1 files changed, 31 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/doc_watch-expression-button.html b/devtools/client/debugger/test/mochitest/doc_watch-expression-button.html
new file mode 100644
index 000000000..a4a5be26e
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/doc_watch-expression-button.html
@@ -0,0 +1,31 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Debugger test page</title>
+  </head>
+
+  <body>
+    <button onclick="start()">Click me!</button>
+
+    <script type="text/javascript">
+      function test() {
+        var a = 1;
+        var b = { a: a };
+        b.a = 2;
+        debugger;
+      }
+
+      function start() {
+        var e  = eval('test();');
+      }
+
+      var button = document.querySelector("button");
+      var buttonAsProto = Object.create(button);
+    </script>
+  </body>
+
+</html>