SERVER-14254 added jstest for _v8_function.toString()

1 files changed, 28 insertions, 0 deletions

diff --git a/jstests/core/where5.js b/jstests/core/where5.js
new file mode 100644
index 00000000000..e4a5f353ec8
--- /dev/null
+++ b/jstests/core/where5.js
@@ -0,0 +1,28 @@
+// Tests toString() on _v8_function in object constructor.
+
+var t = db.where5;
+
+t.drop();
+
+t.save({a: 1});
+
+// Prints information on the document's _id field.
+function printIdConstructor(doc) {
+    // If doc is undefined, this function is running inside server.
+    if (!doc) {
+        doc = this;
+    }
+
+    // This used to crash.
+    doc._id.constructor._v8_function.toString();
+
+    // Predicate for matching document in collection.
+    return true;
+}
+
+print('Running JS function in server...');
+assert.eq(t.find({$where: printIdConstructor}).itcount(), 1);
+
+print('Running JS function in client...');
+var doc = t.findOne();
+printIdConstructor(doc);