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

---
 docshell/test/browser/head.js | 99 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 docshell/test/browser/head.js

(limited to 'docshell/test/browser/head.js')

diff --git a/docshell/test/browser/head.js b/docshell/test/browser/head.js
new file mode 100644
index 000000000..24ca8f45b
--- /dev/null
+++ b/docshell/test/browser/head.js
@@ -0,0 +1,99 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* Helper function for timeline tests.  Returns an async task that is
+ * suitable for use as a particular timeline test.
+ * @param string frameScriptName
+ *        Base name of the frame script file.
+ * @param string url
+ *        URL to load.
+ */
+function makeTimelineTest(frameScriptName, url) {
+  info("in timelineTest");
+  return Task.async(function*() {
+    info("in in timelineTest");
+    waitForExplicitFinish();
+
+    yield timelineTestOpenUrl(url);
+
+    const here = "chrome://mochitests/content/browser/docshell/test/browser/";
+
+    let mm = gBrowser.selectedBrowser.messageManager;
+    mm.loadFrameScript(here + "frame-head.js", false);
+    mm.loadFrameScript(here + frameScriptName, false);
+
+    // Set up some listeners so that timeline tests running in the
+    // content process can forward their results to the main process.
+    mm.addMessageListener("browser:test:ok", function(message) {
+      ok(message.data.value, message.data.message);
+    });
+    mm.addMessageListener("browser:test:info", function(message) {
+      info(message.data.message);
+    });
+    mm.addMessageListener("browser:test:finish", function(ignore) {
+      gBrowser.removeCurrentTab();
+      finish();
+    });
+  });
+}
+
+/* Open a URL for a timeline test.  */
+function timelineTestOpenUrl(url) {
+  window.focus();
+
+  let tabSwitchPromise = new Promise((resolve, reject) => {
+    window.gBrowser.addEventListener("TabSwitchDone", function listener() {
+      window.gBrowser.removeEventListener("TabSwitchDone", listener);
+      resolve();
+    });
+  });
+
+  let loadPromise = new Promise(function(resolve, reject) {
+    let tab = window.gBrowser.selectedTab = window.gBrowser.addTab(url);
+    let linkedBrowser = tab.linkedBrowser;
+
+    linkedBrowser.addEventListener("load", function onload() {
+      linkedBrowser.removeEventListener("load", onload, true);
+      resolve(tab);
+    }, true);
+  });
+
+  return Promise.all([tabSwitchPromise, loadPromise]).then(([_, tab]) => tab);
+}
+
+/**
+ * Helper function for charset tests. It loads |url| in a new tab,
+ * runs |check1| in a ContentTask when the page is ready, switches the
+ * charset to |charset|, and then runs |check2| in a ContentTask when
+ * the page has finished reloading.
+ *
+ * |charset| and |check2| can be omitted, in which case the test
+ * finishes when |check1| completes.
+ */
+function runCharsetTest(url, check1, charset, check2) {
+  waitForExplicitFinish();
+
+  BrowserTestUtils.openNewForegroundTab(gBrowser, url, true).then(afterOpen);
+
+  function afterOpen() {
+    if (charset) {
+      BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser).then(afterChangeCharset);
+
+      ContentTask.spawn(gBrowser.selectedBrowser, null, check1).then(() => {
+        BrowserSetForcedCharacterSet(charset);
+      });
+    } else {
+      ContentTask.spawn(gBrowser.selectedBrowser, null, check1).then(() => {
+        gBrowser.removeCurrentTab();
+        finish();
+      });
+    }
+  }
+
+  function afterChangeCharset() {
+    ContentTask.spawn(gBrowser.selectedBrowser, null, check2).then(() => {
+      gBrowser.removeCurrentTab();
+      finish();
+    });
+  }
+}
-- 
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