Add m-esr52 at 52.6.0

1 files changed, 41 insertions, 0 deletions

diff --git a/browser/base/content/test/general/browser_favicon_change.js b/browser/base/content/test/general/browser_favicon_change.js
new file mode 100644
index 000000000..f6b0a2a42
--- /dev/null
+++ b/browser/base/content/test/general/browser_favicon_change.js
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URL = "http://mochi.test:8888/browser/browser/base/content/test/general/file_favicon_change.html"
+
+add_task(function*() {
+  let extraTab = gBrowser.selectedTab = gBrowser.addTab();
+  extraTab.linkedBrowser.loadURI(TEST_URL);
+  let tabLoaded = BrowserTestUtils.browserLoaded(extraTab.linkedBrowser);
+  let expectedFavicon = "http://example.org/one-icon";
+  let haveChanged = new Promise.defer();
+  let observer = new MutationObserver(function(mutations) {
+    for (let mut of mutations) {
+      if (mut.attributeName != "image") {
+        continue;
+      }
+      let imageVal = extraTab.getAttribute("image").replace(/#.*$/, "");
+      if (!imageVal) {
+        // The value gets removed because it doesn't load.
+        continue;
+      }
+      is(imageVal, expectedFavicon, "Favicon image should correspond to expected image.");
+      haveChanged.resolve();
+    }
+  });
+  observer.observe(extraTab, {attributes: true});
+  yield tabLoaded;
+  yield haveChanged.promise;
+  haveChanged = new Promise.defer();
+  expectedFavicon = "http://example.org/other-icon";
+  ContentTask.spawn(extraTab.linkedBrowser, null, function() {
+    let ev = new content.CustomEvent("PleaseChangeFavicon", {});
+    content.dispatchEvent(ev);
+  });
+  yield haveChanged.promise;
+  observer.disconnect();
+  gBrowser.removeTab(extraTab);
+});
+