зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
1.8 KiB
JavaScript
65 строки
1.8 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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// Test if DOMRequest returned by an iframe gets an error callback when
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// the iframe is not in the DOM.
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"use strict";
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SimpleTest.waitForExplicitFinish();
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function runTest() {
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browserElementTestHelpers.setEnabledPref(true);
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browserElementTestHelpers.addPermission();
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var iframe1 = document.createElement('iframe');
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iframe1.mozbrowser = true;
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iframe1.src = 'data:text/html,<html>' +
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'<body style="background:green">hello</body></html>';
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document.body.appendChild(iframe1);
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function testIframe(beforeRun, isErrorExpected, nextTest) {
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return function() {
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var error = false;
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if (beforeRun)
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beforeRun();
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function testEnd() {
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is(isErrorExpected, error);
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SimpleTest.executeSoon(nextTest);
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}
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var domRequest = iframe1.getScreenshot();
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domRequest.onsuccess = function(e) {
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testEnd();
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}
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domRequest.onerror = function(e) {
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error = true;
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testEnd();
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}
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};
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}
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function iframeLoadedHandler() {
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iframe1.removeEventListener('mozbrowserloadend', iframeLoadedHandler);
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// Test 1: iframe is in the DOM.
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// Test 2: iframe is removed from the DOM.
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// Test 3: iframe is added back into the DOM.
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var test3 = testIframe(
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function() {
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document.body.appendChild(iframe1);
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}, false,
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function() {
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SimpleTest.finish();
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})
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;
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var test2 = testIframe(function() {
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document.body.removeChild(iframe1);
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}, true, test3);
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var test1 = testIframe(null, false, test2);
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SimpleTest.executeSoon(test1);
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}
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iframe1.addEventListener('mozbrowserloadend', iframeLoadedHandler);
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}
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addEventListener('load', function() { SimpleTest.executeSoon(runTest); });
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