1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/constructor-name.js b/js/src/jit-test/tests/basic/constructor-name.js
new file mode 100644
index 000000000..4bc6a61ea
--- /dev/null
+++ b/js/src/jit-test/tests/basic/constructor-name.js
@@ -0,0 +1,28 @@
+function Ctor() {}
+
+var nested = {};
+nested.Ctor = function () {};
+nested.object = {};
+
+function makeInstance() {
+  let LexicalCtor = function () {};
+  return new LexicalCtor;
+}
+
+function makeObject() {
+  let object = {};
+  return object;
+}
+
+let tests = [
+  { name: "Ctor",                     object: new Ctor        },
+  { name: "nested.Ctor",              object: new nested.Ctor },
+  { name: "makeInstance/LexicalCtor", object: makeInstance()  },
+  { name: null,                       object: {}              },
+  { name: null,                       object: nested.object   },
+  { name: null,                       object: makeObject()    },
+];
+
+for (let { name, object } of tests) {
+  assertEq(getConstructorName(object), name);
+}