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32 lines
1.1 KiB
HTML
32 lines
1.1 KiB
HTML
<!doctype html>
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<title>opener and embedded documents; using window.open()</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div id=log></div>
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<iframe name=matchesastring></iframe>
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<script>
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async_test(t => {
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const frame = document.querySelector("iframe");
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frame.onload = t.step_func(() => {
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// Firefox and Chrome/Safari load differently
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if (frame.contentWindow.location.href === "about:blank") {
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return;
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}
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// Test bits
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assert_equals(frame.contentWindow.opener, window, "opener before setting it to null");
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const openerDesc = Object.getOwnPropertyDescriptor(frame.contentWindow, "opener"),
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openerGet = openerDesc.get;
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assert_equals(openerGet(), window, "opener before setting it to null via directly invoking the getter");
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frame.contentWindow.opener = null;
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frame.contentWindow.opener = "immaterial";
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assert_equals(openerGet(), null, "opener after setting it to null via directly invoking the getter");
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assert_equals(frame.contentWindow.opener, "immaterial");
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t.done();
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});
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window.open("/common/blank.html", "matchesastring");
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});
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</script>
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