From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../mochitest/browserElement_DocumentFirstPaint.js | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 dom/browser-element/mochitest/browserElement_DocumentFirstPaint.js

(limited to 'dom/browser-element/mochitest/browserElement_DocumentFirstPaint.js')

diff --git a/dom/browser-element/mochitest/browserElement_DocumentFirstPaint.js b/dom/browser-element/mochitest/browserElement_DocumentFirstPaint.js
new file mode 100644
index 000000000..16618829e
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_DocumentFirstPaint.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 829486 - Add mozdocumentbrowserfirstpaint event.
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+
+var iframe;
+
+function runTestQueue(queue) {
+  if (queue.length == 0) {
+    SimpleTest.finish();
+    return;
+  }
+
+  var gotFirstPaint = false;
+  var gotFirstLocationChange = false;
+  var test = queue.shift();
+
+  function runNext() {
+    iframe.removeEventListener('mozbrowserdocumentfirstpaint', documentfirstpainthandler);
+    iframe.removeEventListener('mozbrowserloadend', loadendhandler);
+    runTestQueue(queue);
+  }
+
+  function documentfirstpainthandler(e) {
+    ok(!gotFirstPaint, "Got firstpaint only once");
+    gotFirstPaint = true;
+    if (gotFirstLocationChange) {
+      runNext();
+    }
+  }
+
+  function loadendhandler(e) {
+    gotFirstLocationChange = true;
+    if (gotFirstPaint) {
+      runNext();
+    }
+  }
+
+  iframe.addEventListener('mozbrowserdocumentfirstpaint', documentfirstpainthandler);
+  iframe.addEventListener('mozbrowserloadend', loadendhandler);
+
+  test();
+}
+
+function testChangeLocation() {
+  iframe.src = browserElementTestHelpers.emptyPage1 + "?2";
+}
+
+function testReload() {
+  iframe.reload();
+}
+
+function testFirstLoad() {
+  document.body.appendChild(iframe);
+  iframe.src = browserElementTestHelpers.emptyPage1;
+}
+
+function runTest() {
+  iframe = document.createElement('iframe');
+  iframe.setAttribute('mozbrowser', 'true');
+
+  runTestQueue([testFirstLoad, testReload, testChangeLocation]);
+}
+
+addEventListener('testready', runTest);
-- 
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