LayoutTests/fast/dom/custom/element-upgrade.html - Issue 23009004: Process Custom Elements in post-order.

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Issue 23009004: Process Custom Elements in post-order. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Patch for landing. Created 7 years, 4 months ago

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

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

3 <div id="container"></div>	3 <div id="container"></div>

4 <script>	4 <script>

5 description('Tests the element upgrade algorithm.');	5 description('Tests the element upgrade algorithm.');

6	6

7 // "Element Upgrade" is the processing of custom elements which were	7 // "Element Upgrade" is the processing of custom elements which were

8 // created before their definition was available, when the definition	8 // created before their definition was available, when the definition

9 // becomes available. The following scenarios cover a lot but are not	9 // becomes available. The following scenarios cover a lot but are not

10 // exhaustive.	10 // exhaustive.

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38 shouldBe('Object.getPrototypeOf(element)', 'HTMLElement.prototype');	38 shouldBe('Object.getPrototypeOf(element)', 'HTMLElement.prototype');

39	39

40 // Scenario D: The candidate is a type extension, but the definition	40 // Scenario D: The candidate is a type extension, but the definition

41 // extends a different tag. Upgrade should not happen.	41 // extends a different tag. Upgrade should not happen.

42 document.body.appendChild(host);	42 document.body.appendChild(host);

43 host.innerHTML = '<span is="x-d"></span>';	43 host.innerHTML = '<span is="x-d"></span>';

44 var D = document.register('x-d', {prototype: Object.create(HTMLDivElement.protot ype)});	44 var D = document.register('x-d', {prototype: Object.create(HTMLDivElement.protot ype)});

45 shouldBeFalse('host.firstChild instanceof D');	45 shouldBeFalse('host.firstChild instanceof D');

46 shouldBe('document.querySelector(":unresolved")', 'host.firstChild');	46 shouldBe('document.querySelector(":unresolved")', 'host.firstChild');

47	47

48 // Scenario E: The order of upgrades should be the reverse of their creation.	48 // Scenario E: The order of upgrades should be the order of completing parsing.

49 // Use a good number of elements to avoid false positives from random correct or dering.	49 // Use a good number of elements to avoid false positives from random correct or dering.

50 host.innerHTML = '<x-e id="e1"><x-e id="e2"></x-e></x-e><x-e id="e3"></x-e><x-e id="e4"></x-e><x-e id="e5"></x-e>';	50 host.innerHTML = '<x-e id="e1"><x-e id="e2"></x-e></x-e><x-e id="e3"></x-e><x-e id="e4"></x-e><x-e id="e5"></x-e>';

51 var upgradedOrder = [];	51 var upgradedOrder = [];

52 var protoE = Object.create(HTMLElement.prototype);	52 var protoE = Object.create(HTMLElement.prototype);

53 protoE.createdCallback = function() { upgradedOrder.push(this.id); };	53 protoE.createdCallback = function() { upgradedOrder.push(this.id); };

54 document.register('x-e', {prototype: protoE});	54 document.register('x-e', {prototype: protoE});

55 shouldBe('upgradedOrder', '["e5","e4","e3","e2","e1"]');	55 shouldBe('upgradedOrder', '["e2","e1","e3","e4","e5"]');

56	56

57 successfullyParsed = true;	57 successfullyParsed = true;

58 </script>	58 </script>

59 <script src="../../js/resources/js-test-post.js"></script>	59 <script src="../../js/resources/js-test-post.js"></script>

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