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54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
// Copyright (C) 2017 Valerie Young. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: class fields forbid PropName 'constructor' (no early error -- PropName of ComputedPropertyName not forbidden value)
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esid: sec-class-definitions-static-semantics-early-errors
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features: [class, class-fields-public]
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info: |
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Static Semantics: PropName
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...
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ComputedPropertyName : [ AssignmentExpression ]
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Return empty.
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// This test file tests the following early error:
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Static Semantics: Early Errors
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ClassElement : FieldDefinition;
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It is a Syntax Error if PropName of FieldDefinition is "constructor".
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DefineField(receiver, fieldRecord)
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...
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8. If fieldName is a Private Name,
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...
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9. Else,
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a. ...
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b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
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CreateDataPropertyOrThrow ( O, P, V )
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...
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3. Let success be ? CreateDataProperty(O, P, V).
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4. If success is false, throw a TypeError exception.
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...
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CreateDataProperty ( O, P, V )
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...
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3. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true,
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[[Configurable]]: true }.
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4. Return ? O.[[DefineOwnProperty]](P, newDesc).
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includes: [propertyHelper.js]
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---*/
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var x = "constructor";
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class C1 {
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[x];
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}
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var c1 = new C1();
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assert.sameValue(c1.hasOwnProperty("constructor"), true);
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assert.sameValue(C1.hasOwnProperty("constructor"), false);
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