Add m-esr52 at 52.6.0

1 files changed, 189 insertions, 0 deletions

diff --git a/browser/modules/test/browser_ProcessHangNotifications.js b/browser/modules/test/browser_ProcessHangNotifications.js
new file mode 100644
index 000000000..597be611a
--- /dev/null
+++ b/browser/modules/test/browser_ProcessHangNotifications.js
@@ -0,0 +1,189 @@
+
+Cu.import("resource://gre/modules/UpdateUtils.jsm");
+
+function getNotificationBox(aWindow) {
+  return aWindow.document.getElementById("high-priority-global-notificationbox");
+}
+
+function promiseNotificationShown(aWindow, aName) {
+  return new Promise((resolve) => {
+    let notification = getNotificationBox(aWindow);
+    notification.addEventListener("AlertActive", function active() {
+      notification.removeEventListener("AlertActive", active, true);
+      is(notification.allNotifications.length, 1, "Notification Displayed.");
+      resolve(notification);
+    });
+  });
+}
+
+function promiseReportCallMade(aValue) {
+  return new Promise((resolve) => {
+    let old = gTestHangReport.testCallback;
+    gTestHangReport.testCallback = function (val) {
+      gTestHangReport.testCallback = old;
+      is(aValue, val, "was the correct method call made on the hang report object?");
+      resolve();
+    };
+  });
+}
+
+function pushPrefs(...aPrefs) {
+  return new Promise((resolve) => {
+    SpecialPowers.pushPrefEnv({"set": aPrefs}, resolve);
+    resolve();
+  });
+}
+
+function popPrefs() {
+  return new Promise((resolve) => {
+    SpecialPowers.popPrefEnv(resolve);
+    resolve();
+  });
+}
+
+let gTestHangReport = {
+  SLOW_SCRIPT: 1,
+  PLUGIN_HANG: 2,
+
+  TEST_CALLBACK_CANCELED: 1,
+  TEST_CALLBACK_TERMSCRIPT: 2,
+  TEST_CALLBACK_TERMPLUGIN: 3,
+
+  _hangType: 1,
+  _tcb: function (aCallbackType) {},
+
+  get hangType() {
+    return this._hangType;
+  },
+
+  set hangType(aValue) {
+    this._hangType = aValue;
+  },
+
+  set testCallback(aValue) {
+    this._tcb = aValue;
+  },
+
+  QueryInterface: function (aIID) {
+    if (aIID.equals(Components.interfaces.nsIHangReport) ||
+        aIID.equals(Components.interfaces.nsISupports))
+      return this;
+    throw Components.results.NS_NOINTERFACE;
+  },
+
+  userCanceled: function () {
+    this._tcb(this.TEST_CALLBACK_CANCELED);
+  },
+
+  terminateScript: function () {
+    this._tcb(this.TEST_CALLBACK_TERMSCRIPT);
+  },
+
+  terminatePlugin: function () {
+    this._tcb(this.TEST_CALLBACK_TERMPLUGIN);
+  },
+
+  isReportForBrowser: function(aFrameLoader) {
+    return true;
+  }
+};
+
+// on dev edition we add a button for js debugging of hung scripts.
+let buttonCount = (UpdateUtils.UpdateChannel == "aurora" ? 3 : 2);
+
+/**
+ * Test if hang reports receive a terminate script callback when the user selects
+ * stop in response to a script hang.
+ */
+
+add_task(function* terminateScriptTest() {
+  let promise = promiseNotificationShown(window, "process-hang");
+  Services.obs.notifyObservers(gTestHangReport, "process-hang-report", null);
+  let notification = yield promise;
+
+  let buttons = notification.currentNotification.getElementsByTagName("button");
+  // Fails on aurora on-push builds, bug 1232204
+  // is(buttons.length, buttonCount, "proper number of buttons");
+
+  // Click the "Stop It" button, we should get a terminate script callback
+  gTestHangReport.hangType = gTestHangReport.SLOW_SCRIPT;
+  promise = promiseReportCallMade(gTestHangReport.TEST_CALLBACK_TERMSCRIPT);
+  buttons[0].click();
+  yield promise;
+});
+
+/**
+ * Test if hang reports receive user canceled callbacks after a user selects wait
+ * and the browser frees up from a script hang on its own.
+ */
+
+add_task(function* waitForScriptTest() {
+  let promise = promiseNotificationShown(window, "process-hang");
+  Services.obs.notifyObservers(gTestHangReport, "process-hang-report", null);
+  let notification = yield promise;
+
+  let buttons = notification.currentNotification.getElementsByTagName("button");
+  // Fails on aurora on-push builds, bug 1232204
+  // is(buttons.length, buttonCount, "proper number of buttons");
+
+  yield pushPrefs(["browser.hangNotification.waitPeriod", 1000]);
+
+  function nocbcheck() {
+    ok(false, "received a callback?");
+  }
+  let oldcb = gTestHangReport.testCallback;
+  gTestHangReport.testCallback = nocbcheck;
+  // Click the "Wait" button this time, we shouldn't get a callback at all.
+  buttons[1].click();
+  gTestHangReport.testCallback = oldcb;
+
+  // send another hang pulse, we should not get a notification here
+  Services.obs.notifyObservers(gTestHangReport, "process-hang-report", null);
+  is(notification.currentNotification, null, "no notification should be visible");
+
+  gTestHangReport.testCallback = function() {};
+  Services.obs.notifyObservers(gTestHangReport, "clear-hang-report", null);
+  gTestHangReport.testCallback = oldcb;
+
+  yield popPrefs();
+});
+
+/**
+ * Test if hang reports receive user canceled callbacks after the content
+ * process stops sending hang notifications.
+ */
+
+add_task(function* hangGoesAwayTest() {
+  yield pushPrefs(["browser.hangNotification.expiration", 1000]);
+
+  let promise = promiseNotificationShown(window, "process-hang");
+  Services.obs.notifyObservers(gTestHangReport, "process-hang-report", null);
+  yield promise;
+
+  promise = promiseReportCallMade(gTestHangReport.TEST_CALLBACK_CANCELED);
+  Services.obs.notifyObservers(gTestHangReport, "clear-hang-report", null);
+  yield promise;
+
+  yield popPrefs();
+});
+
+/**
+ * Tests if hang reports receive a terminate plugin callback when the user selects
+ * stop in response to a plugin hang.
+ */
+
+add_task(function* terminatePluginTest() {
+  let promise = promiseNotificationShown(window, "process-hang");
+  Services.obs.notifyObservers(gTestHangReport, "process-hang-report", null);
+  let notification = yield promise;
+
+  let buttons = notification.currentNotification.getElementsByTagName("button");
+  // Fails on aurora on-push builds, bug 1232204
+  // is(buttons.length, buttonCount, "proper number of buttons");
+
+  // Click the "Stop It" button, we should get a terminate script callback
+  gTestHangReport.hangType = gTestHangReport.PLUGIN_HANG;
+  promise = promiseReportCallMade(gTestHangReport.TEST_CALLBACK_TERMPLUGIN);
+  buttons[0].click();
+  yield promise;
+});