diff -r 000000000000 -r 6474c204b198 dom/browser-element/mochitest/browserElement_DOMRequestError.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dom/browser-element/mochitest/browserElement_DOMRequestError.js Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,63 @@ +/* Any copyright is dedicated to the public domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test if DOMRequest returned by an iframe gets an error callback when +// the iframe is not in the DOM. +"use strict"; + +SimpleTest.waitForExplicitFinish(); +browserElementTestHelpers.setEnabledPref(true); +browserElementTestHelpers.addPermission(); + +function runTest() { + var iframe1 = document.createElement('iframe'); + SpecialPowers.wrap(iframe1).mozbrowser = true; + iframe1.src = 'data:text/html,' + + 'hello'; + document.body.appendChild(iframe1); + + function testIframe(beforeRun, isErrorExpected, nextTest) { + return function() { + var error = false; + if (beforeRun) + beforeRun(); + function testEnd() { + is(isErrorExpected, error); + SimpleTest.executeSoon(nextTest); + } + + var domRequest = iframe1.getScreenshot(1000, 1000); + domRequest.onsuccess = function(e) { + testEnd(); + } + domRequest.onerror = function(e) { + error = true; + testEnd(); + } + }; + } + + function iframeLoadedHandler() { + iframe1.removeEventListener('mozbrowserloadend', iframeLoadedHandler); + // Test 1: iframe is in the DOM. + // Test 2: iframe is removed from the DOM. + // Test 3: iframe is added back into the DOM. + var test3 = testIframe( + function() { + document.body.appendChild(iframe1); + }, false, + function() { + SimpleTest.finish(); + }) + ; + var test2 = testIframe(function() { + document.body.removeChild(iframe1); + }, true, test3); + var test1 = testIframe(null, false, test2); + SimpleTest.executeSoon(test1); + } + + iframe1.addEventListener('mozbrowserloadend', iframeLoadedHandler); +} + +addEventListener('testready', runTest);