1 files changed, 20 insertions, 0 deletions
diff --git a/jstests/core/array_match2.js b/jstests/core/array_match2.js
new file mode 100644
index 00000000000..d254b0a3fdd
--- /dev/null
+++ b/jstests/core/array_match2.js
@@ -0,0 +1,20 @@
+
+t = db.jstests_array_match2;
+t.drop();
+
+t.save( {a:[{1:4},5]} );
+// When the array index is the last field, both of these match types work.
+assert.eq( 1, t.count( {'a.1':4} ) );
+assert.eq( 1, t.count( {'a.1':5} ) );
+
+t.remove({});
+// When the array index is not the last field, only one of the match types works.
+t.save( {a:[{1:{foo:4}},{foo:5}]} );
+assert.eq( 1, t.count( {'a.1.foo':4} ) );
+assert.eq( 1, t.count( {'a.1.foo':5} ) );
+
+// Same issue with the $exists operator
+t.remove({});
+t.save( {a:[{1:{foo:4}},{}]} );
+assert.eq( 1, t.count( {'a.1':{$exists:true}} ) );
+assert.eq( 1, t.count( {'a.1.foo':{$exists:true}} ) );