third_party/WebKit/LayoutTests/custom-elements/spec/custom-elements-registry/when_defined.html - Issue 2277713002: Rename CustomElementsRegistry to CustomElementRegistry

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Issue 2277713002: Rename CustomElementsRegistry to CustomElementRegistry (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase Created 4 years, 3 months ago

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

2 <title>Custom Elements: CustomElementsRegistry.whenDefined</title>	2 <title>Custom Elements: CustomElementRegistry.whenDefined</title>

3 <script src="../../../resources/testharness.js"></script>	3 <script src="../../../resources/testharness.js"></script>

4 <script src="../../../resources/testharnessreport.js"></script>	4 <script src="../../../resources/testharnessreport.js"></script>

5 <script src="../resources/custom-elements-helpers.js"></script>	5 <script src="../resources/custom-elements-helpers.js"></script>

6 <body>	6 <body>

7 <div id="log"></div>	7 <div id="log"></div>

8 <script>	8 <script>

9 'use strict';	9 'use strict';

10 (() => {	10 (() => {

11 // https://html.spec.whatwg.org/multipage/scripting.html#dom-customelementsreg istry-whendefined	11 // https://html.spec.whatwg.org/multipage/scripting.html#dom-customelementregi stry-whendefined

12 // Use window from iframe to isolate the test.	12 // Use window from iframe to isolate the test.

13 function setup() {	13 function setup() {

14 const iframe = document.createElement('iframe');	14 const iframe = document.createElement('iframe');

15 document.body.appendChild(iframe);	15 document.body.appendChild(iframe);

16 const testWindow = iframe.contentWindow;	16 const testWindow = iframe.contentWindow;

17 const customElements = testWindow.customElements;	17 const customElements = testWindow.customElements;

18 if (!customElements)	18 if (!customElements)

19 return Promise.reject('This test requires window.customElements');	19 return Promise.reject('This test requires window.customElements');

20 if (!('whenDefined' in customElements))	20 if (!('whenDefined' in customElements))

21 return Promise.reject('This test requires window.customElements.whenDefine d');	21 return Promise.reject('This test requires window.customElements.whenDefine d');

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36 // 5. Let promise be the value of the entry in map with key name.	36 // 5. Let promise be the value of the entry in map with key name.

37 // 6. Return promise	37 // 6. Return promise

38 assert_equals(promiseBeforeDefined,	38 assert_equals(promiseBeforeDefined,

39 customElements.whenDefined(kNameToBeDefined),	39 customElements.whenDefined(kNameToBeDefined),

40 'There is only one promise defined before.');	40 'There is only one promise defined before.');

41 const promiseNotDefined = customElements.whenDefined(kNameNotDefined);	41 const promiseNotDefined = customElements.whenDefined(kNameNotDefined);

42 promiseNotDefined.then(() => notDefined = false);	42 promiseNotDefined.then(() => notDefined = false);

43 assert_not_equals(promiseBeforeDefined, promiseNotDefined,	43 assert_not_equals(promiseBeforeDefined, promiseNotDefined,

44 'whenDefined() returns different promises for different names.');	44 'whenDefined() returns different promises for different names.');

45 customElements.define(kNameToBeDefined, class {});	45 customElements.define(kNameToBeDefined, class {});

46 // 3. If this CustomElementsRegistry contains an entry with name name,	46 // 3. If this CustomElementRegistry contains an entry with name name,

47 // then return a new promise resolved with undefined and abort these	47 // then return a new promise resolved with undefined and abort these

48 // steps.	48 // steps.

49 const promiseAfterDefined = customElements.whenDefined(kNameToBeDefined);	49 const promiseAfterDefined = customElements.whenDefined(kNameToBeDefined);

50 promiseAfterDefined.then(() => afterDefined = true);	50 promiseAfterDefined.then(() => afterDefined = true);

51 assert_not_equals(promiseBeforeDefined, promiseAfterDefined,	51 assert_not_equals(promiseBeforeDefined, promiseAfterDefined,

52 'When name is defined, we should have a new promise.');	52 'When name is defined, we should have a new promise.');

53 assert_not_equals(promiseAfterDefined,	53 assert_not_equals(promiseAfterDefined,

54 customElements.whenDefined(kNameToBeDefined),	54 customElements.whenDefined(kNameToBeDefined),

55 'Once name is defined, whenDefined() always returns a new promise.');	55 'Once name is defined, whenDefined() always returns a new promise.');

56 return customElements;	56 return customElements;

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92 });	92 });

93	93

94 function promise_rejects_with_dom_exception_syntax_error(global_context, test, promise, description) {	94 function promise_rejects_with_dom_exception_syntax_error(global_context, test, promise, description) {

95 return promise.then(test.unreached_func("Should have rejected: " + descripti on)).catch(function(e) {	95 return promise.then(test.unreached_func("Should have rejected: " + descripti on)).catch(function(e) {

96 assert_throws_dom_exception(global_context, 'SYNTAX_ERR', function () { throw e; })	96 assert_throws_dom_exception(global_context, 'SYNTAX_ERR', function () { throw e; })

97 });	97 });

98 }	98 }

99 })();	99 })();

100 </script>	100 </script>

101 </body>	101 </body>

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