From e90cdb9130db07a7a1123a7f9b2348910fd07de8 Mon Sep 17 00:00:00 2001
From: Elliott Sprehn <esprehn@chromium.org>
Date: Wed, 17 Dec 2014 15:01:17 -0800
Subject: [PATCH] Improve custom-elements/generated-constructor.sky test.

We should inherit from HTMLElement, Sky (and blink) don't currently
enforce this but they probably should. We should also explicitly
check that the prototype is what we expect.

TBR=eseidel@chromium.org

Review URL: https://codereview.chromium.org/809183002
---
 .../flutter/tests/custom-elements/generated-constructor.sky    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/engine/src/flutter/tests/custom-elements/generated-constructor.sky b/engine/src/flutter/tests/custom-elements/generated-constructor.sky
index 619ebc7432..bbfd289000 100644
--- a/engine/src/flutter/tests/custom-elements/generated-constructor.sky
+++ b/engine/src/flutter/tests/custom-elements/generated-constructor.sky
@@ -4,7 +4,7 @@
 <script>
 describe("Custom element constructor", function() {
   it("should inherit from the passed constructor", function() {
-    class TestElementClass {
+    class TestElementClass extends HTMLElement {
       static test() { return 10; }
     }
     var TestElement = document.registerElement("test-element-1", {
@@ -12,6 +12,7 @@ describe("Custom element constructor", function() {
     });
     assert.isFunction(TestElement.test);
     assert.equal(TestElement.test(), 10);
+    assert.equal(Object.getPrototypeOf(TestElement), TestElementClass);
   });
 });
 </script>