diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_pause-exceptions-02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_pause-exceptions-02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,204 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Make sure that pausing on exceptions works after reload.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_pause-exceptions.html";
+
+let gTab, gDebuggee, gPanel, gDebugger;
+let gFrames, gVariables, gPrefs, gOptions;
+
+function test() {
+  initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
+    gTab = aTab;
+    gDebuggee = aDebuggee;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gFrames = gDebugger.DebuggerView.StackFrames;
+    gVariables = gDebugger.DebuggerView.Variables;
+    gPrefs = gDebugger.Prefs;
+    gOptions = gDebugger.DebuggerView.Options;
+
+    is(gPrefs.pauseOnExceptions, false,
+      "The pause-on-exceptions pref should be disabled by default.");
+    isnot(gOptions._pauseOnExceptionsItem.getAttribute("checked"), "true",
+      "The pause-on-exceptions menu item should not be checked.");
+
+    enablePauseOnExceptions()
+      .then(disableIgnoreCaughtExceptions)
+      .then(() => reloadActiveTab(gPanel, gDebugger.EVENTS.SOURCE_SHOWN))
+      .then(testPauseOnExceptionsAfterReload)
+      .then(disablePauseOnExceptions)
+      .then(enableIgnoreCaughtExceptions)
+      .then(() => closeDebuggerAndFinish(gPanel))
+      .then(null, aError => {
+        ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
+      });
+  });
+}
+
+function testPauseOnExceptionsAfterReload() {
+  let finished = waitForCaretAndScopes(gPanel, 19).then(() => {
+    info("Testing enabled pause-on-exceptions.");
+
+    is(gDebugger.gThreadClient.state, "paused",
+      "Should only be getting stack frames while paused.");
+    ok(isCaretPos(gPanel, 19),
+      "Should be paused on the debugger statement.");
+
+    let innerScope = gVariables.getScopeAtIndex(0);
+    let innerNodes = innerScope.target.querySelector(".variables-view-element-details").childNodes;
+
+    is(gFrames.itemCount, 1,
+      "Should have one frame.");
+    is(gVariables._store.length, 3,
+      "Should have three scopes.");
+
+    is(innerNodes[0].querySelector(".name").getAttribute("value"), "<exception>",
+      "Should have the right property name for <exception>.");
+    is(innerNodes[0].querySelector(".value").getAttribute("value"), "Error",
+      "Should have the right property value for <exception>.");
+
+    let finished = waitForCaretAndScopes(gPanel, 26).then(() => {
+      info("Testing enabled pause-on-exceptions and resumed after pause.");
+
+      is(gDebugger.gThreadClient.state, "paused",
+        "Should only be getting stack frames while paused.");
+      ok(isCaretPos(gPanel, 26),
+        "Should be paused on the debugger statement.");
+
+      let innerScope = gVariables.getScopeAtIndex(0);
+      let innerNodes = innerScope.target.querySelector(".variables-view-element-details").childNodes;
+
+      is(gFrames.itemCount, 1,
+        "Should have one frame.");
+      is(gVariables._store.length, 3,
+        "Should have three scopes.");
+
+      is(innerNodes[0].querySelector(".name").getAttribute("value"), "this",
+        "Should have the right property name for 'this'.");
+      is(innerNodes[0].querySelector(".value").getAttribute("value"), "<button>",
+        "Should have the right property value for 'this'.");
+
+      let finished = waitForDebuggerEvents(gPanel, gDebugger.EVENTS.AFTER_FRAMES_CLEARED).then(() => {
+        isnot(gDebugger.gThreadClient.state, "paused",
+          "Should not be paused after resuming.");
+        ok(isCaretPos(gPanel, 26),
+          "Should be idle on the debugger statement.");
+
+        ok(true, "Frames were cleared, debugger didn't pause again.");
+      });
+
+      EventUtils.sendMouseEvent({ type: "mousedown" },
+        gDebugger.document.getElementById("resume"),
+        gDebugger);
+
+      return finished;
+    });
+
+    EventUtils.sendMouseEvent({ type: "mousedown" },
+      gDebugger.document.getElementById("resume"),
+      gDebugger);
+
+    return finished;
+  });
+
+  // Spin the event loop before causing the debuggee to pause, to allow
+  // this function to return first.
+  executeSoon(() => {
+    EventUtils.sendMouseEvent({ type: "click" },
+      gDebuggee.document.querySelector("button"),
+      gDebuggee.window);
+  });
+
+  return finished;
+}
+
+function enablePauseOnExceptions() {
+  let deferred = promise.defer();
+
+  gDebugger.gThreadClient.addOneTimeListener("resumed", () => {
+    is(gPrefs.pauseOnExceptions, true,
+      "The pause-on-exceptions pref should now be enabled.");
+    is(gOptions._pauseOnExceptionsItem.getAttribute("checked"), "true",
+      "The pause-on-exceptions menu item should now be checked.");
+
+    ok(true, "Pausing on exceptions was enabled.");
+    deferred.resolve();
+  });
+
+  gOptions._pauseOnExceptionsItem.setAttribute("checked", "true");
+  gOptions._togglePauseOnExceptions();
+
+  return deferred.promise;
+}
+
+function disablePauseOnExceptions() {
+  let deferred = promise.defer();
+
+  gDebugger.gThreadClient.addOneTimeListener("resumed", () => {
+    is(gPrefs.pauseOnExceptions, false,
+      "The pause-on-exceptions pref should now be disabled.");
+    isnot(gOptions._pauseOnExceptionsItem.getAttribute("checked"), "true",
+      "The pause-on-exceptions menu item should now be unchecked.");
+
+    ok(true, "Pausing on exceptions was disabled.");
+    deferred.resolve();
+  });
+
+  gOptions._pauseOnExceptionsItem.setAttribute("checked", "false");
+  gOptions._togglePauseOnExceptions();
+
+  return deferred.promise;
+}
+
+function enableIgnoreCaughtExceptions() {
+  let deferred = promise.defer();
+
+  gDebugger.gThreadClient.addOneTimeListener("resumed", () => {
+    is(gPrefs.ignoreCaughtExceptions, true,
+      "The ignore-caught-exceptions pref should now be enabled.");
+    is(gOptions._ignoreCaughtExceptionsItem.getAttribute("checked"), "true",
+      "The ignore-caught-exceptions menu item should now be checked.");
+
+    ok(true, "Ignore caught exceptions was enabled.");
+    deferred.resolve();
+  });
+
+  gOptions._ignoreCaughtExceptionsItem.setAttribute("checked", "true");
+  gOptions._toggleIgnoreCaughtExceptions();
+
+  return deferred.promise;
+}
+
+function disableIgnoreCaughtExceptions() {
+  let deferred = promise.defer();
+
+  gDebugger.gThreadClient.addOneTimeListener("resumed", () => {
+    is(gPrefs.ignoreCaughtExceptions, false,
+      "The ignore-caught-exceptions pref should now be disabled.");
+    isnot(gOptions._ignoreCaughtExceptionsItem.getAttribute("checked"), "true",
+      "The ignore-caught-exceptions menu item should now be unchecked.");
+
+    ok(true, "Ignore caught exceptions was disabled.");
+    deferred.resolve();
+  });
+
+  gOptions._ignoreCaughtExceptionsItem.setAttribute("checked", "false");
+  gOptions._toggleIgnoreCaughtExceptions();
+
+  return deferred.promise;
+}
+
+registerCleanupFunction(function() {
+  gTab = null;
+  gDebuggee = null;
+  gPanel = null;
+  gDebugger = null;
+  gFrames = null;
+  gVariables = null;
+  gPrefs = null;
+  gOptions = null;
+});