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// Randomized index testing
Random.setRandomSeed();
t = db.test_index_check9;
function doIt() {
t.drop();
function sort() {
var sort = {};
for( var i = 0; i < n; ++i ) {
sort[ fields[ i ] ] = Random.rand() > 0.5 ? 1 : -1;
}
return sort;
}
var fields = [ 'a', 'b', 'c', 'd', 'e' ];
n = Random.randInt( 5 ) + 1;
var idx = sort();
var chars = "abcdefghijklmnopqrstuvwxyz";
var alphas = [];
for( var i = 0; i < n; ++i ) {
alphas.push( Random.rand() > 0.5 );
}
t.ensureIndex( idx );
function obj() {
var ret = {};
for( var i = 0; i < n; ++i ) {
ret[ fields[ i ] ] = r( alphas[ i ] );
}
return ret;
}
function r( alpha ) {
if ( !alpha ) {
return Random.randInt( 10 );
} else {
var len = Random.randInt( 10 );
buf = "";
for( var i = 0; i < len; ++i ) {
buf += chars.charAt( Random.randInt( chars.length ) );
}
return buf;
}
}
function check() {
var v = t.validate();
if ( !t.valid ) {
printjson( t );
assert( t.valid );
}
var spec = {};
for( var i = 0; i < n; ++i ) {
var predicateType = Random.randInt( 4 );
switch( predicateType ) {
case 0 /* range */ : {
var bounds = [ r( alphas[ i ] ), r( alphas[ i ] ) ];
if ( bounds[ 0 ] > bounds[ 1 ] ) {
bounds.reverse();
}
var s = {};
if ( Random.rand() > 0.5 ) {
s[ "$gte" ] = bounds[ 0 ];
} else {
s[ "$gt" ] = bounds[ 0 ];
}
if ( Random.rand() > 0.5 ) {
s[ "$lte" ] = bounds[ 1 ];
} else {
s[ "$lt" ] = bounds[ 1 ];
}
spec[ fields[ i ] ] = s;
break;
}
case 1 /* $in */ : {
var vals = [];
var inLength = Random.randInt( 15 );
for( var j = 0; j < inLength; ++j ) {
vals.push( r( alphas[ i ] ) );
}
spec[ fields[ i ] ] = { $in: vals };
break;
}
case 2 /* equality */ : {
spec[ fields[ i ] ] = r( alphas[ i ] );
break;
}
default /* no predicate */ :
break;
}
}
s = sort();
c1 = t.find( spec, { _id:null } ).sort( s ).hint( idx ).toArray();
c2 = t.find( spec, { _id:null } ).sort( s ).hint( {$natural:1} ).toArray();
count = t.count( spec );
assert.eq( c1, c2 );
assert.eq( c2.length, count );
}
var bulk = t.initializeUnorderedBulkOp();
for( var i = 0; i < 10000; ++i ) {
bulk.insert( obj() );
if( Random.rand() > 0.999 ) {
print( i );
assert.writeOK(bulk.execute());
check();
bulk = t.initializeUnorderedBulkOp();
}
}
bulk = t.initializeUnorderedBulkOp();
for( var i = 0; i < 100000; ++i ) {
if ( Random.rand() > 0.9 ) {
bulk.insert( obj() );
} else {
bulk.find( obj() ).remove(); // improve
}
if( Random.rand() > 0.999 ) {
print( i );
assert.writeOK(bulk.execute());
check();
bulk = t.initializeUnorderedBulkOp();
}
}
assert.writeOK(bulk.execute());
check();
}
for( var z = 0; z < 5; ++z ) {
doIt();
}
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