Bug 1155493 - Part 4 - Add test for mozbrowsercaretstatechanged. r=kanru

dom/browser-element/mochitest/browserElementTestHelpers.js

@@ -65,6 +65,10 @@ const browserElementTestHelpers = {
     this._setPref('selectioncaret.enabled', value);
   },
 
+  setAccessibleCaretEnabledPref: function(value) {
+    this._setPref('layout.accessiblecaret.enabled', value);
+  },
+
   getOOPByDefaultPref: function() {
     return this._getBoolPref("dom.ipc.browser_frames.oop_by_default");
   },

dom/browser-element/mochitest/browserElement_CopyPaste.js

@@ -6,8 +6,10 @@
 
 SimpleTest.waitForExplicitFinish();
 SimpleTest.requestFlakyTimeout("untriaged");
+SimpleTest.requestLongerTimeout(2); // slow on android
 browserElementTestHelpers.setEnabledPref(true);
-browserElementTestHelpers.setSelectionChangeEnabledPref(true);
+browserElementTestHelpers.setSelectionChangeEnabledPref(false);
+browserElementTestHelpers.setAccessibleCaretEnabledPref(true);
 browserElementTestHelpers.addPermission();
 const { Services } = SpecialPowers.Cu.import('resource://gre/modules/Services.jsm');
 
@@ -21,6 +23,7 @@ var defaultData;
 var pasteData;
 var focusScript;
 var createEmbededFrame = false;
+var testSelectionChange = false;
 
 function copyToClipboard(str) {
   gTextarea.value = str;
@@ -89,6 +92,14 @@ function doCommand(cmd) {
                                'copypaste-docommand', cmd);
 }
 
+function rerunTest() {
+  // clean up and run test again.
+  document.body.removeChild(iframeOuter);
+  document.body.removeChild(gTextarea);
+  state = 0;
+  runTest();
+}
+
 function dispatchTest(e) {
   iframeInner.addEventListener("mozbrowserloadend", function onloadend2(e) {
     iframeInner.removeEventListener("mozbrowserloadend", onloadend2);
@@ -160,15 +171,23 @@ function dispatchTest(e) {
       break;
     default:
       if (createEmbededFrame || browserElementTestHelpers.getOOPByDefaultPref()) {
-        SimpleTest.finish();
+        if (testSelectionChange) {
+          SimpleTest.finish();
+          return;
+        } else {
+          testSelectionChange = true;
+          createEmbededFrame = false;
+          SpecialPowers.pushPrefEnv(
+            {'set':
+              [['selectioncaret.enabled', true],
+               ['layout.accessiblecaret.enabled', false]]},
+            function() {
+              rerunTest();
+          });
+        }
       } else {
         createEmbededFrame = true;
-
-        // clean up and run test again.
-        document.body.removeChild(iframeOuter);
-        document.body.removeChild(gTextarea);
-        state = 0;
-        runTest();
+        rerunTest();
       }
       break;
   }
@@ -183,14 +202,17 @@ function isChildProcess() {
 function testSelectAll(e) {
   // Skip mozbrowser test if we're at child process.
   if (!isChildProcess()) {
-    iframeOuter.addEventListener("mozbrowserselectionstatechanged", function selectchangeforselectall(e) {
-      if (e.detail.states.indexOf('selectall') == 0) {
-        iframeOuter.removeEventListener("mozbrowserselectionstatechanged", selectchangeforselectall, true);
+    let eventName = testSelectionChange ? "mozbrowserselectionstatechanged" : "mozbrowsercaretstatechanged";
+    iframeOuter.addEventListener(eventName, function selectchangeforselectall(e) {
+      if (!e.detail.states || e.detail.states.indexOf('selectall') == 0) {
+        iframeOuter.removeEventListener(eventName, selectchangeforselectall, true);
         ok(true, "got mozbrowserselectionstatechanged event." + stateMeaning);
         ok(e.detail, "event.detail is not null." + stateMeaning);
         ok(e.detail.width != 0, "event.detail.width is not zero" + stateMeaning);
         ok(e.detail.height != 0, "event.detail.height is not zero" + stateMeaning);
-        ok(e.detail.states, "event.detail.state " + e.detail.states);
+        if (testSelectionChange) {
+          ok(e.detail.states, "event.detail.state " + e.detail.states);
+        }
         SimpleTest.executeSoon(function() { testCopy1(e); });
       }
     }, true);