mirror of https://github.com/tc39/test262.git
119 lines
3.3 KiB
JavaScript
119 lines
3.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/class-elements/static-field-declaration.case
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// - src/class-elements/default/cls-decl.template
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/*---
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description: Static fields are defined using DefineField (field definitions in a class declaration)
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esid: prod-FieldDefinition
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features: [class-static-fields-public, class]
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flags: [generated]
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includes: [propertyHelper.js]
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info: |
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Updated Productions
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ClassElement :
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...
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static FieldDefinition ;
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FieldDefinition :
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ClassElementName Initializer_opt
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ClassElementName :
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PropertyName
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PropertyName :
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LiteralPropertyName
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ComputedPropertyName
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LiteralPropertyName :
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IdentifierName
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StringLiteral
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NumericLiteral
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ClassDefinitionEvaluation:
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...
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27. Let staticFields be a new empty List.
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28. For each ClassElement e in order from elements,
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a. If IsStatic of e is false, then
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...
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b. Else,
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i. Let field be the result of performing PropertyDefinitionEvaluation for mClassElementEvaluation for e with arguments F and false.
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c. If field is an abrupt completion, then
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...
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d. If field is not empty,
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i. If IsStatic of e is false, append field to instanceFields.
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ii. Otherwise, append field to staticFields.
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34. For each item fieldRecord in order from staticFields,
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a. Perform ? DefineField(F, field).
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...
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DefineField(receiver, fieldRecord)
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1. Assert: Type(receiver) is Object.
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2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
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3. Let name be fieldRecord.[[Name]].
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4. Let initializer be fieldRecord.[[Initializer]].
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5. If initializer is not empty, then
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a. Let initValue be ? Call(initializer, receiver).
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6. Else, let initValue be undefined.
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7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
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a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
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b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
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8. If fieldName is a Private Name,
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a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
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9. Else,
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a. Assert: IsPropertyKey(fieldName) is true.
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b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
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10. Return.
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---*/
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var computed = 'h';
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class C {
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static f = 'test262';
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static 'g';
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static 0 = 'bar';
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static [computed];
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}
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let c = new C();
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assert.sameValue(c.f, undefined);
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assert.sameValue(c.g, undefined);
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assert.sameValue(c.h, undefined);
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assert.sameValue(c[0], undefined);
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assert.sameValue(Object.hasOwnProperty.call(c, 'f'), false);
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assert.sameValue(Object.hasOwnProperty.call(c, 'g'), false);
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assert.sameValue(Object.hasOwnProperty.call(c, 'h'), false);
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assert.sameValue(Object.hasOwnProperty.call(c, 0), false);
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verifyProperty(C, 'f', {
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value: 'test262',
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enumerable: true,
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writable: true,
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configurable: true
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});
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verifyProperty(C, 'g', {
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value: undefined,
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enumerable: true,
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writable: true,
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configurable: true
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});
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verifyProperty(C, 0, {
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value: 'bar',
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enumerable: true,
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writable: true,
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configurable: true
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});
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verifyProperty(C, 'h', {
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value: undefined,
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enumerable: true,
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writable: true,
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configurable: true
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});
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