The Tor Browser / file comparison
comparison: dom/browser-element/mochitest/browserElement_BackForward.js
dom/browser-element/mochitest/browserElement_BackForward.js
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| 1 /* Any copyright is dedicated to the public domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 // Bug 741755 - Test that canGo{Back,Forward} and go{Forward,Back} work with | |
| 5 // <iframe mozbrowser>. | |
| 6 | |
| 7 "use strict"; | |
| 8 SimpleTest.waitForExplicitFinish(); | |
| 9 browserElementTestHelpers.setEnabledPref(true); | |
| 10 browserElementTestHelpers.addPermission(); | |
| 11 | |
| 12 var iframe; | |
| 13 function addOneShotIframeEventListener(event, fn) { | |
| 14 function wrapper(e) { | |
| 15 iframe.removeEventListener(event, wrapper); | |
| 16 fn(e); | |
| 17 }; | |
| 18 | |
| 19 iframe.addEventListener(event, wrapper); | |
| 20 } | |
| 21 | |
| 22 function runTest() { | |
| 23 iframe = document.createElement('iframe'); | |
| 24 SpecialPowers.wrap(iframe).mozbrowser = true; | |
| 25 | |
| 26 addOneShotIframeEventListener('mozbrowserloadend', function() { | |
| 27 SimpleTest.executeSoon(test2); | |
| 28 }); | |
| 29 | |
| 30 iframe.src = browserElementTestHelpers.emptyPage1; | |
| 31 document.body.appendChild(iframe); | |
| 32 } | |
| 33 | |
| 34 function checkCanGoBackAndForward(canGoBack, canGoForward, nextTest) { | |
| 35 var seenCanGoBackResult = false; | |
| 36 iframe.getCanGoBack().onsuccess = function(e) { | |
| 37 is(seenCanGoBackResult, false, "onsuccess handler shouldn't be called twice."); | |
| 38 seenCanGoBackResult = true; | |
| 39 is(e.target.result, canGoBack); | |
| 40 maybeRunNextTest(); | |
| 41 }; | |
| 42 | |
| 43 var seenCanGoForwardResult = false; | |
| 44 iframe.getCanGoForward().onsuccess = function(e) { | |
| 45 is(seenCanGoForwardResult, false, "onsuccess handler shouldn't be called twice."); | |
| 46 seenCanGoForwardResult = true; | |
| 47 is(e.target.result, canGoForward); | |
| 48 maybeRunNextTest(); | |
| 49 }; | |
| 50 | |
| 51 function maybeRunNextTest() { | |
| 52 if (seenCanGoBackResult && seenCanGoForwardResult) { | |
| 53 nextTest(); | |
| 54 } | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 function test2() { | |
| 59 checkCanGoBackAndForward(false, false, test3); | |
| 60 } | |
| 61 | |
| 62 function test3() { | |
| 63 addOneShotIframeEventListener('mozbrowserloadend', function() { | |
| 64 checkCanGoBackAndForward(true, false, test4); | |
| 65 }); | |
| 66 | |
| 67 SimpleTest.executeSoon(function() { | |
| 68 iframe.src = browserElementTestHelpers.emptyPage2; | |
| 69 }); | |
| 70 } | |
| 71 | |
| 72 function test4() { | |
| 73 addOneShotIframeEventListener('mozbrowserlocationchange', function(e) { | |
| 74 is(e.detail, browserElementTestHelpers.emptyPage3); | |
| 75 checkCanGoBackAndForward(true, false, test5); | |
| 76 }); | |
| 77 | |
| 78 SimpleTest.executeSoon(function() { | |
| 79 iframe.src = browserElementTestHelpers.emptyPage3; | |
| 80 }); | |
| 81 } | |
| 82 | |
| 83 function test5() { | |
| 84 addOneShotIframeEventListener('mozbrowserlocationchange', function(e) { | |
| 85 is(e.detail, browserElementTestHelpers.emptyPage2); | |
| 86 checkCanGoBackAndForward(true, true, test6); | |
| 87 }); | |
| 88 iframe.goBack(); | |
| 89 } | |
| 90 | |
| 91 function test6() { | |
| 92 addOneShotIframeEventListener('mozbrowserlocationchange', function(e) { | |
| 93 is(e.detail, browserElementTestHelpers.emptyPage1); | |
| 94 checkCanGoBackAndForward(false, true, SimpleTest.finish); | |
| 95 }); | |
| 96 iframe.goBack(); | |
| 97 } | |
| 98 | |
| 99 addEventListener('testready', runTest); |
