// jsobjtests.cpp - Tests for jsobj.{h,cpp} code
//

/**
 *    Copyright (C) 2008 10gen Inc.
 *
 *    This program is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the GNU Affero General Public License in all respects
 *    for all of the code used other than as permitted herein. If you modify
 *    file(s) with this exception, you may extend this exception to your
 *    version of the file(s), but you are not obligated to do so. If you do not
 *    wish to do so, delete this exception statement from your version. If you
 *    delete this exception statement from all source files in the program,
 *    then also delete it in the license file.
 */

#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault

#define MONGO_PCH_WHITELISTED
#include "mongo/platform/basic.h"
#include "mongo/pch.h"
#undef MONGO_PCH_WHITELISTED

#include <iostream>

#include "mongo/bson/util/builder.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/json.h"
#include "mongo/db/storage/mmap_v1/btree/key.h"
#include "mongo/dbtests/dbtests.h"
#include "mongo/platform/float_utils.h"
#include "mongo/util/allocator.h"
#include "mongo/util/embedded_builder.h"
#include "mongo/util/log.h"
#include "mongo/util/stringutils.h"

namespace mongo {
    typedef std::map<std::string, BSONElement> BSONMap;
    BSONMap bson2map(const BSONObj& obj) {
        BSONMap m;
        BSONObjIterator it(obj);
        while (it.more()) {
            BSONElement e = it.next();
            m[e.fieldName()] = e;
        }
        return m;
    }

    void dotted2nested(BSONObjBuilder& b, const BSONObj& obj) {
        //use map to sort fields
        BSONMap sorted = bson2map(obj);
        EmbeddedBuilder eb(&b);
        for(BSONMap::const_iterator it=sorted.begin(); it!=sorted.end(); ++it) {
            eb.appendAs(it->second, it->first);
        }
        eb.done();
    }

    // {a.b:1} -> {a: {b:1}}
    BSONObj dotted2nested(const BSONObj& obj) {
        BSONObjBuilder b;
        dotted2nested(b, obj);
        return b.obj();
    }


    // {a: {b:1}} -> {a.b:1}
    void nested2dotted(BSONObjBuilder& b, const BSONObj& obj, const string& base="") {
        BSONObjIterator it(obj);
        while (it.more()) {
            BSONElement e = it.next();
            if (e.type() == Object) {
                string newbase = base + e.fieldName() + ".";
                nested2dotted(b, e.embeddedObject(), newbase);
            }
            else {
                string newbase = base + e.fieldName();
                b.appendAs(e, newbase);
            }
        }
    }

    BSONObj nested2dotted(const BSONObj& obj) {
        BSONObjBuilder b;
        nested2dotted(b, obj);
        return b.obj();
    }

    FieldCompareResult compareDottedFieldNames( const string& l , const string& r ,
                                               const LexNumCmp& cmp ) {
        static int maxLoops = 1024 * 1024;

        size_t lstart = 0;
        size_t rstart = 0;

        for ( int i=0; i<maxLoops; i++ ) {

            size_t a = l.find( '.' , lstart );
            size_t b = r.find( '.' , rstart );

            size_t lend = a == string::npos ? l.size() : a;
            size_t rend = b == string::npos ? r.size() : b;

            const string& c = l.substr( lstart , lend - lstart );
            const string& d = r.substr( rstart , rend - rstart );

            int x = cmp.cmp( c.c_str(), d.c_str() );

            if ( x < 0 )
                return LEFT_BEFORE;
            if ( x > 0 )
                return RIGHT_BEFORE;

            lstart = lend + 1;
            rstart = rend + 1;

            if ( lstart >= l.size() ) {
                if ( rstart >= r.size() )
                    return SAME;
                return RIGHT_SUBFIELD;
            }
            if ( rstart >= r.size() )
                return LEFT_SUBFIELD;
        }

        log() << "compareDottedFieldNames ERROR  l: " << l << " r: " << r << "  TOO MANY LOOPS" << endl;
        verify(0);
        return SAME; // will never get here
    }


}

namespace JsobjTests {

    void keyTest(const BSONObj& o, bool mustBeCompact = false) {
        static KeyV1Owned *kLast;
        static BSONObj last;

        KeyV1Owned *key = new KeyV1Owned(o);
        KeyV1Owned& k = *key;

        ASSERT( !mustBeCompact || k.isCompactFormat() );

        BSONObj x = k.toBson();
        int res = o.woCompare(x, BSONObj(), /*considerfieldname*/false);
        if( res ) {
            cout << o.toString() << endl;
            k.toBson();
            cout << x.toString() << endl;
            o.woCompare(x, BSONObj(), /*considerfieldname*/false);
            ASSERT( res == 0 );
        }
        ASSERT( k.woEqual(k) );
        ASSERT( !k.isCompactFormat() || k.dataSize() < o.objsize() );

        {
            // check BSONObj::equal.  this part not a KeyV1 test.
            int res = o.woCompare(last);
            ASSERT( (res==0) == o.equal(last) );
        }

        if( kLast ) {
            int r1 = o.woCompare(last, BSONObj(), false);
            int r2 = k.woCompare(*kLast, Ordering::make(BSONObj()));
            bool ok = (r1<0 && r2<0) || (r1>0&&r2>0) || r1==r2;
            if( !ok ) { 
                cout << "r1r2 " << r1 << ' ' << r2 << endl;
                cout << "o:" << o.toString() << endl;
                cout << "last:" << last.toString() << endl;
                cout << "k:" << k.toString() << endl;
                cout << "kLast:" << kLast->toString() << endl;
                int r3 = k.woCompare(*kLast, Ordering::make(BSONObj()));
                cout << r3 << endl;
            }
            ASSERT(ok);
            if( k.isCompactFormat() && kLast->isCompactFormat() ) { // only check if not bson as bson woEqual is broken! (or was may2011)
                if( k.woEqual(*kLast) != (r2 == 0) ) { // check woEqual matches
                    cout << r2 << endl;
                    cout << k.toString() << endl;
                    cout << kLast->toString() << endl;
                    k.woEqual(*kLast);
                    ASSERT(false);
                }
            }
        }

        delete kLast;
        kLast = key;
        last = o.getOwned();
    }

    class BufBuilderBasic {
    public:
        void run() {
            {
                BufBuilder b( 0 );
                b.appendStr( "foo" );
                ASSERT_EQUALS( 4, b.len() );
                ASSERT( strcmp( "foo", b.buf() ) == 0 );
            }
            {
                mongo::StackBufBuilder b;
                b.appendStr( "foo" );
                ASSERT_EQUALS( 4, b.len() );
                ASSERT( strcmp( "foo", b.buf() ) == 0 );
            }
        }
    };

    class BufBuilderReallocLimit {
    public:
        void run() {
            BufBuilder b;
            unsigned int written = 0;
            try {
                for (; written <= 64 * 1024 * 1024 + 1; ++written)
                    // (re)alloc past the buffer 64mb limit
                    b.appendStr("a");
            }
            catch (const AssertionException&) { }
            // assert half of max buffer size was allocated before exception is thrown
            ASSERT(written == mongo::BufferMaxSize / 2);
        }
    };

    class BSONElementBasic {
    public:
        void run() {
            ASSERT_EQUALS( 1, BSONElement().size() );

            BSONObj x;
            ASSERT_EQUALS( 1, x.firstElement().size() );
        }
    };

    namespace BSONObjTests {
        class Create {
        public:
            void run() {
                BSONObj b;
                ASSERT_EQUALS( 0, b.nFields() );
            }
        };

        class Base {
        protected:
            static BSONObj basic( const char *name, int val ) {
                BSONObjBuilder b;
                b.append( name, val );
                return b.obj();
            }
            static BSONObj basic( const char *name, vector< int > val ) {
                BSONObjBuilder b;
                b.append( name, val );
                return b.obj();
            }
            template< class T >
            static BSONObj basic( const char *name, T val ) {
                BSONObjBuilder b;
                b.append( name, val );
                return b.obj();
            }
        };

        class WoCompareBasic : public Base {
        public:
            void run() {
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 1 ) ) == 0 );
                ASSERT( basic( "a", 2 ).woCompare( basic( "a", 1 ) ) > 0 );
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 2 ) ) < 0 );
                // field name comparison
                ASSERT( basic( "a", 1 ).woCompare( basic( "b", 1 ) ) < 0 );
            }
        };

        class IsPrefixOf : public Base {
        public:
            void run() {
                {
                    BSONObj k = BSON( "x" << 1 );
                    verify( ! k.isPrefixOf( BSON( "a" << 1 ) ) );
                    verify( k.isPrefixOf( BSON( "x" << 1 ) ) );
                        verify( k.isPrefixOf( BSON( "x" << 1 << "a" << 1 ) ) );
                        verify( ! k.isPrefixOf( BSON( "a" << 1 << "x" << 1 ) ) );
                }
                {
                    BSONObj k = BSON( "x" << 1 << "y" << 1 );
                    verify( ! k.isPrefixOf( BSON( "x" << 1 ) ) );
                    verify( ! k.isPrefixOf( BSON( "x" << 1 << "z" << 1 ) ) );
                    verify( k.isPrefixOf( BSON( "x" << 1 << "y" << 1 ) ) );
                    verify( k.isPrefixOf( BSON( "x" << 1 << "y" << 1 << "z" << 1 ) ) );
                }
                {
                    BSONObj k = BSON( "x" << 1 );
                    verify( ! k.isPrefixOf( BSON( "x" << "hi" ) ) );
                    verify( k.isPrefixOf( BSON( "x" << 1 << "a" << "hi" ) ) );
                }
                {
                    BSONObj k = BSON( "x" << 1 );
                    verify( k.isFieldNamePrefixOf( BSON( "x" << "hi" ) ) );
                    verify( ! k.isFieldNamePrefixOf( BSON( "a" << 1  ) ) );
                }
            }
        };

        class NumericCompareBasic : public Base {
        public:
            void run() {
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 1.0 ) ) == 0 );
            }
        };

        class WoCompareEmbeddedObject : public Base {
        public:
            void run() {
                ASSERT( basic( "a", basic( "b", 1 ) ).woCompare
                        ( basic( "a", basic( "b", 1.0 ) ) ) == 0 );
                ASSERT( basic( "a", basic( "b", 1 ) ).woCompare
                        ( basic( "a", basic( "b", 2 ) ) ) < 0 );
            }
        };

        class WoCompareEmbeddedArray : public Base {
        public:
            void run() {
                vector< int > i;
                i.push_back( 1 );
                i.push_back( 2 );
                vector< double > d;
                d.push_back( 1 );
                d.push_back( 2 );
                ASSERT( basic( "a", i ).woCompare( basic( "a", d ) ) == 0 );

                vector< int > j;
                j.push_back( 1 );
                j.push_back( 3 );
                ASSERT( basic( "a", i ).woCompare( basic( "a", j ) ) < 0 );
            }
        };

        class WoCompareOrdered : public Base {
        public:
            void run() {
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 1 ), basic( "a", 1 ) ) == 0 );
                ASSERT( basic( "a", 2 ).woCompare( basic( "a", 1 ), basic( "a", 1 ) ) > 0 );
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 2 ), basic( "a", 1 ) ) < 0 );
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 1 ), basic( "a", -1 ) ) == 0 );
                ASSERT( basic( "a", 2 ).woCompare( basic( "a", 1 ), basic( "a", -1 ) ) < 0 );
                ASSERT( basic( "a", 1 ).woCompare( basic( "a", 2 ), basic( "a", -1 ) ) > 0 );
            }
        };

        class WoCompareDifferentLength : public Base {
        public:
            void run() {
                ASSERT( BSON( "a" << 1 ).woCompare( BSON( "a" << 1 << "b" << 1 ) ) < 0 );
                ASSERT( BSON( "a" << 1 << "b" << 1 ).woCompare( BSON( "a" << 1 ) ) > 0 );
            }
        };

        class WoSortOrder : public Base {
        public:
            void run() {
                ASSERT( BSON( "a" << 1 ).woSortOrder( BSON( "a" << 2 ), BSON( "b" << 1 << "a" << 1 ) ) < 0 );
                ASSERT( fromjson( "{a:null}" ).woSortOrder( BSON( "b" << 1 ), BSON( "a" << 1 ) ) == 0 );
            }
        };

        class MultiKeySortOrder : public Base {
        public:
            void run() {
                ASSERT( BSON( "x" << "a" ).woCompare( BSON( "x" << "b" ) ) < 0 );
                ASSERT( BSON( "x" << "b" ).woCompare( BSON( "x" << "a" ) ) > 0 );

                ASSERT( BSON( "x" << "a" << "y" << "a" ).woCompare( BSON( "x" << "a" << "y" << "b" ) ) < 0 );
                ASSERT( BSON( "x" << "a" << "y" << "a" ).woCompare( BSON( "x" << "b" << "y" << "a" ) ) < 0 );
                ASSERT( BSON( "x" << "a" << "y" << "a" ).woCompare( BSON( "x" << "b" ) ) < 0 );

                ASSERT( BSON( "x" << "c" ).woCompare( BSON( "x" << "b" << "y" << "h" ) ) > 0 );
                ASSERT( BSON( "x" << "b" << "y" << "b" ).woCompare( BSON( "x" << "c" ) ) < 0 );

                BSONObj key = BSON( "x" << 1 << "y" << 1 );

                ASSERT( BSON( "x" << "c" ).woSortOrder( BSON( "x" << "b" << "y" << "h" ) , key ) > 0 );
                ASSERT( BSON( "x" << "b" << "y" << "b" ).woCompare( BSON( "x" << "c" ) , key ) < 0 );

                key = BSON( "" << 1 << "" << 1 );

                ASSERT( BSON( "" << "c" ).woSortOrder( BSON( "" << "b" << "" << "h" ) , key ) > 0 );
                ASSERT( BSON( "" << "b" << "" << "b" ).woCompare( BSON( "" << "c" ) , key ) < 0 );

                {
                    // test a big key
                    string x(2000, 'z');
                    BSONObj o = BSON( "q" << x );
                    keyTest(o, false);
                }
                {
                    string y(200, 'w');                 
                    BSONObjBuilder b;
                    for( int i = 0; i < 10; i++ ) {
                        b.append("x", y);
                    }
                    keyTest(b.obj(), true);
                }
                {
                    double nan = numeric_limits<double>::quiet_NaN();
                    BSONObj o = BSON( "y" << nan );
                    keyTest(o);
                }

                {
                    BSONObjBuilder b;
                    b.append( "" , "c" );
                    b.appendNull( "" );
                    BSONObj o = b.obj();
                    keyTest(o);
                    ASSERT( o.woSortOrder( BSON( "" << "b" << "" << "h" ) , key ) > 0 );
                    ASSERT( BSON( "" << "b" << "" << "h" ).woSortOrder( o , key ) < 0 );

                }

                ASSERT( BSON( "" << "a" ).woCompare( BSON( "" << "a" << "" << "c" ) ) < 0 );
                {
                    BSONObjBuilder b;
                    b.append( "" , "a" );
                    b.appendNull( "" );
                    ASSERT(  b.obj().woCompare( BSON( "" << "a" << "" << "c" ) ) < 0 ); // SERVER-282
                }

            }
        };

        class Nan : public Base {
        public:
            void run() {
                double inf = numeric_limits< double >::infinity();
                double nan = numeric_limits< double >::quiet_NaN();
                double nan2 = numeric_limits< double >::signaling_NaN();
                ASSERT( isNaN(nan) );
                ASSERT( isNaN(nan2) );
                ASSERT( !isNaN(inf) );

                ASSERT( BSON( "a" << inf ).woCompare( BSON( "a" << inf ) ) == 0 );
                ASSERT( BSON( "a" << inf ).woCompare( BSON( "a" << 1 ) ) > 0 );
                ASSERT( BSON( "a" << 1 ).woCompare( BSON( "a" << inf ) ) < 0 );

                ASSERT( BSON( "a" << nan ).woCompare( BSON( "a" << nan ) ) == 0 );
                ASSERT( BSON( "a" << nan ).woCompare( BSON( "a" << 1 ) ) < 0 );

                ASSERT( BSON( "a" << nan ).woCompare( BSON( "a" << 5000000000LL ) ) < 0 );

                {
                    KeyV1Owned a( BSON( "a" << nan ) );
                    KeyV1Owned b( BSON( "a" << 1 ) );
                    Ordering o = Ordering::make(BSON("a"<<1));
                    ASSERT( a.woCompare(b, o) < 0 );
                }

                ASSERT( BSON( "a" << 1 ).woCompare( BSON( "a" << nan ) ) > 0 );

                ASSERT( BSON( "a" << nan2 ).woCompare( BSON( "a" << nan2 ) ) == 0 );
                ASSERT( BSON( "a" << nan2 ).woCompare( BSON( "a" << 1 ) ) < 0 );
                ASSERT( BSON( "a" << 1 ).woCompare( BSON( "a" << nan2 ) ) > 0 );

                ASSERT( BSON( "a" << inf ).woCompare( BSON( "a" << nan ) ) > 0 );
                ASSERT( BSON( "a" << inf ).woCompare( BSON( "a" << nan2 ) ) > 0 );
                ASSERT( BSON( "a" << nan ).woCompare( BSON( "a" << nan2 ) ) == 0 );
            }
        };

        class AsTempObj {
        public:
            void run() {
                {
                    BSONObjBuilder bb;
                    bb << "a" << 1;
                    BSONObj tmp = bb.asTempObj();
                    ASSERT(tmp.objsize() == 4+(1+2+4)+1);
                    ASSERT(tmp.valid());
                    ASSERT(tmp.hasField("a"));
                    ASSERT(!tmp.hasField("b"));
                    ASSERT(tmp == BSON("a" << 1));

                    bb << "b" << 2;
                    BSONObj obj = bb.obj();
                    ASSERT_EQUALS(obj.objsize() , 4+(1+2+4)+(1+2+4)+1);
                    ASSERT(obj.valid());
                    ASSERT(obj.hasField("a"));
                    ASSERT(obj.hasField("b"));
                    ASSERT(obj == BSON("a" << 1 << "b" << 2));
                }
                {
                    BSONObjBuilder bb;
                    bb << "a" << GT << 1;
                    BSONObj tmp = bb.asTempObj();
                    ASSERT(tmp.objsize() == 4+(1+2+(4+1+4+4+1))+1);
                    ASSERT(tmp.valid());
                    ASSERT(tmp.hasField("a"));
                    ASSERT(!tmp.hasField("b"));
                    ASSERT(tmp == BSON("a" << BSON("$gt" << 1)));

                    bb << "b" << LT << 2;
                    BSONObj obj = bb.obj();
                    ASSERT(obj.objsize() == 4+(1+2+(4+1+4+4+1))+(1+2+(4+1+4+4+1))+1);
                    ASSERT(obj.valid());
                    ASSERT(obj.hasField("a"));
                    ASSERT(obj.hasField("b"));
                    ASSERT(obj == BSON("a" << BSON("$gt" << 1)
                                       << "b" << BSON("$lt" << 2)));
                }
                {
                    BSONObjBuilder bb(32);
                    bb << "a" << 1;
                    BSONObj tmp = bb.asTempObj();
                    ASSERT(tmp.objsize() == 4+(1+2+4)+1);
                    ASSERT(tmp.valid());
                    ASSERT(tmp.hasField("a"));
                    ASSERT(!tmp.hasField("b"));
                    ASSERT(tmp == BSON("a" << 1));

                    //force a realloc
                    BSONArrayBuilder arr;
                    for (int i=0; i < 10000; i++) {
                        arr << i;
                    }
                    bb << "b" << arr.arr();
                    BSONObj obj = bb.obj();
                    ASSERT(obj.valid());
                    ASSERT(obj.hasField("a"));
                    ASSERT(obj.hasField("b"));
                }
            }
        };

        struct AppendIntOrLL {
            void run() {
                const long long billion = 1000*1000*1000;

                long long n = 0x3333111122224444LL;
                {
                    double d = (double) n;
                    BSONObj a = BSON( "x" << n );
                    BSONObj b = BSON( "x" << d );

                    long long back = (long long) d;
//3719
//////                    int res = a.woCompare(b);

                    ASSERT( n > back );
                    //ASSERT( res > 0 );  // SERVER-3719

                    keyTest(a, false);

                    KeyV1Owned A(a);
                    KeyV1Owned B(b);
//3719
//////                    int res2 =  A.woCompare(B, Ordering::make(BSONObj()));
                    // ASSERT( res2 > 0 ); // SERVER-3719

                    // fixing requires an index v# change.

                    cout << "todo fix SERVER-3719 and uncomment test in AppendIntOrLL" << endl;

                    n++;
                }

                {
                    BSONObjBuilder b;
                    b.appendIntOrLL("L4", -4*billion);
                    keyTest(b.obj());
                    keyTest( BSON("" << billion) );
                }

                BSONObjBuilder b;
                b.appendIntOrLL("i1",  1);
                b.appendIntOrLL("i2", -1);
                b.appendIntOrLL("i3",  1*billion);
                b.appendIntOrLL("i4", -1*billion);

                b.appendIntOrLL("L1",  2*billion);
                b.appendIntOrLL("L2", -2*billion);
                b.appendIntOrLL("L3",  4*billion);
                b.appendIntOrLL("L4", -4*billion);
                b.appendIntOrLL("L5",  16*billion);
                b.appendIntOrLL("L6", -16*billion);

                BSONObj o = b.obj();
                keyTest(o);

                ASSERT(o["i1"].type() == NumberInt);
                ASSERT(o["i1"].number() == 1);
                ASSERT(o["i2"].type() == NumberInt);
                ASSERT(o["i2"].number() == -1);
                ASSERT(o["i3"].type() == NumberInt);
                ASSERT(o["i3"].number() == 1*billion);
                ASSERT(o["i4"].type() == NumberInt);
                ASSERT(o["i4"].number() == -1*billion);

                ASSERT(o["L1"].isNumber());
                ASSERT(o["L1"].number() == 2*billion);
                ASSERT(o["L2"].isNumber());
                ASSERT(o["L2"].number() == -2*billion);
                ASSERT(o["L3"].type() == NumberLong);
                ASSERT(o["L3"].number() == 4*billion);
                ASSERT(o["L4"].type() == NumberLong);
                ASSERT(o["L4"].number() == -4*billion);
                ASSERT(o["L5"].type() == NumberLong);
                ASSERT(o["L5"].number() == 16*billion);
                ASSERT(o["L6"].type() == NumberLong);
                ASSERT(o["L6"].number() == -16*billion);
            }
        };

        struct AppendNumber {
            void run() {
                BSONObjBuilder b;
                b.appendNumber( "a" , 5 );
                b.appendNumber( "b" , 5.5 );
                b.appendNumber( "c" , (1024LL*1024*1024)-1 );
                b.appendNumber( "d" , (1024LL*1024*1024*1024)-1 );
                b.appendNumber( "e" , 1024LL*1024*1024*1024*1024*1024 );

                BSONObj o = b.obj();
                keyTest(o);

                ASSERT( o["a"].type() == NumberInt );
                ASSERT( o["b"].type() == NumberDouble );
                ASSERT( o["c"].type() == NumberInt );
                ASSERT( o["d"].type() == NumberDouble );
                ASSERT( o["e"].type() == NumberLong );

            }
        };

        class ToStringArray {
        public:
            void run() {
                string spec = "{ a: [ \"a\", \"b\" ] }";
                ASSERT_EQUALS( spec, fromjson( spec ).toString() );

                BSONObj x = BSON( "a" << "astring" << "b" << "str" );
                keyTest(x);
                keyTest(x);
                BSONObj y = BSON( "a" << "astring" << "b" << "stra" );
                keyTest(y);
                y = BSON( "a" << "" );
                keyTest(y);

                keyTest( BSON("abc" << true ) );
                keyTest( BSON("abc" << false ) );
                keyTest( BSON("abc" << false << "b" << true ) );

                Date_t now = jsTime();
                keyTest( BSON("" << now << "" << 3 << "" << jstNULL << "" << true) );
                keyTest( BSON("" << now << "" << 3 << "" << BSONObj() << "" << true) );

                {
                    {
                        // check signed dates with new key format
                        KeyV1Owned a( BSONObjBuilder().appendDate("", -50).obj() );
                        KeyV1Owned b( BSONObjBuilder().appendDate("", 50).obj() );
                        ASSERT( a.woCompare(b, Ordering::make(BSONObj())) < 0 );
                    }
                    {
                        // backward compatibility
                        KeyBson a( BSONObjBuilder().appendDate("", -50).obj() );
                        KeyBson b( BSONObjBuilder().appendDate("", 50).obj() );
                        ASSERT( a.woCompare(b, Ordering::make(BSONObj())) > 0 );
                    }
                    {
                        // this is an uncompactable key:
                        BSONObj uc1 = BSONObjBuilder().appendDate("", -50).appendCode("", "abc").obj();
                        BSONObj uc2 = BSONObjBuilder().appendDate("", 55).appendCode("", "abc").obj();
                        ASSERT( uc1.woCompare(uc2, Ordering::make(BSONObj())) < 0 );
                        {
                            KeyV1Owned a(uc1);
                            KeyV1Owned b(uc2);
                            ASSERT( !a.isCompactFormat() );
                            ASSERT( a.woCompare(b, Ordering::make(BSONObj())) < 0 );
                        }
                        {
                            KeyBson a(uc1);
                            KeyBson b(uc2);
                            ASSERT( !a.isCompactFormat() );
                            ASSERT( a.woCompare(b, Ordering::make(BSONObj())) > 0 );
                        }
                    }
                }

                {
                    BSONObjBuilder b;
                    b.appendBinData("f", 8, (BinDataType) 1, "aaaabbbb");
                    b.appendBinData("e", 3, (BinDataType) 1, "aaa");
                    b.appendBinData("b", 1, (BinDataType) 1, "x");
                    BSONObj o = b.obj();
                    keyTest( o, true );
                }

                {
                    // check (non)equality
                    BSONObj a = BSONObjBuilder().appendBinData("", 8, (BinDataType) 1, "abcdefgh").obj();
                    BSONObj b = BSONObjBuilder().appendBinData("", 8, (BinDataType) 1, "abcdefgj").obj();
                    ASSERT( !a.equal(b) );
                    int res_ab = a.woCompare(b);
                    ASSERT( res_ab != 0 );
                    keyTest( a, true );
                    keyTest( b, true );

                    // check subtypes do not equal
                    BSONObj c = BSONObjBuilder().appendBinData("", 8, (BinDataType) 4, "abcdefgh").obj();
                    BSONObj d = BSONObjBuilder().appendBinData("", 8, (BinDataType) 0x81, "abcdefgh").obj();
                    ASSERT( !a.equal(c) );
                    int res_ac = a.woCompare(c);
                    ASSERT( res_ac != 0 );
                    keyTest( c, true );
                    ASSERT( !a.equal(d) );
                    int res_ad = a.woCompare(d);
                    ASSERT( res_ad != 0 );
                    keyTest( d, true );

                    KeyV1Owned A(a);
                    KeyV1Owned B(b);
                    KeyV1Owned C(c);
                    KeyV1Owned D(d);
                    ASSERT( !A.woEqual(B) );
                    ASSERT( A.woCompare(B, Ordering::make(BSONObj())) < 0 && res_ab < 0 );
                    ASSERT( !A.woEqual(C) );
                    ASSERT( A.woCompare(C, Ordering::make(BSONObj())) < 0 && res_ac < 0 );
                    ASSERT( !A.woEqual(D) );
                    ASSERT( A.woCompare(D, Ordering::make(BSONObj())) < 0 && res_ad < 0 );
                }

                {
                    BSONObjBuilder b;
                    b.appendBinData("f", 33, (BinDataType) 1, "123456789012345678901234567890123");
                    BSONObj o = b.obj();
                    keyTest( o, false );
                }

                {
                    for( int i = 1; i <= 3; i++ ) {
                        for( int j = 1; j <= 3; j++ ) {
                            BSONObjBuilder b;
                            b.appendBinData("f", i, (BinDataType) j, "abc");
                            BSONObj o = b.obj();
                            keyTest( o, j != ByteArrayDeprecated );
                        }
                    }
                }

                {
                    BSONObjBuilder b;
                    b.appendBinData("f", 1, (BinDataType) 133, "a");
                    BSONObj o = b.obj();
                    keyTest( o, true );
                }

                {
                    BSONObjBuilder b;
                    b.append("AA", 3);
                    b.appendBinData("f", 0, (BinDataType) 0, "");
                    b.appendBinData("e", 3, (BinDataType) 7, "aaa");
                    b.appendBinData("b", 1, (BinDataType) 128, "x");
                    b.append("z", 3);
                    b.appendBinData("bb", 0, (BinDataType) 129, "x");
                    BSONObj o = b.obj();
                    keyTest( o, true );
                }

                {
                    // 9 is not supported in compact format. so test a non-compact case here.
                    BSONObjBuilder b;
                    b.appendBinData("f", 9, (BinDataType) 0, "aaaabbbbc");
                    BSONObj o = b.obj();
                    keyTest( o );
                }
          }
        };

        class ToStringNumber {
        public:

            void run() {
                BSONObjBuilder b;
                b.append( "a" , (int)4 );
                b.append( "b" , (double)5 );
                b.append( "c" , (long long)6 );

                b.append( "d" , 123.456789123456789123456789123456789 );
                b.append( "e" , 123456789.123456789123456789123456789 );
                b.append( "f" , 1234567891234567891234.56789123456789 );

                b.append( "g" , -123.456 );

                b.append( "h" , 0.0 );
                b.append( "i" , -0.0 );

                BSONObj x = b.obj();
                keyTest(x);

                ASSERT_EQUALS( "4", x["a"].toString( false , true ) );
                ASSERT_EQUALS( "5.0", x["b"].toString( false , true ) );
                ASSERT_EQUALS( "6", x["c"].toString( false , true ) );

                ASSERT_EQUALS( "123.4567891234568" , x["d"].toString( false , true ) );
                ASSERT_EQUALS( "123456789.1234568" , x["e"].toString( false , true ) );
                // ASSERT_EQUALS( "1.234567891234568e+21" , x["f"].toString( false , true ) ); // windows and *nix are different - TODO, work around for test or not bother?

                ASSERT_EQUALS( "-123.456" , x["g"].toString( false , true ) );

                ASSERT_EQUALS( "0.0" , x["h"].toString( false , true ) );
                ASSERT_EQUALS( "-0.0" , x["i"].toString( false , true ) );
            }
        };

        class NullString {
        public:
            void run() {
                {
                    BSONObjBuilder b;
                    const char x[] = {'a', 0, 'b', 0};
                    b.append("field", x, 4);
                    b.append("z", true);
                    BSONObj B = b.obj();
                    //cout << B.toString() << endl;

                    BSONObjBuilder a;
                    const char xx[] = {'a', 0, 'c', 0};
                    a.append("field", xx, 4);
                    a.append("z", true);
                    BSONObj A = a.obj();

                    BSONObjBuilder c;
                    const char xxx[] = {'a', 0, 'c', 0, 0};
                    c.append("field", xxx, 5);
                    c.append("z", true);
                    BSONObj C = c.obj();

                    // test that nulls are ok within bson strings
                    ASSERT( !(A == B) );
                    ASSERT( A > B );

                    ASSERT( !(B == C) );
                    ASSERT( C > B );

                    // check iteration is ok
                    ASSERT( B["z"].Bool() && A["z"].Bool() && C["z"].Bool() );
                }

                BSONObjBuilder b;
                b.append("a", "a\0b", 4);
                string z("a\0b", 3);
                b.append("b", z);
                b.appendAs(b.asTempObj()["a"], "c");
                BSONObj o = b.obj();
                keyTest(o);

                stringstream ss;
                ss << 'a' << '\0' << 'b';

                ASSERT_EQUALS(o["a"].valuestrsize(), 3+1);
                ASSERT_EQUALS(o["a"].str(), ss.str());

                ASSERT_EQUALS(o["b"].valuestrsize(), 3+1);
                ASSERT_EQUALS(o["b"].str(), ss.str());

                ASSERT_EQUALS(o["c"].valuestrsize(), 3+1);
                ASSERT_EQUALS(o["c"].str(), ss.str());

            }

        };

        class AppendAs {
        public:
            void run() {
                BSONObjBuilder b;
                {
                    BSONObj foo = BSON( "foo" << 1 );
                    b.appendAs( foo.firstElement(), "bar" );
                }
                ASSERT_EQUALS( BSON( "bar" << 1 ), b.done() );
            }
        };

        class GetField {
        public:
            void run(){
                BSONObj o = BSON( "a" << 1 <<
                                  "b" << BSON( "a" << 2 ) <<
                                  "c" << BSON_ARRAY( BSON( "a" << 3 ) << BSON( "a" << 4 ) ) );
                ASSERT_EQUALS( 1 , o.getFieldDotted( "a" ).numberInt() );
                ASSERT_EQUALS( 2 , o.getFieldDotted( "b.a" ).numberInt() );
                ASSERT_EQUALS( 3 , o.getFieldDotted( "c.0.a" ).numberInt() );
                ASSERT_EQUALS( 4 , o.getFieldDotted( "c.1.a" ).numberInt() );
                ASSERT( o.getFieldDotted( "x" ).eoo() );
                ASSERT( o.getFieldDotted( "a.x" ).eoo() );
                ASSERT( o.getFieldDotted( "x.y" ).eoo() );
                ASSERT( o.getFieldDotted( "" ).eoo() );
                ASSERT( o.getFieldDotted( "." ).eoo() );
                ASSERT( o.getFieldDotted( ".." ).eoo() );
                ASSERT( o.getFieldDotted( "..." ).eoo() );
                ASSERT( o.getFieldDotted( "a." ).eoo() );
                ASSERT( o.getFieldDotted( ".a" ).eoo() );
                ASSERT( o.getFieldDotted( "b.a." ).eoo() );
                keyTest(o);
            }
        };

        class ToStringRecursionDepth {
        public:
            // create a nested BSON object with the specified recursion depth
            BSONObj recursiveBSON( int depth )  {
                BSONObjBuilder b;
                if ( depth==0 ) {
                    b << "name" << "Joe";
                    return b.obj();
                }
                b.append( "test", recursiveBSON( depth - 1) );
                return b.obj();
            }

            void run() {
                BSONObj nestedBSON;
                StringBuilder s;
                string nestedBSONString;
                size_t found;

                // recursion depth one less than max allowed-- do not shorten the string
                nestedBSON = recursiveBSON( BSONObj::maxToStringRecursionDepth - 1  );
                nestedBSON.toString( s, true, false );
                nestedBSONString = s.str();
                found = nestedBSONString.find( "..." );
                // did not find the "..." pattern
                ASSERT_EQUALS( found!=string::npos, false );

                // recursion depth is equal to max allowed  -- do not shorten the string
                nestedBSON = recursiveBSON( BSONObj::maxToStringRecursionDepth );
                nestedBSON.toString( s, true, false );
                nestedBSONString = s.str();
                found = nestedBSONString.find( "..." );
                // did not find the "..." pattern
                ASSERT_EQUALS( found!=string::npos, false );

                // recursion depth - one greater than max allowed -- shorten the string
                nestedBSON = recursiveBSON( BSONObj::maxToStringRecursionDepth + 1 );
                nestedBSON.toString( s, false, false );
                nestedBSONString = s.str();
                found = nestedBSONString.find( "..." );
                // found the "..." pattern
                ASSERT_EQUALS( found!=string::npos, true );

                /* recursion depth - one greater than max allowed but with full=true
                 * should fail with an assertion
                 */
                nestedBSON = recursiveBSON( BSONObj::maxToStringRecursionDepth + 1 );
                ASSERT_THROWS( nestedBSON.toString( s, false, true ) , UserException );
            }
        };

        class StringWithNull {
        public:
            void run() {
                const string input = string("a") + '\0' + 'b';
                ASSERT_EQUALS(input.size(), 3U);

                BSONObj obj = BSON("str" << input);
                const string output = obj.firstElement().String();
                ASSERT_EQUALS(escape(output), escape(input)); // for better failure output
                ASSERT_EQUALS(output, input);
            }
        };

        namespace Validation {

            class Base {
            public:
                virtual ~Base() {}
                void run() {
                    ASSERT( valid().valid() );
                    ASSERT( !invalid().valid() );
                }
            protected:
                virtual BSONObj valid() const { return BSONObj(); }
                virtual BSONObj invalid() const { return BSONObj(); }
                static char get( const BSONObj &o, int i ) {
                    return o.objdata()[ i ];
                }
                static void set( BSONObj &o, int i, char c ) {
                    const_cast< char * >( o.objdata() )[ i ] = c;
                }
            };

            class BadType : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":1}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, 4, 50 );
                    return ret;
                }
            };

            class EooBeforeEnd : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":1}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    // (first byte of size)++
                    set( ret, 0, get( ret, 0 ) + 1 );
                    // re-read size for BSONObj::details
                    return ret.copy();
                }
            };

            class Undefined : public Base {
            public:
                void run() {
                    BSONObjBuilder b;
                    b.appendNull( "a" );
                    BSONObj o = b.done();
                    set( o, 4, mongo::Undefined );
                    ASSERT( o.valid() );
                }
            };

            class TotalSizeTooSmall : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":1}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    // (first byte of size)--
                    set( ret, 0, get( ret, 0 ) - 1 );
                    // re-read size for BSONObj::details
                    return ret.copy();
                }
            };

            class EooMissing : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":1}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, ret.objsize() - 1, (char) 0xff );
                    // (first byte of size)--
                    set( ret, 0, get( ret, 0 ) - 1 );
                    // re-read size for BSONObj::details
                    return ret.copy();
                }
            };

            class WrongStringSize : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":\"b\"}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    ASSERT_EQUALS( ret.firstElement().valuestr()[0] , 'b' );
                    ASSERT_EQUALS( ret.firstElement().valuestr()[1] , 0 );
                    ((char*)ret.firstElement().valuestr())[1] = 1;
                    return ret.copy();
                }
            };

            class ZeroStringSize : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":\"b\"}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, 7, 0 );
                    return ret;
                }
            };

            class NegativeStringSize : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":\"b\"}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, 10, -100 );
                    return ret;
                }
            };

            class WrongSubobjectSize : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":{\"b\":1}}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, 0, get( ret, 0 ) + 1 );
                    set( ret, 7, get( ret, 7 ) + 1 );
                    return ret.copy();
                }
            };

            class WrongDbrefNsSize : public Base {
                BSONObj valid() const {
                    return fromjson( "{ \"a\": Dbref( \"b\", \"ffffffffffffffffffffffff\" ) }" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    set( ret, 0, get( ret, 0 ) + 1 );
                    set( ret, 7, get( ret, 7 ) + 1 );
                    return ret.copy();
                };
            };

            class NoFieldNameEnd : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":1}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    memset( const_cast< char * >( ret.objdata() ) + 5, 0xff, ret.objsize() - 5 );
                    return ret;
                }
            };

            class BadRegex : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":/c/i}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    memset( const_cast< char * >( ret.objdata() ) + 7, 0xff, ret.objsize() - 7 );
                    return ret;
                }
            };

            class BadRegexOptions : public Base {
                BSONObj valid() const {
                    return fromjson( "{\"a\":/c/i}" );
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    memset( const_cast< char * >( ret.objdata() ) + 9, 0xff, ret.objsize() - 9 );
                    return ret;
                }
            };

            class CodeWScopeBase : public Base {
                BSONObj valid() const {
                    BSONObjBuilder b;
                    BSONObjBuilder scope;
                    scope.append( "a", "b" );
                    b.appendCodeWScope( "c", "d", scope.done() );
                    return b.obj();
                }
                BSONObj invalid() const {
                    BSONObj ret = valid();
                    modify( ret );
                    return ret;
                }
            protected:
                virtual void modify( BSONObj &o ) const = 0;
            };

            class CodeWScopeSmallSize : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 7, 7 );
                }
            };

            class CodeWScopeZeroStrSize : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 11, 0 );
                }
            };

            class CodeWScopeSmallStrSize : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 11, 1 );
                }
            };

            class CodeWScopeNoSizeForObj : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 7, 13 );
                }
            };

            class CodeWScopeSmallObjSize : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 17, 1 );
                }
            };

            class CodeWScopeBadObject : public CodeWScopeBase {
                void modify( BSONObj &o ) const {
                    set( o, 21, JSTypeMax + 1 );
                }
            };

            class NoSize {
            public:
                NoSize( BSONType type ) : type_( type ) {}
                void run() {
                    const char data[] = { 0x07, 0x00, 0x00, 0x00, char( type_ ), 'a', 0x00 };
                    BSONObj o( data );
                    ASSERT( !o.valid() );
                }
            private:
                BSONType type_;
            };

        } // namespace Validation

    } // namespace BSONObjTests

    namespace OIDTests {

        class init1 {
        public:
            void run() {
                OID a;
                OID b;

                a.init();
                b.init();

                ASSERT( a != b );
            }
        };

        class initParse1 {
        public:
            void run() {

                OID a;
                OID b;

                a.init();
                b.init( a.toString() );

                ASSERT( a == b );
            }
        };

        class append {
        public:
            void run() {
                BSONObjBuilder b;
                b.appendOID( "a" , 0 );
                b.appendOID( "b" , 0 , false );
                b.appendOID( "c" , 0 , true );
                BSONObj o = b.obj();
                keyTest(o);

                ASSERT( o["a"].__oid().toString() == "000000000000000000000000" );
                ASSERT( o["b"].__oid().toString() == "000000000000000000000000" );
                ASSERT( o["c"].__oid().toString() != "000000000000000000000000" );

            }
        };

        class increasing {
        public:
            BSONObj g() {
                BSONObjBuilder b;
                b.appendOID( "_id" , 0 , true );
                return b.obj();
            }
            void run() {
                BSONObj a = g();
                BSONObj b = g();

                ASSERT( a.woCompare( b ) < 0 );

                // yes, there is a 1/1000 chance this won't increase time(0)
                // and therefore inaccurately say the function is behaving
                // buf if its broken, it will fail 999/1000, so i think that's good enough
                sleepsecs( 1 );
                BSONObj c = g();
                ASSERT( a.woCompare( c ) < 0 );
            }
        };

        class ToDate {
        public:
            void run() {
                OID oid;
                const Date_t base( ::time( 0 ) );
                oid.init( base );

                ASSERT_EQUALS( base.millis / 1000, oid.asDateT().millis / 1000 );
                ASSERT_EQUALS( base.toTimeT(), oid.asTimeT() );
            }
        };

        class FromDate {
        public:
            void run() {
                OID min, oid, max;
                Date_t now = jsTime();
                oid.init(); // slight chance this has different time. If its a problem, can change.
                min.init(now);
                max.init(now, true);

                ASSERT_EQUALS( (unsigned)oid.asTimeT() , now/1000 );
                ASSERT_EQUALS( (unsigned)min.asTimeT() , now/1000 );
                ASSERT_EQUALS( (unsigned)max.asTimeT() , now/1000 );
                ASSERT( BSON("" << min).woCompare( BSON("" << oid) ) < 0  );
                ASSERT( BSON("" << max).woCompare( BSON("" << oid)  )> 0  );
            }
        };

    } // namespace OIDTests


    namespace ValueStreamTests {

        class LabelBase {
        public:
            virtual ~LabelBase() {}
            void run() {
                ASSERT( !expected().woCompare( actual() ) );
            }
        protected:
            virtual BSONObj expected() = 0;
            virtual BSONObj actual() = 0;
        };

        class LabelBasic : public LabelBase {
            BSONObj expected() {
                return BSON( "a" << ( BSON( "$gt" << 1 ) ) );
            }
            BSONObj actual() {
                return BSON( "a" << GT << 1 );
            }
        };

        class LabelShares : public LabelBase {
            BSONObj expected() {
                return BSON( "z" << "q" << "a" << ( BSON( "$gt" << 1 ) ) << "x" << "p" );
            }
            BSONObj actual() {
                return BSON( "z" << "q" << "a" << GT << 1 << "x" << "p" );
            }
        };

        class LabelDouble : public LabelBase {
            BSONObj expected() {
                return BSON( "a" << ( BSON( "$gt" << 1 << "$lte" << "x" ) ) );
            }
            BSONObj actual() {
                return BSON( "a" << GT << 1 << LTE << "x" );
            }
        };

        class LabelDoubleShares : public LabelBase {
            BSONObj expected() {
                return BSON( "z" << "q" << "a" << ( BSON( "$gt" << 1 << "$lte" << "x" ) ) << "x" << "p" );
            }
            BSONObj actual() {
                return BSON( "z" << "q" << "a" << GT << 1 << LTE << "x" << "x" << "p" );
            }
        };

        class LabelSize : public LabelBase {
            BSONObj expected() {
                return BSON( "a" << BSON( "$size" << 4 ) );
            }
            BSONObj actual() {
                return BSON( "a" << mongo::BSIZE << 4 );
            }
        };

        class LabelMulti : public LabelBase {
            BSONObj expected() {
                return BSON( "z" << "q"
                             << "a" << BSON( "$gt" << 1 << "$lte" << "x" )
                             << "b" << BSON( "$ne" << 1 << "$ne" << "f" << "$ne" << 22.3 )
                             << "x" << "p" );
            }
            BSONObj actual() {
                return BSON( "z" << "q"
                             << "a" << GT << 1 << LTE << "x"
                             << "b" << NE << 1 << NE << "f" << NE << 22.3
                             << "x" << "p" );
            }
        };
        class LabelishOr : public LabelBase {
            BSONObj expected() {
                return BSON( "$or" << BSON_ARRAY(
                                 BSON("a" << BSON( "$gt" << 1 << "$lte" << "x" ))
                                 << BSON("b" << BSON( "$ne" << 1 << "$ne" << "f" << "$ne" << 22.3 ))
                                 << BSON("x" << "p" )));
            }
            BSONObj actual() {
                return OR( BSON( "a" << GT << 1 << LTE << "x"),
                           BSON( "b" << NE << 1 << NE << "f" << NE << 22.3),
                           BSON( "x" << "p" ) );
            }
        };

        class Unallowed {
        public:
            void run() {
                ASSERT_THROWS( BSON( GT << 4 ), MsgAssertionException );
                ASSERT_THROWS( BSON( "a" << 1 << GT << 4 ), MsgAssertionException );
            }
        };

        class ElementAppend {
        public:
            void run() {
                BSONObj a = BSON( "a" << 17 );
                BSONObj b = BSON( "b" << a["a"] );
                ASSERT_EQUALS( NumberInt , a["a"].type() );
                ASSERT_EQUALS( NumberInt , b["b"].type() );
                ASSERT_EQUALS( 17 , b["b"].number() );
            }
        };

        class AllTypes {
        public:
            void run() {
                // These are listed in order of BSONType

                ASSERT_EQUALS(objTypeOf(MINKEY), MinKey);
                ASSERT_EQUALS(arrTypeOf(MINKEY), MinKey);

                // EOO not valid in middle of BSONObj

                ASSERT_EQUALS(objTypeOf(1.0), NumberDouble);
                ASSERT_EQUALS(arrTypeOf(1.0), NumberDouble);

                ASSERT_EQUALS(objTypeOf(""), String);
                ASSERT_EQUALS(arrTypeOf(""), String);
                ASSERT_EQUALS(objTypeOf(string()), String);
                ASSERT_EQUALS(arrTypeOf(string()), String);
                ASSERT_EQUALS(objTypeOf(StringData("")), String);
                ASSERT_EQUALS(arrTypeOf(StringData("")), String);

                ASSERT_EQUALS(objTypeOf(BSONObj()), Object);
                ASSERT_EQUALS(arrTypeOf(BSONObj()), Object);

                ASSERT_EQUALS(objTypeOf(BSONArray()), Array);
                ASSERT_EQUALS(arrTypeOf(BSONArray()), Array);

                ASSERT_EQUALS(objTypeOf(BSONBinData("", 0, BinDataGeneral)), BinData);
                ASSERT_EQUALS(arrTypeOf(BSONBinData("", 0, BinDataGeneral)), BinData);

                ASSERT_EQUALS(objTypeOf(BSONUndefined), Undefined);
                ASSERT_EQUALS(arrTypeOf(BSONUndefined), Undefined);

                ASSERT_EQUALS(objTypeOf(OID()), jstOID);
                ASSERT_EQUALS(arrTypeOf(OID()), jstOID);

                ASSERT_EQUALS(objTypeOf(true), Bool);
                ASSERT_EQUALS(arrTypeOf(true), Bool);

                ASSERT_EQUALS(objTypeOf(Date_t()), Date);
                ASSERT_EQUALS(arrTypeOf(Date_t()), Date);

                ASSERT_EQUALS(objTypeOf(BSONNULL), jstNULL);
                ASSERT_EQUALS(arrTypeOf(BSONNULL), jstNULL);

                ASSERT_EQUALS(objTypeOf(BSONRegEx("", "")), RegEx);
                ASSERT_EQUALS(arrTypeOf(BSONRegEx("", "")), RegEx);

                ASSERT_EQUALS(objTypeOf(BSONDBRef("", OID())), DBRef);
                ASSERT_EQUALS(arrTypeOf(BSONDBRef("", OID())), DBRef);

                ASSERT_EQUALS(objTypeOf(BSONCode("")), Code);
                ASSERT_EQUALS(arrTypeOf(BSONCode("")), Code);

                ASSERT_EQUALS(objTypeOf(BSONSymbol("")), Symbol);
                ASSERT_EQUALS(arrTypeOf(BSONSymbol("")), Symbol);

                ASSERT_EQUALS(objTypeOf(BSONCodeWScope("", BSONObj())), CodeWScope);
                ASSERT_EQUALS(arrTypeOf(BSONCodeWScope("", BSONObj())), CodeWScope);

                ASSERT_EQUALS(objTypeOf(1), NumberInt);
                ASSERT_EQUALS(arrTypeOf(1), NumberInt);

                ASSERT_EQUALS(objTypeOf(OpTime()), Timestamp);
                ASSERT_EQUALS(arrTypeOf(OpTime()), Timestamp);

                ASSERT_EQUALS(objTypeOf(1LL), NumberLong);
                ASSERT_EQUALS(arrTypeOf(1LL), NumberLong);

                ASSERT_EQUALS(objTypeOf(MAXKEY), MaxKey);
                ASSERT_EQUALS(arrTypeOf(MAXKEY), MaxKey);
            }

            template<typename T>
            BSONType objTypeOf(const T& thing) {
                return BSON("" << thing).firstElement().type();
            }

            template<typename T>
            BSONType arrTypeOf(const T& thing) {
                return BSON_ARRAY(thing).firstElement().type();
            }
        };
    } // namespace ValueStreamTests

    class SubObjectBuilder {
    public:
        void run() {
            BSONObjBuilder b1;
            b1.append( "a", "bcd" );
            BSONObjBuilder b2( b1.subobjStart( "foo" ) );
            b2.append( "ggg", 44.0 );
            b2.done();
            b1.append( "f", 10.0 );
            BSONObj ret = b1.done();
            ASSERT( ret.valid() );
            ASSERT( ret.woCompare( fromjson( "{a:'bcd',foo:{ggg:44},f:10}" ) ) == 0 );
        }
    };

    class DateBuilder {
    public:
        void run() {
            BSONObj o = BSON("" << Date_t(1234567890));
            ASSERT( o.firstElement().type() == Date );
            ASSERT( o.firstElement().date() == Date_t(1234567890) );
        }
    };

    class DateNowBuilder {
    public:
        void run() {
            Date_t before = jsTime();
            BSONObj o = BSON("now" << DATENOW);
            Date_t after = jsTime();

            ASSERT( o.valid() );

            BSONElement e = o["now"];
            ASSERT( e.type() == Date );
            ASSERT( e.date() >= before );
            ASSERT( e.date() <= after );
        }
    };

    class TimeTBuilder {
    public:
        void run() {
            Date_t before = jsTime();
            sleepmillis(2);
            time_t now = jsTime().toTimeT();
            sleepmillis(2);
            Date_t after = jsTime();

            BSONObjBuilder b;
            b.appendTimeT("now", now);
            BSONObj o = b.obj();

            ASSERT( o.valid() );

            BSONElement e = o["now"];
            ASSERT( e.type() == Date );
            ASSERT( e.date()/1000 >= before/1000 );
            ASSERT( e.date()/1000 <= after/1000 );
        }
    };

    class MinMaxKeyBuilder {
    public:
        void run() {
            BSONObj min = BSON( "a" << MINKEY );
            BSONObj max = BSON( "b" << MAXKEY );

            ASSERT( min.valid() );
            ASSERT( max.valid() );

            BSONElement minElement = min["a"];
            BSONElement maxElement = max["b"];
            ASSERT( minElement.type() == MinKey );
            ASSERT( maxElement.type() == MaxKey );
        }
    };

    class MinMaxElementTest {
    public:

        BSONObj min( int t ) {
            BSONObjBuilder b;
            b.appendMinForType( "a" , t );
            return b.obj();
        }

        BSONObj max( int t ) {
            BSONObjBuilder b;
            b.appendMaxForType( "a" , t );
            return b.obj();
        }

        void run() {
            for ( int t=1; t<JSTypeMax; t++ ) {
                stringstream ss;
                ss << "type: " << t;
                string s = ss.str();
                ASSERT( min( t ).woCompare( max( t ) ) <= 0 );
                ASSERT( max( t ).woCompare( min( t ) ) >= 0 );
                ASSERT( min( t ).woCompare( min( t ) ) == 0 );
                ASSERT( max( t ).woCompare( max( t ) ) == 0 );
            }
        }
    };

    class ExtractFieldsTest {
    public:
        void run() {
            BSONObj x = BSON( "a" << 10 << "b" << 11 );
            verify( BSON( "a" << 10 ).woCompare( x.extractFields( BSON( "a" << 1 ) ) ) == 0 );
            verify( BSON( "b" << 11 ).woCompare( x.extractFields( BSON( "b" << 1 ) ) ) == 0 );
            verify( x.woCompare( x.extractFields( BSON( "a" << 1 << "b" << 1 ) ) ) == 0 );

            verify( (string)"a" == x.extractFields( BSON( "a" << 1 << "c" << 1 ) ).firstElementFieldName() );
        }
    };

    class ComparatorTest {
    public:
        BSONObj one( string s ) {
            return BSON( "x" << s );
        }
        BSONObj two( string x , string y ) {
            BSONObjBuilder b;
            b.append( "x" , x );
            if ( y.size() )
                b.append( "y" , y );
            else
                b.appendNull( "y" );
            return b.obj();
        }

        void test( BSONObj order , BSONObj l , BSONObj r , bool wanted ) {
            BSONObjCmp c( order );
            bool got = c(l,r);
            if ( got == wanted )
                return;
            cout << " order: " << order << " l: " << l << "r: " << r << " wanted: " << wanted << " got: " << got << endl;
        }

        void lt( BSONObj order , BSONObj l , BSONObj r ) {
            test( order , l , r , 1 );
        }

        void run() {
            BSONObj s = BSON( "x" << 1 );
            BSONObj c = BSON( "x" << 1 << "y" << 1 );
            test( s , one( "A" ) , one( "B" ) , 1 );
            test( s , one( "B" ) , one( "A" ) , 0 );

            test( c , two( "A" , "A" ) , two( "A" , "B" ) , 1 );
            test( c , two( "A" , "A" ) , two( "B" , "A" ) , 1 );
            test( c , two( "B" , "A" ) , two( "A" , "B" ) , 0 );

            lt( c , one("A") , two( "A" , "A" ) );
            lt( c , one("A") , one( "B" ) );
            lt( c , two("A","") , two( "B" , "A" ) );

            lt( c , two("B","A") , two( "C" , "A" ) );
            lt( c , two("B","A") , one( "C" ) );
            lt( c , two("B","A") , two( "C" , "" ) );

        }
    };

    class CompatBSON {
    public:

#define JSONBSONTEST(j,s) ASSERT_EQUALS( fromjson( j ).objsize() , s );
#define RAWBSONTEST(j,s) ASSERT_EQUALS( j.objsize() , s );

        void run() {

            JSONBSONTEST( "{ 'x' : true }" , 9 );
            JSONBSONTEST( "{ 'x' : null }" , 8 );
            JSONBSONTEST( "{ 'x' : 5.2 }" , 16 );
            JSONBSONTEST( "{ 'x' : 'eliot' }" , 18 );
            JSONBSONTEST( "{ 'x' : 5.2 , 'y' : 'truth' , 'z' : 1.1 }" , 40 );
            JSONBSONTEST( "{ 'a' : { 'b' : 1.1 } }" , 24 );
            JSONBSONTEST( "{ 'x' : 5.2 , 'y' : { 'a' : 'eliot' , b : true } , 'z' : null }" , 44 );
            JSONBSONTEST( "{ 'x' : 5.2 , 'y' : [ 'a' , 'eliot' , 'b' , true ] , 'z' : null }" , 62 );

            RAWBSONTEST( BSON( "x" << 4 ) , 12 );

        }
    };

    class CompareDottedFieldNamesTest {
    public:
        void t( FieldCompareResult res , const string& l , const string& r ) {
            LexNumCmp cmp( true );
            ASSERT_EQUALS( res , compareDottedFieldNames( l , r , cmp ) );
            ASSERT_EQUALS( -1 * res , compareDottedFieldNames( r , l , cmp ) );
        }

        void run() {
            t( SAME , "x" , "x" );
            t( SAME , "x.a" , "x.a" );
            t( SAME , "x.4" , "x.4" );
            t( LEFT_BEFORE , "a" , "b" );
            t( RIGHT_BEFORE , "b" , "a" );
            t( LEFT_BEFORE , "x.04" , "x.4" );

            t( LEFT_SUBFIELD , "a.x" , "a" );
            t( LEFT_SUBFIELD , "a.4" , "a" );
        }
    };

    class CompareDottedArrayFieldNamesTest {
    public:
        void t( FieldCompareResult res , const string& l , const string& r ) {
            LexNumCmp cmp( false ); // Specify numeric comparison for array field names.
            ASSERT_EQUALS( res , compareDottedFieldNames( l , r , cmp ) );
            ASSERT_EQUALS( -1 * res , compareDottedFieldNames( r , l , cmp ) );
        }
        
        void run() {
            t( SAME , "0" , "0" );
            t( SAME , "1" , "1" );
            t( SAME , "0.1" , "0.1" );
            t( SAME , "0.a" , "0.a" );
            t( LEFT_BEFORE , "0" , "1" );
            t( LEFT_BEFORE , "2" , "10" );
            t( RIGHT_BEFORE , "1" , "0" );
            t( RIGHT_BEFORE , "10" , "2" );
            
            t( LEFT_SUBFIELD , "5.4" , "5" );
            t( LEFT_SUBFIELD , "5.x" , "5" );
        }
    };
    
    struct NestedDottedConversions {
        void t(const BSONObj& nest, const BSONObj& dot) {
            ASSERT_EQUALS( nested2dotted(nest), dot);
            ASSERT_EQUALS( nest, dotted2nested(dot));
        }

        void run() {
            t( BSON("a" << BSON("b" << 1)), BSON("a.b" << 1) );
            t( BSON("a" << BSON("b" << 1 << "c" << 1)), BSON("a.b" << 1 << "a.c" << 1) );
            t( BSON("a" << BSON("b" << 1 << "c" << 1) << "d" << 1), BSON("a.b" << 1 << "a.c" << 1 << "d" << 1) );
            t( BSON("a" << BSON("b" << 1 << "c" << 1 << "e" << BSON("f" << 1)) << "d" << 1), BSON("a.b" << 1 << "a.c" << 1 << "a.e.f" << 1 << "d" << 1) );
        }
    };

    struct BSONArrayBuilderTest {
        void run() {
            int i = 0;
            BSONObjBuilder objb;
            BSONArrayBuilder arrb;

            objb << objb.numStr(i++) << 100;
            arrb                     << 100;

            objb << objb.numStr(i++) << 1.0;
            arrb                     << 1.0;

            objb << objb.numStr(i++) << "Hello";
            arrb                     << "Hello";

            objb << objb.numStr(i++) << string("World");
            arrb                     << string("World");

            objb << objb.numStr(i++) << BSON( "a" << 1 << "b" << "foo" );
            arrb                     << BSON( "a" << 1 << "b" << "foo" );

            objb << objb.numStr(i++) << BSON( "a" << 1)["a"];
            arrb                     << BSON( "a" << 1)["a"];

            OID oid;
            oid.init();
            objb << objb.numStr(i++) << oid;
            arrb                     << oid;

            objb.appendUndefined(objb.numStr(i++));
            arrb.appendUndefined();

            objb.appendRegex(objb.numStr(i++), "test", "imx");
            arrb.appendRegex("test", "imx");

            objb.appendBinData(objb.numStr(i++), 4, BinDataGeneral, "wow");
            arrb.appendBinData(4, BinDataGeneral, "wow");

            objb.appendCode(objb.numStr(i++), "function(){ return 1; }");
            arrb.appendCode("function(){ return 1; }");

            objb.appendCodeWScope(objb.numStr(i++), "function(){ return a; }", BSON("a" << 1));
            arrb.appendCodeWScope("function(){ return a; }", BSON("a" << 1));

            time_t dt(0);
            objb.appendTimeT(objb.numStr(i++), dt);
            arrb.appendTimeT(dt);

            Date_t date(0);
            objb.appendDate(objb.numStr(i++), date);
            arrb.appendDate(date);

            objb.append(objb.numStr(i++), BSONRegEx("test2", "s"));
            arrb.append(BSONRegEx("test2", "s"));

            BSONObj obj = objb.obj();
            BSONArray arr = arrb.arr();

            ASSERT_EQUALS(obj, arr);

            BSONObj o = BSON( "obj" << obj << "arr" << arr << "arr2" << BSONArray(obj)
                    << "regex" << BSONRegEx("reg", "x"));
            keyTest(o);

            ASSERT_EQUALS(o["obj"].type(), Object);
            ASSERT_EQUALS(o["arr"].type(), Array);
            ASSERT_EQUALS(o["arr2"].type(), Array);
            ASSERT_EQUALS(o["regex"].type(), RegEx);
        }
    };

    struct ArrayMacroTest {
        void run() {
            BSONArray arr = BSON_ARRAY( "hello" << 1 << BSON( "foo" << BSON_ARRAY( "bar" << "baz" << "qux" ) ) );
            BSONObj obj = BSON( "0" << "hello"
                                << "1" << 1
                                << "2" << BSON( "foo" << BSON_ARRAY( "bar" << "baz" << "qux" ) ) );

            ASSERT_EQUALS(arr, obj);
            ASSERT_EQUALS(arr["2"].type(), Object);
            ASSERT_EQUALS(arr["2"].embeddedObject()["foo"].type(), Array);
        }
    };

    class NumberParsing {
    public:
        void run() {
            BSONObjBuilder a;
            BSONObjBuilder b;

            a.append( "a" , (int)1 );
            ASSERT( b.appendAsNumber( "a" , "1" ) );

            a.append( "b" , 1.1 );
            ASSERT( b.appendAsNumber( "b" , "1.1" ) );

            a.append( "c" , (int)-1 );
            ASSERT( b.appendAsNumber( "c" , "-1" ) );

            a.append( "d" , -1.1 );
            ASSERT( b.appendAsNumber( "d" , "-1.1" ) );

            a.append( "e" , (long long)32131231231232313LL );
            ASSERT( b.appendAsNumber( "e" , "32131231231232313" ) );

            ASSERT( ! b.appendAsNumber( "f" , "zz" ) );
            ASSERT( ! b.appendAsNumber( "f" , "5zz" ) );
            ASSERT( ! b.appendAsNumber( "f" , "zz5" ) );

            ASSERT_EQUALS( a.obj() , b.obj() );
        }
    };

    class bson2settest {
    public:
        void run() {
            BSONObj o = BSON( "z" << 1 << "a" << 2 << "m" << 3 << "c" << 4 );
            BSONObjIteratorSorted i( o );
            stringstream ss;
            while ( i.more() )
                ss << i.next().fieldName();
            ASSERT_EQUALS( "acmz" , ss.str() );

            {
                Timer t;
                for ( int i=0; i<10000; i++ ) {
                    BSONObjIteratorSorted j( o );
                    int l = 0;
                    while ( j.more() )
                        l += strlen( j.next().fieldName() );
                }
                //unsigned long long tm = t.micros();
                //cout << "time: " << tm << endl;
            }
            
            BSONObj o2 = BSON( "2" << "a" << "11" << "b" );
            BSONObjIteratorSorted i2( o2 );
            // First field in sorted order should be "11" due use of a lexical comparison.
            ASSERT_EQUALS( "11", string( i2.next().fieldName() ) );
        }

    };
    
    class BSONArrayIteratorSorted {
    public:
        void run() {
            BSONArrayBuilder bab;
            for( int i = 0; i < 11; ++i ) {
                bab << "a";
            }
            BSONArray arr = bab.arr();
            // The sorted iterator should perform numeric comparisons and return results in the same
            // order as the unsorted iterator.
            BSONObjIterator unsorted( arr );
            mongo::BSONArrayIteratorSorted sorted( arr );
            while( unsorted.more() ) {
                ASSERT( sorted.more() );
                ASSERT_EQUALS( string( unsorted.next().fieldName() ), sorted.next().fieldName() );
            }
            ASSERT( !sorted.more() );
        }
    };

    class checkForStorageTests {
    public:

        void good( string s ) {
            good( fromjson( s ) );
        }

        void good( BSONObj o ) {
            if ( o.okForStorageAsRoot() )
                return;
            throw UserException( 12528 , (string)"should be ok for storage:" + o.toString() );
        }

        void bad( string s ) {
            bad( fromjson( s ) );
        }

        void bad( BSONObj o ) {
            if ( ! o.okForStorageAsRoot() )
                return;
            throw UserException( 12529 , (string)"should NOT be ok for storage:" + o.toString() );
        }

        void run() {
            // basic docs are good
            good( "{}" );
            good( "{x:1}" );
            good( "{x:{a:2}}" );

            // no dots allowed
            bad( "{'x.y':1}" );
            bad( "{'x\\.y':1}" );

            // Check for $
            bad( "{x:{'$a':2}}" );
            good( "{'a$b':2}" );
            good( "{'a$': {b: 2}}" );
            good( "{'a$':2}" );
            good( "{'a $ a': 'foo'}" );

            // Queries are not ok
            bad( "{num: {$gt: 1}}" );
            bad( "{_id: {$regex:'test'}}" );
            bad( "{$gt: 2}" );
            bad( "{a : { oo: [ {$bad:1}, {good:1}] }}");
            good( "{a : { oo: [ {'\\\\$good':1}, {good:1}] }}");

            // DBRef stuff -- json parser can't handle this yet
            good( BSON("a" << BSON("$ref" << "coll" << "$id" << 1)) );
            good( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "$db" << "a")) );
            good( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "stuff" << 1)) );
            good( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "$db" <<
                                   "a" << "stuff" << 1)) );

            bad( BSON("a" << BSON("$ref" << 1 << "$id" << 1)) );
            bad( BSON("a" << BSON("$ref" << 1 << "$id" << 1 << "$db" << "a")) );
            bad( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "$db" << 1)) );
            bad( BSON("a" << BSON("$ref" << "coll")) );
            bad( BSON("a" << BSON("$ref" << "coll" << "$db" << "db")) );
            bad( BSON("a" << BSON("$id" << 1)) );
            bad( BSON("a" << BSON("$id" << 1 << "$ref" << "coll")) );
            bad( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "$hater" << 1)) );
            bad( BSON("a" << BSON("$ref" << "coll" << "$id" << 1 << "dot.dot" << 1)) );

            // _id isn't a RegEx, or Array
            good( "{_id: 0}" );
            good( "{_id: {a:1, b:1}}" );
            good( "{_id: {rx: /a/}}" );
            good( "{_id: {rx: {$regex: 'a'}}}" );
            bad( "{_id: /a/ }" );
            bad( "{_id: /a/, other:1}" );
            bad( "{hi:1, _id: /a/ }" );
            bad( "{_id: /a/i }" );
            bad( "{first:/f/i, _id: /a/i }" );
            //Not really a regex type
            bad( "{_id: {$regex: 'a'} }" );
            bad( "{_id: {$regex: 'a', $options:'i'} }" );
            bad( "{_id:  [1,2]}" );
            bad( "{_id:  [1]}" );

        }
    };

    class InvalidIDFind {
    public:
        void run() {
            BSONObj x = BSON( "_id" << 5 << "t" << 2 );
            {
                char * crap = (char*)mongoMalloc( x.objsize() );
                memcpy( crap , x.objdata() , x.objsize() );
                BSONObj y( crap );
                ASSERT_EQUALS( x , y );
                free( crap );
            }

            {
                char * crap = (char*)mongoMalloc( x.objsize() );
                memcpy( crap , x.objdata() , x.objsize() );
                int * foo = (int*)crap;
                foo[0] = 123123123;
                int state = 0;
                try {
                    BSONObj y( crap );
                    state = 1;
                }
                catch ( std::exception& e ) {
                    state = 2;
                    ASSERT( strstr( e.what() , "_id: 5" ) != NULL );
                }
                free( crap );
                ASSERT_EQUALS( 2 , state );
            }


        }
    };

    class ElementSetTest {
    public:
        void run() {
            BSONObj x = BSON( "a" << 1 << "b" << 1 << "c" << 2 );
            BSONElement a = x["a"];
            BSONElement b = x["b"];
            BSONElement c = x["c"];
            //cout << "c: " << c << endl;
            ASSERT( a.woCompare( b ) != 0 );
            ASSERT( a.woCompare( b , false ) == 0 );

            BSONElementSet s;
            s.insert( a );
            ASSERT_EQUALS( 1U , s.size() );
            s.insert( b );
            ASSERT_EQUALS( 1U , s.size() );
            ASSERT( ! s.count( c ) );

            ASSERT( s.find( a ) != s.end() );
            ASSERT( s.find( b ) != s.end() );
            ASSERT( s.find( c ) == s.end() );


            s.insert( c );
            ASSERT_EQUALS( 2U , s.size() );


            ASSERT( s.find( a ) != s.end() );
            ASSERT( s.find( b ) != s.end() );
            ASSERT( s.find( c ) != s.end() );

            ASSERT( s.count( a ) );
            ASSERT( s.count( b ) );
            ASSERT( s.count( c ) );

            {
                BSONElementSet x;
                BSONObj o = fromjson( "{ 'a' : [ 1 , 2 , 1 ] }" );
                BSONObjIterator i( o["a"].embeddedObjectUserCheck() );
                while ( i.more() ) {
                    x.insert( i.next() );
                }
                ASSERT_EQUALS( 2U , x.size() );
            }
        }
    };

    class EmbeddedNumbers {
    public:
        void run() {
            BSONObj x = BSON( "a" << BSON( "b" << 1 ) );
            BSONObj y = BSON( "a" << BSON( "b" << 1.0 ) );
            keyTest(x); keyTest(y);
            ASSERT_EQUALS( x , y );
            ASSERT_EQUALS( 0 , x.woCompare( y ) );
        }
    };

    class BuilderPartialItearte {
    public:
        void run() {
            {
                BSONObjBuilder b;
                b.append( "x" , 1 );
                b.append( "y" , 2 );

                BSONObjIterator i = b.iterator();
                ASSERT( i.more() );
                ASSERT_EQUALS( 1 , i.next().numberInt() );
                ASSERT( i.more() );
                ASSERT_EQUALS( 2 , i.next().numberInt() );
                ASSERT( ! i.more() );

                b.append( "z" , 3 );

                i = b.iterator();
                ASSERT( i.more() );
                ASSERT_EQUALS( 1 , i.next().numberInt() );
                ASSERT( i.more() );
                ASSERT_EQUALS( 2 , i.next().numberInt() );
                ASSERT( i.more() );
                ASSERT_EQUALS( 3 , i.next().numberInt() );
                ASSERT( ! i.more() );

                ASSERT_EQUALS( BSON( "x" << 1 << "y" << 2 << "z" << 3 ) , b.obj() );
            }

        }
    };

    class BSONForEachTest {
    public:
        void run() {
            BSONObj obj = BSON("a" << 1 << "a" << 2 << "a" << 3);

            int count = 0;
            BSONForEach(e, obj) {
                ASSERT_EQUALS( e.fieldName() , string("a") );
                count += e.Int();
            }

            ASSERT_EQUALS( count , 1+2+3 );
        }
    };

    class CompareOps {
    public:
        void run() {

            BSONObj a = BSON("a"<<1);
            BSONObj b = BSON("a"<<1);
            BSONObj c = BSON("a"<<2);
            BSONObj d = BSON("a"<<3);
            BSONObj e = BSON("a"<<4);
            BSONObj f = BSON("a"<<4);

            ASSERT( ! ( a < b ) );
            ASSERT( a <= b );
            ASSERT( a < c );

            ASSERT( f > d );
            ASSERT( f >= e );
            ASSERT( ! ( f > e ) );
        }
    };

    class NestedBuilderOversize {
    public:
        void run() {
            try {
                BSONObjBuilder outer;
                BSONObjBuilder inner(outer.subobjStart("inner"));

                string bigStr(1000, 'x');
                while (true) {
                    ASSERT_LESS_THAN_OR_EQUALS(inner.len(), BufferMaxSize);
                    inner.append("", bigStr);
                }

                ASSERT(!"Expected Throw");
            } catch (const DBException& e) {
                if (e.getCode() != 13548) // we expect the code for oversized buffer
                    throw;
            }
        }
    };

    class All : public Suite {
    public:
        All() : Suite( "jsobj" ) {
        }

        void setupTests() {
            add< BufBuilderBasic >();
            add< BufBuilderReallocLimit >();
            add< BSONElementBasic >();
            add< BSONObjTests::NullString >();
            add< BSONObjTests::Create >();
            add< BSONObjTests::WoCompareBasic >();
            add< BSONObjTests::NumericCompareBasic >();
            add< BSONObjTests::WoCompareEmbeddedObject >();
            add< BSONObjTests::WoCompareEmbeddedArray >();
            add< BSONObjTests::WoCompareOrdered >();
            add< BSONObjTests::WoCompareDifferentLength >();
            add< BSONObjTests::WoSortOrder >();
            add< BSONObjTests::IsPrefixOf >();
            add< BSONObjTests::MultiKeySortOrder > ();
            add< BSONObjTests::Nan >();
            add< BSONObjTests::AsTempObj >();
            add< BSONObjTests::AppendIntOrLL >();
            add< BSONObjTests::AppendNumber >();
            add< BSONObjTests::ToStringArray >();
            add< BSONObjTests::ToStringNumber >();
            add< BSONObjTests::AppendAs >();
            add< BSONObjTests::GetField >();
            add< BSONObjTests::ToStringRecursionDepth >();
            add< BSONObjTests::StringWithNull >();

            add< BSONObjTests::Validation::BadType >();
            add< BSONObjTests::Validation::EooBeforeEnd >();
            add< BSONObjTests::Validation::Undefined >();
            add< BSONObjTests::Validation::TotalSizeTooSmall >();
            add< BSONObjTests::Validation::EooMissing >();
            add< BSONObjTests::Validation::WrongStringSize >();
            add< BSONObjTests::Validation::ZeroStringSize >();
            add< BSONObjTests::Validation::NegativeStringSize >();
            add< BSONObjTests::Validation::WrongSubobjectSize >();
            add< BSONObjTests::Validation::WrongDbrefNsSize >();
            add< BSONObjTests::Validation::NoFieldNameEnd >();
            add< BSONObjTests::Validation::BadRegex >();
            add< BSONObjTests::Validation::BadRegexOptions >();
            add< BSONObjTests::Validation::CodeWScopeSmallSize >();
            add< BSONObjTests::Validation::CodeWScopeZeroStrSize >();
            add< BSONObjTests::Validation::CodeWScopeSmallStrSize >();
            add< BSONObjTests::Validation::CodeWScopeNoSizeForObj >();
            add< BSONObjTests::Validation::CodeWScopeSmallObjSize >();
            add< BSONObjTests::Validation::CodeWScopeBadObject >();
            add< BSONObjTests::Validation::NoSize >( Symbol );
            add< BSONObjTests::Validation::NoSize >( Code );
            add< BSONObjTests::Validation::NoSize >( String );
            add< BSONObjTests::Validation::NoSize >( CodeWScope );
            add< BSONObjTests::Validation::NoSize >( DBRef );
            add< BSONObjTests::Validation::NoSize >( Object );
            add< BSONObjTests::Validation::NoSize >( Array );
            add< BSONObjTests::Validation::NoSize >( BinData );
            add< OIDTests::init1 >();
            add< OIDTests::initParse1 >();
            add< OIDTests::append >();
            add< OIDTests::increasing >();
            add< OIDTests::ToDate >();
            add< OIDTests::FromDate >();
            add< ValueStreamTests::LabelBasic >();
            add< ValueStreamTests::LabelShares >();
            add< ValueStreamTests::LabelDouble >();
            add< ValueStreamTests::LabelDoubleShares >();
            add< ValueStreamTests::LabelSize >();
            add< ValueStreamTests::LabelMulti >();
            add< ValueStreamTests::LabelishOr >();
            add< ValueStreamTests::Unallowed >();
            add< ValueStreamTests::ElementAppend >();
            add< ValueStreamTests::AllTypes >();
            add< SubObjectBuilder >();
            add< DateBuilder >();
            add< DateNowBuilder >();
            add< TimeTBuilder >();
            add< MinMaxKeyBuilder >();
            add< MinMaxElementTest >();
            add< ComparatorTest >();
            add< ExtractFieldsTest >();
            add< CompatBSON >();
            add< CompareDottedFieldNamesTest >();
            add< CompareDottedArrayFieldNamesTest >();
            add< NestedDottedConversions >();
            add< BSONArrayBuilderTest >();
            add< ArrayMacroTest >();
            add< NumberParsing >();
            add< bson2settest >();
            add< BSONArrayIteratorSorted >();
            add< checkForStorageTests >();
            add< InvalidIDFind >();
            add< ElementSetTest >();
            add< EmbeddedNumbers >();
            add< BuilderPartialItearte >();
            add< BSONForEachTest >();
            add< CompareOps >();
            add< NestedBuilderOversize >();
        }
    };

    SuiteInstance<All> myall;

} // namespace JsobjTests