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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/custom-elements/custom-element-registry/define.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<!DOCTYPE html>
+<title>Custom Elements: Element definition</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<div id="log"></div>
+<iframe id="iframe"></iframe>
+<script>
+'use strict';
+(() => {
+ // Element definition
+ // https://html.spec.whatwg.org/multipage/scripting.html#element-definition
+
+ // Use window from iframe to isolate the test.
+ const testWindow = iframe.contentDocument.defaultView;
+ const customElements = testWindow.customElements;
+
+ let testable = false;
+ test(() => {
+ assert_true('customElements' in testWindow, '"window.customElements" exists');
+ assert_true('define' in customElements, '"window.customElements.define" exists');
+ testable = true;
+ }, '"window.customElements.define" should exists');
+ if (!testable)
+ return;
+
+ const expectTypeError = TypeError.prototype;
+ // Following errors are DOMException, not JavaScript errors.
+ const expectSyntaxError = 'SYNTAX_ERR';
+ const expectNotSupportedError = 'NOT_SUPPORTED_ERR';
+
+ // 1. If IsConstructor(constructor) is false,
+ // then throw a TypeError and abort these steps.
+ test(() => {
+ assert_throws(expectTypeError, () => {
+ customElements.define();
+ });
+ }, 'If no arguments, should throw a TypeError');
+ test(() => {
+ assert_throws(expectTypeError, () => {
+ customElements.define('test-define-one-arg');
+ });
+ }, 'If one argument, should throw a TypeError');
+ [
+ [ 'undefined', undefined ],
+ [ 'null', null ],
+ [ 'object', {} ],
+ [ 'string', 'string' ],
+ [ 'arrow function', () => {} ], // IsConstructor returns false for arrow functions
+ [ 'method', ({ m() { } }).m ], // IsConstructor returns false for methods
+ ].forEach(t => {
+ test(() => {
+ assert_throws(expectTypeError, () => {
+ customElements.define(`test-define-constructor-${t[0]}`, t[1]);
+ });
+ }, `If constructor is ${t[0]}, should throw a TypeError`);
+ });
+
+ // 2. If name is not a valid custom element name,
+ // then throw a SyntaxError and abort these steps.
+ let validCustomElementNames = [
+ // [a-z] (PCENChar)* '-' (PCENChar)*
+ // https://html.spec.whatwg.org/multipage/scripting.html#valid-custom-element-name
+ 'a-',
+ 'a-a',
+ 'aa-',
+ 'aa-a',
+ 'a-.-_',
+ 'a-0123456789',
+ 'a-\u6F22\u5B57', // Two CJK Unified Ideographs
+ 'a-\uD840\uDC0B', // Surrogate pair U+2000B
+ ];
+ let invalidCustomElementNames = [
+ undefined,
+ null,
+ '',
+ '-',
+ 'a',
+ 'input',
+ 'mycustomelement',
+ 'A',
+ 'A-',
+ '0-',
+ 'a-A',
+ 'a-Z',
+ 'A-a',
+ 'a-a\u00D7',
+ 'a-a\u3000',
+ 'a-a\uDB80\uDC00', // Surrogate pair U+F0000
+ // name must not be any of the hyphen-containing element names.
+ 'annotation-xml',
+ 'color-profile',
+ 'font-face',
+ 'font-face-src',
+ 'font-face-uri',
+ 'font-face-format',
+ 'font-face-name',
+ 'missing-glyph',
+ ];
+ validCustomElementNames.forEach(name => {
+ test(() => {
+ customElements.define(name, class {});
+ }, `Element names: defining an element named ${name} should succeed`);
+ });
+ invalidCustomElementNames.forEach(name => {
+ test(() => {
+ assert_throws(expectSyntaxError, () => {
+ customElements.define(name, class {});
+ });
+ }, `Element names: defining an element named ${name} should throw a SyntaxError`);
+ });
+
+ // 3. If this CustomElementRegistry contains an entry with name name,
+ // then throw a NotSupportedError and abort these steps.
+ test(() => {
+ customElements.define('test-define-dup-name', class {});
+ assert_throws(expectNotSupportedError, () => {
+ customElements.define('test-define-dup-name', class {});
+ });
+ }, 'If the name is already defined, should throw a NotSupportedError');
+
+ // 5. If this CustomElementRegistry contains an entry with constructor constructor,
+ // then throw a NotSupportedError and abort these steps.
+ test(() => {
+ class TestDupConstructor {};
+ customElements.define('test-define-dup-constructor', TestDupConstructor);
+ assert_throws(expectNotSupportedError, () => {
+ customElements.define('test-define-dup-ctor2', TestDupConstructor);
+ });
+ }, 'If the constructor is already defined, should throw a NotSupportedError');
+
+ // 9.1. If extends is a valid custom element name,
+ // then throw a NotSupportedError.
+ validCustomElementNames.forEach(name => {
+ test(() => {
+ assert_throws(expectNotSupportedError, () => {
+ customElements.define('test-define-extend-valid-name', class {}, { extends: name });
+ });
+ }, `If extends is ${name}, should throw a NotSupportedError`);
+ });
+
+ // 9.2. If the element interface for extends and the HTML namespace is HTMLUnknownElement
+ // (e.g., if extends does not indicate an element definition in this specification),
+ // then throw a NotSupportedError.
+ [
+ // https://html.spec.whatwg.org/multipage/dom.html#elements-in-the-dom:htmlunknownelement
+ 'bgsound',
+ 'blink',
+ 'isindex',
+ 'multicol',
+ 'nextid',
+ 'spacer',
+ 'elementnametobeunknownelement',
+ ].forEach(name => {
+ test(() => {
+ assert_throws(expectNotSupportedError, () => {
+ customElements.define('test-define-extend-' + name, class {}, { extends: name });
+ });
+ }, `If extends is ${name}, should throw a NotSupportedError`);
+ });
+
+ // 12.1. Let prototype be Get(constructor, "prototype"). Rethrow any exceptions.
+ function assert_rethrown(func, description) {
+ assert_throws({ name: 'rethrown' }, func, description);
+ }
+ function throw_rethrown_error() {
+ const e = new Error('check this is rethrown');
+ e.name = 'rethrown';
+ throw e;
+ }
+ test(() => {
+ // Hack for prototype to throw while IsConstructor is true.
+ const BadConstructor = (function () { }).bind({});
+ Object.defineProperty(BadConstructor, 'prototype', {
+ get() { throw_rethrown_error(); }
+ });
+ assert_rethrown(() => {
+ customElements.define('test-define-constructor-prototype-rethrow', BadConstructor);
+ });
+ }, 'If constructor.prototype throws, should rethrow');
+
+ // 12.2. If Type(prototype) is not Object,
+ // then throw a TypeError exception.
+ test(() => {
+ const c = (function () { }).bind({}); // prototype is undefined.
+ assert_throws(expectTypeError, () => {
+ customElements.define('test-define-constructor-prototype-undefined', c);
+ });
+ }, 'If Type(constructor.prototype) is undefined, should throw a TypeError');
+ test(() => {
+ function c() {};
+ c.prototype = 'string';
+ assert_throws(expectTypeError, () => {
+ customElements.define('test-define-constructor-prototype-string', c);
+ });
+ }, 'If Type(constructor.prototype) is string, should throw a TypeError');
+
+ // 12.3. Let lifecycleCallbacks be a map with the four keys "connectedCallback",
+ // "disconnectedCallback", "adoptedCallback", and "attributeChangedCallback",
+ // each of which belongs to an entry whose value is null.
+ // 12.4. For each of the four keys callbackName in lifecycleCallbacks:
+ // 12.4.1. Let callbackValue be Get(prototype, callbackName). Rethrow any exceptions.
+ // 12.4.2. If callbackValue is not undefined, then set the value of the entry in
+ // lifecycleCallbacks with key callbackName to the result of converting callbackValue
+ // to the Web IDL Function callback type. Rethrow any exceptions from the conversion.
+ [
+ 'connectedCallback',
+ 'disconnectedCallback',
+ 'adoptedCallback',
+ 'attributeChangedCallback',
+ ].forEach(name => {
+ test(() => {
+ class C {
+ get [name]() { throw_rethrown_error(); }
+ }
+ assert_rethrown(() => {
+ customElements.define(`test-define-${name.toLowerCase()}-rethrow`, C);
+ });
+ }, `If constructor.prototype.${name} throws, should rethrow`);
+
+ [
+ { name: 'undefined', value: undefined, success: true },
+ { name: 'function', value: function () { }, success: true },
+ { name: 'null', value: null, success: false },
+ { name: 'object', value: {}, success: false },
+ { name: 'integer', value: 1, success: false },
+ ].forEach(data => {
+ test(() => {
+ class C { };
+ C.prototype[name] = data.value;
+ if (data.success) {
+ customElements.define(`test-define-${name.toLowerCase()}-${data.name}`, C);
+ } else {
+ assert_throws(expectTypeError, () => {
+ customElements.define(`test-define-${name.toLowerCase()}-${data.name}`, C);
+ });
+ }
+ }, `If constructor.prototype.${name} is ${data.name}, should ${data.success ? 'succeed' : 'throw a TypeError'}`);
+ });
+ });
+})();
+</script>
+</body>
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