import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/browser-element/mochitest/browserElement_OpenWindowRejected2.js

@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 742944 - Do window.open from inside <iframe mozbrowser>.  But then
+// reject the call.  This shouldn't cause problems (crashes, leaks).
+//
+// This is the same as OpenWindowRejected, except we "reject" the popup by not
+// adding the iframe element to our DOM, instead of by not calling
+// preventDefault() on the event.
+
+"use strict";
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+browserElementTestHelpers.addPermission();
+
+function runTest() {
+  var iframe = document.createElement('iframe');
+  iframe.setAttribute('mozbrowser', 'true');
+
+  iframe.addEventListener('mozbrowseropenwindow', function(e) {
+    ok(e.detail.url.indexOf('does_not_exist.html') != -1,
+       'Opened URL; got ' + e.detail.url);
+    is(e.detail.name, '');
+    is(e.detail.features, '');
+
+    // Call preventDefault, but don't add the iframe to the DOM.  This still
+    // amounts to rejecting the popup.
+    e.preventDefault();
+  });
+
+  iframe.addEventListener('mozbrowsershowmodalprompt', function(e) {
+    var msg = e.detail.message;
+    if (msg.indexOf('success:') == 0) {
+      ok(true, msg);
+    }
+    else if (msg == 'finish') {
+      SimpleTest.finish();
+    }
+    else {
+      ok(false, msg);
+    }
+  });
+
+  iframe.src = 'file_browserElement_OpenWindowRejected.html';
+}
+
+addEventListener('testready', runTest);