third_party/WebKit/LayoutTests/fast/loader/crash-focus-in-unload.html - Issue 2692423006: Fix stale focusedElement in unloaded document.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/loader/crash-focus-in-unload.html

Issue 2692423006: Fix stale focusedElement in unloaded document. (Closed)

Patch Set: Check nullptr. Created 3 years, 10 months ago

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	1 <!DOCTYPE html>

	2 <script src='../../resources/testharness.js'></script>

	3 <script src='../../resources/testharnessreport.js'></script>

	4 <body>

	5 <iframe></iframe>

	6 </body>

	7 <script>

	8 'use strict';

	9

	10 let iframe = document.querySelector('iframe');

	11 let iframeDoc = iframe.contentDocument;

	12

	13 let focusableIframe = document.createElement('iframe');

	14 iframeDoc.body.appendChild(focusableIframe);

	15

	16 focusableIframe.contentWindow.addEventListener('unload', () => {

	17 // Try to focus on frame owner during unload event of its content.

	18 focusableIframe.focus();

	19 });

	20

	21 test(() => {

	22 // Trigger unload event.

	23 document.body.appendChild(focusableIframe);

	24

	25 var input = document.createElement('input');

	26 iframeDoc.body.appendChild(input);

	27 input.focus();

	28 assert_true(true, 'This test must run without crash.');

	29 }, 'Should not trigger assertion. crbug.com/677690');

	30 </script>

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