1 files changed, 113 insertions, 0 deletions
diff --git a/src/mongo/db/matcher/expression_test.cpp b/src/mongo/db/matcher/expression_test.cpp
new file mode 100644
index 00000000000..44424e11d64
--- /dev/null
+++ b/src/mongo/db/matcher/expression_test.cpp
@@ -0,0 +1,113 @@
+// expression_test.cpp
+
+/**
+ *    Copyright (C) 2013 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/>.
+ */
+
+/** Unit tests for MatchExpression operator implementations in match_operators.{h,cpp}. */
+
+#include "mongo/unittest/unittest.h"
+
+#include "mongo/bson/bsonobj.h"
+#include "mongo/bson/bsonobjbuilder.h"
+#include "mongo/bson/bsonmisc.h"
+#include "mongo/db/json.h"
+#include "mongo/db/matcher.h"
+#include "mongo/db/matcher/expression.h"
+#include "mongo/db/matcher/expression_leaf.h"
+
+namespace mongo {
+
+    /// HACK HACK HACK
+
+    MatchDetails::MatchDetails() :
+        _elemMatchKeyRequested() {
+        resetOutput();
+    }
+    void MatchDetails::resetOutput() {
+        _loadedRecord = false;
+        _elemMatchKeyFound = false;
+        _elemMatchKey = "";
+    }
+
+
+    // ----------------------
+
+    TEST( ExpressionTest, Parse1 ) {
+        //TreeExpression* e = NULL;
+        //Status s = Expression::parse( BSON( "x" << 1 ), &e );
+        //ASSERT_TRUE( s.isOK() );
+    }
+
+    TEST( LeafExpressionTest, Equal1 ) {
+        BSONObj temp = BSON( "x" << 5 );
+        ComparisonExpression e;
+        e.init( "x", ComparisonExpression::EQ, temp["x"] );
+
+        ASSERT_TRUE( e.matches( fromjson( "{ x : 5 }" ) ) );
+        ASSERT_TRUE( e.matches( fromjson( "{ x : [5] }" ) ) );
+        ASSERT_TRUE( e.matches( fromjson( "{ x : [1,5] }" ) ) );
+        ASSERT_TRUE( e.matches( fromjson( "{ x : [1,5,2] }" ) ) );
+        ASSERT_TRUE( e.matches( fromjson( "{ x : [5,2] }" ) ) );
+
+        ASSERT_FALSE( e.matches( fromjson( "{ x : null }" ) ) );
+        ASSERT_FALSE( e.matches( fromjson( "{ x : 6 }" ) ) );
+        ASSERT_FALSE( e.matches( fromjson( "{ x : [4,2] }" ) ) );
+        ASSERT_FALSE( e.matches( fromjson( "{ x : [[5]] }" ) ) );
+    }
+
+    TEST( LeafExpressionTest, Comp1 ) {
+        BSONObj temp = BSON( "x" << 5 );
+
+        {
+            ComparisonExpression e;
+            e.init( "x", ComparisonExpression::LTE, temp["x"] );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 5 }" ) ) );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 4 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 6 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 'eliot' }" ) ) );
+        }
+
+        {
+            ComparisonExpression e;
+            e.init( "x", ComparisonExpression::LT, temp["x"] );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 5 }" ) ) );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 4 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 6 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 'eliot' }" ) ) );
+        }
+
+        {
+            ComparisonExpression e;
+            e.init( "x", ComparisonExpression::GTE, temp["x"] );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 5 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 4 }" ) ) );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 6 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 'eliot' }" ) ) );
+        }
+
+        {
+            ComparisonExpression e;
+            e.init( "x", ComparisonExpression::GT, temp["x"] );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 5 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 4 }" ) ) );
+            ASSERT_TRUE( e.matches( fromjson( "{ x : 6 }" ) ) );
+            ASSERT_FALSE( e.matches( fromjson( "{ x : 'eliot' }" ) ) );
+        }
+
+
+    }
+
+}