michael@0: /* Any copyright is dedicated to the public domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: // Bug 741755 - Test that canGo{Back,Forward} and go{Forward,Back} work with
michael@0: // <iframe mozbrowser>.
michael@0: 
michael@0: "use strict";
michael@0: SimpleTest.waitForExplicitFinish();
michael@0: browserElementTestHelpers.setEnabledPref(true);
michael@0: browserElementTestHelpers.addPermission();
michael@0: 
michael@0: var iframe;
michael@0: function addOneShotIframeEventListener(event, fn) {
michael@0:   function wrapper(e) {
michael@0:     iframe.removeEventListener(event, wrapper);
michael@0:     fn(e);
michael@0:   };
michael@0: 
michael@0:   iframe.addEventListener(event, wrapper);
michael@0: }
michael@0: 
michael@0: function runTest() {
michael@0:   iframe = document.createElement('iframe');
michael@0:   SpecialPowers.wrap(iframe).mozbrowser = true;
michael@0: 
michael@0:   addOneShotIframeEventListener('mozbrowserloadend', function() {
michael@0:     SimpleTest.executeSoon(test2);
michael@0:   });
michael@0: 
michael@0:   iframe.src = browserElementTestHelpers.emptyPage1;
michael@0:   document.body.appendChild(iframe);
michael@0: }
michael@0: 
michael@0: function checkCanGoBackAndForward(canGoBack, canGoForward, nextTest) {
michael@0:   var seenCanGoBackResult = false;
michael@0:   iframe.getCanGoBack().onsuccess = function(e) {
michael@0:     is(seenCanGoBackResult, false, "onsuccess handler shouldn't be called twice.");
michael@0:     seenCanGoBackResult = true;
michael@0:     is(e.target.result, canGoBack);
michael@0:     maybeRunNextTest();
michael@0:   };
michael@0: 
michael@0:   var seenCanGoForwardResult = false;
michael@0:   iframe.getCanGoForward().onsuccess = function(e) {
michael@0:     is(seenCanGoForwardResult, false, "onsuccess handler shouldn't be called twice.");
michael@0:     seenCanGoForwardResult = true;
michael@0:     is(e.target.result, canGoForward);
michael@0:     maybeRunNextTest();
michael@0:   };
michael@0: 
michael@0:   function maybeRunNextTest() {
michael@0:     if (seenCanGoBackResult && seenCanGoForwardResult) {
michael@0:       nextTest();
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: function test2() {
michael@0:   checkCanGoBackAndForward(false, false, test3);
michael@0: }
michael@0: 
michael@0: function test3() {
michael@0:   addOneShotIframeEventListener('mozbrowserloadend', function() {
michael@0:     checkCanGoBackAndForward(true, false, test4);
michael@0:   });
michael@0: 
michael@0:   SimpleTest.executeSoon(function() {
michael@0:     iframe.src = browserElementTestHelpers.emptyPage2;
michael@0:   });
michael@0: }
michael@0: 
michael@0: function test4() {
michael@0:   addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0:     is(e.detail, browserElementTestHelpers.emptyPage3);
michael@0:     checkCanGoBackAndForward(true, false, test5);
michael@0:   });
michael@0: 
michael@0:   SimpleTest.executeSoon(function() {
michael@0:     iframe.src = browserElementTestHelpers.emptyPage3;
michael@0:   });
michael@0: }
michael@0: 
michael@0: function test5() {
michael@0:   addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0:     is(e.detail, browserElementTestHelpers.emptyPage2);
michael@0:     checkCanGoBackAndForward(true, true, test6);
michael@0:   });
michael@0:   iframe.goBack();
michael@0: }
michael@0: 
michael@0: function test6() {
michael@0:   addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0:     is(e.detail, browserElementTestHelpers.emptyPage1);
michael@0:     checkCanGoBackAndForward(false, true, SimpleTest.finish);
michael@0:   });
michael@0:   iframe.goBack();
michael@0: }
michael@0: 
michael@0: addEventListener('testready', runTest);