1 files changed, 84 insertions, 0 deletions
diff --git a/jstests/core/not2.js b/jstests/core/not2.js
new file mode 100644
index 00000000000..239ea89d226
--- /dev/null
+++ b/jstests/core/not2.js
@@ -0,0 +1,84 @@
+t = db.jstests_not2;
+t.drop();
+
+check = function( query, expected, size ) {
+    if ( size == null ) {
+        size = 1;
+    }
+    assert.eq( size, t.find( query ).itcount(), tojson( query ) );
+    if ( size > 0 ) {
+        assert.eq( expected, t.findOne( query ).i, tojson( query ) );
+    }
+}
+
+fail = function( query ) {
+    try {
+        t.find( query ).itcount();
+        assert( false, tojson( query ) );
+    } catch ( e ) {
+        // expected
+    }
+}
+
+doTest = function() {
+
+t.remove( {} );
+    
+t.save( {i:"a"} );
+t.save( {i:"b"} );
+
+fail( {i:{$not:"a"}} );
+// SERVER-12735: We currently do not handle double negatives
+// during query canonicalization.
+//fail( {i:{$not:{$not:"a"}}} );
+//fail( {i:{$not:{$not:{$gt:"a"}}}} );
+fail( {i:{$not:{$ref:"foo"}}} );
+fail( {i:{$not:{}}} );
+check( {i:{$gt:"a"}}, "b" );
+check( {i:{$not:{$gt:"a"}}}, "a" );
+check( {i:{$not:{$ne:"a"}}}, "a" );
+check( {i:{$not:{$gte:"b"}}}, "a" );
+check( {i:{$exists:true}}, "a", 2 );
+check( {i:{$not:{$exists:true}}}, "", 0 );
+check( {j:{$not:{$exists:false}}}, "", 0 );
+check( {j:{$not:{$exists:true}}}, "a", 2 );
+check( {i:{$not:{$in:["a"]}}}, "b" );
+check( {i:{$not:{$in:["a", "b"]}}}, "", 0 );
+check( {i:{$not:{$in:["g"]}}}, "a", 2 );
+check( {i:{$not:{$nin:["a"]}}}, "a" );
+check( {i:{$not:/a/}}, "b" );
+check( {i:{$not:/(a|b)/}}, "", 0 );
+check( {i:{$not:/a/,$regex:"a"}}, "", 0 );
+check( {i:{$not:/aa/}}, "a", 2 );
+fail( {i:{$not:{$regex:"a"}}} );
+fail( {i:{$not:{$options:"a"}}} );
+check( {i:{$type:2}}, "a", 2 );
+check( {i:{$not:{$type:1}}}, "a", 2 );
+check( {i:{$not:{$type:2}}}, "", 0 );
+
+t.remove( {} );
+t.save( {i:1} );
+check( {i:{$not:{$mod:[5,1]}}}, null, 0 );
+check( {i:{$mod:[5,2]}}, null, 0 );
+check( {i:{$not:{$mod:[5,2]}}}, 1, 1 );
+
+t.remove( {} );
+t.save( {i:["a","b"]} );
+check( {i:{$not:{$size:2}}}, null, 0 );
+check( {i:{$not:{$size:3}}}, ["a","b"] );
+check( {i:{$not:{$gt:"a"}}}, null, 0 );
+check( {i:{$not:{$gt:"c"}}}, ["a","b"] );
+check( {i:{$not:{$all:["a","b"]}}}, null, 0 );
+check( {i:{$not:{$all:["c"]}}}, ["a","b"] );
+
+t.remove( {} );
+t.save( {i:[{j:"a"}]} );
+t.save( {i:[{j:"b"}]} );
+check( {i:{$not:{$elemMatch:{j:"a"}}}}, [{j:"b"}] );
+check( {i:{$not:{$elemMatch:{j:"f"}}}}, [{j:"a"}], 2 );
+
+}
+
+doTest();
+t.ensureIndex( {i:1} );
+doTest();