1 files changed, 51 insertions, 0 deletions
diff --git a/dom/browser-element/mochitest/browserElement_BrowserWindowResize.js b/dom/browser-element/mochitest/browserElement_BrowserWindowResize.js
new file mode 100644
index 000000000..420b4bc34
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_BrowserWindowResize.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 891763 - Test the mozbrowserresize event
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+browserElementTestHelpers.addPermission();
+
+function runTest() {
+  var srcResizeTo = "data:text/html,       \
+    <script type='application/javascript'> \
+      window.resizeTo(300, 300);           \
+    <\/script>                             \
+  ";
+
+  var srcResizeBy = "data:text/html,       \
+    <script type='application/javascript'> \
+      window.resizeBy(-100, -100);         \
+    <\/script>                             \
+  ";
+
+  var count = 0;
+  function checkSize(iframe) {
+    count++;
+    is(iframe.clientWidth,  400, "iframe width does not change");
+    is(iframe.clientHeight, 400, "iframe height does not change");
+    if (count == 2) {
+      SimpleTest.finish();
+    }
+  }
+
+  function testIFrameWithSrc(src) {
+    var iframe = document.createElement('iframe');
+    iframe.setAttribute('mozbrowser', 'true');
+    iframe.style = "border:none; width:400px; height:400px;";
+    iframe.src = src;
+    iframe.addEventListener("mozbrowserresize", function (e) {
+      is(e.detail.width,  300, "Received correct resize event width");
+      is(e.detail.height, 300, "Received correct resize event height");
+      SimpleTest.executeSoon(checkSize.bind(undefined, iframe));
+    });
+    document.body.appendChild(iframe);
+  }
+
+  testIFrameWithSrc(srcResizeTo);
+  testIFrameWithSrc(srcResizeBy);
+}
+
+addEventListener('testready', runTest);