third_party/WebKit/LayoutTests/fast/dom/shadow/offset-parent-does-not-leak-ua-shadow.html - Issue 2051703002: Implement closed shadow adjustment for Element.offsetParent

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Issue 2051703002: Implement closed shadow adjustment for Element.offsetParent (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Add one more test case. Created 4 years, 5 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <script src="../../../resources/js-test.js"></script>	2 <script src="../../../resources/js-test.js"></script>

3 <body>	3 <body>

4 <div id="container" style="position: relative;"></div>	4 <div id="container" style="position: relative;"></div>

5 <script>	5 <script>

6 description('offsetParent should not leak nodes in user agent Shadow DOM.');	6 description('offsetParent should not leak nodes in user agent Shadow DOM.');

7	7

8 if (!window.internals)	8 if (!window.internals)

9 fail('This test requires window.internals to manipulate user agent Shadow DO M.');	9 fail('This test requires window.internals to manipulate user agent Shadow DO M.');

10	10

(...skipping 13 matching lines...) Expand all Loading...
24 var shadow = host.createShadowRoot();	24 var shadow = host.createShadowRoot();

25 configureShadowRoot(shadow);	25 configureShadowRoot(shadow);

26 shouldBe('child.offsetParent', 'shadow.positionedElement');	26 shouldBe('child.offsetParent', 'shadow.positionedElement');

27	27

28 // Test that offsetParent works 'through' Shadow DOM when there is no	28 // Test that offsetParent works 'through' Shadow DOM when there is no

29 // positioned ancestor in user agent Shadow DOM	29 // positioned ancestor in user agent Shadow DOM

30 shadow.positionedElement.removeAttribute('style');	30 shadow.positionedElement.removeAttribute('style');

31 shouldBe('child.offsetParent', 'container');	31 shouldBe('child.offsetParent', 'container');

32	32

33 // Test that when the offsetParent is in user agent Shadow DOM, it is	33 // Test that when the offsetParent is in user agent Shadow DOM, it is

34 // not exposed to script	34 // not exposed to script, but its shadow host or the host's ancestor

	35 // which is appropriate as an offsetParent is returned.

35 host = document.createElement('details');	36 host = document.createElement('details');

36 container.appendChild(host);	37 container.appendChild(host);

37 host.setAttribute('open', 'open');	38 host.setAttribute('open', 'open');

38 host.appendChild(child);	39 host.appendChild(child);

39 var shadow = window.internals.youngestShadowRoot(host); // this is a UA shadow root	40 var shadow = window.internals.youngestShadowRoot(host); // this is a UA shadow root

40 configureShadowRoot(shadow);	41 configureShadowRoot(shadow);

41 shouldBe('child.offsetParent', 'null');	42 shouldBe('child.offsetParent', 'container');

42	43

43 // Test that offsetParent works 'through' user agent Shadow DOM when there is no	44 // Test that offsetParent works 'through' user agent Shadow DOM when there is no

44 // positioned ancestor in user agent Shadow DOM	45 // positioned ancestor in user agent Shadow DOM

45 shadow.positionedElement.removeAttribute('style');	46 shadow.positionedElement.removeAttribute('style');

46 shouldBe('child.offsetParent', 'container');	47 shouldBe('child.offsetParent', 'container');

47	48

48 container.remove();	49 container.remove();

49	50

50 successfullyParsed = true;	51 successfullyParsed = true;

51 </script>	52 </script>

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