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