mirror of
https://github.com/jlengrand/webcomponentsjs.git
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54 lines
2.1 KiB
HTML
54 lines
2.1 KiB
HTML
<!doctype html>
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<!--
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@license
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Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<script src="../../tools/chai/chai.js"></script>
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<script src="../../tools/htmltest.js"></script>
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<script src="../../../src/ShadowDOM/ShadowDOM.js"></script>
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<script>
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// Note: this test will navigate away from the page. It is designed to be run
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// in an iframe. Use ShadowDOM/test/runner.html?grep=unload for running it by
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// itself.
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function runTest() {
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var assert = chai.assert;
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var doc = ShadowDOMPolyfill.wrap(document);
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var win = ShadowDOMPolyfill.wrap(window);
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// Note: IE gives `window` as the target for beforeunload/unload. Others give
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// document. It's not clear than anyone gets it right, my reading of the
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// current spec is target should be window for beforeunload, but is overridden
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// to be document for unload. Both events are dispatched on window:
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// http://www.whatwg.org/specs/web-apps/current-work/multipage/browsers.html#unloading-documents
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var expectedTarget = /Trident|Edge/.test(navigator.userAgent) ? win : doc;
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var beforeunloadCalled = 0;
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window.addEventListener('beforeunload', function(e) {
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beforeunloadCalled++;
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assert.equal(e.target, expectedTarget);
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});
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window.addEventListener('unload', function(e) {
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assert.equal(beforeunloadCalled, 1);
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assert.equal(e.target, expectedTarget);
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done();
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});
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location.href = 'about:blank';
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}
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document.addEventListener('DOMContentLoaded', function(e) {
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// Note: setTimeout makes IE happy. If document.readyState == 'interactive'
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// at the time we run the tests, IE won't fire an unload in the iframe.
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setTimeout(runTest, 0);
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});
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</script>
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