gecko/dom/browser-element/mochitest/browserElement_DOMRequestError.js

64 lines
1.8 KiB
JavaScript

/* 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');
iframe1.setAttribute('mozbrowser', 'true');
iframe1.src = 'data:text/html,<html>' +
'<body style="background:green">hello</body></html>';
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);