tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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fn-name-static-precedence-order.js (2184B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-runtime-semantics-classdefinitionevaluation
      6 description: >
      7    Function `name` attribute not inferred in presence of static `name` method
      8 info: |
      9    ClassTail : ClassHeritage_opt { ClassBody_opt }
     10 
     11    14. If constructor is empty, then [...]
     12      b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent).
     13    15. Else, [...]
     14      d. Perform ! SetFunctionName(F, className).
     15    25. For each ClassElement e of elements, do
     16      a. If IsStatic of e is false, then [...]
     17      b. Else,
     18        i. Let field be ClassElementEvaluation of e with arguments F and false.
     19           [ This overwrites the name property on F. ]
     20 includes: [compareArray.js]
     21 features: [generators]
     22 ---*/
     23 
     24 class A {
     25  static method() {
     26    throw new Test262Error('Static method should not be executed during definition');
     27  }
     28  static name() {
     29    throw new Test262Error('Static method should not be executed during definition');
     30  }
     31 }
     32 
     33 assert.compareArray(Object.getOwnPropertyNames(A), ['length', 'name', 'prototype', 'method'])
     34 
     35 var attr = 'name';
     36 class B {
     37  static [attr]() {
     38    throw new Test262Error(
     39      'Static method defined via computed property should not be executed ' +
     40      'during definition'
     41    );
     42  }
     43 }
     44 
     45 assert.compareArray(Object.getOwnPropertyNames(B), ['length', 'name', 'prototype'])
     46 
     47 class C {
     48  static get name() {
     49    throw new Test262Error('Static `get` accessor should not be executed during definition');
     50  }
     51 }
     52 
     53 assert.compareArray(Object.getOwnPropertyNames(C), ['length', 'name', 'prototype'])
     54 
     55 class D {
     56  static set name(_) {
     57    throw new Test262Error('Static `set` accessor should not be executed during definition');
     58  }
     59 }
     60 
     61 assert.compareArray(Object.getOwnPropertyNames(D), ['length', 'name', 'prototype'])
     62 
     63 class E {
     64  static *name() {
     65    throw new Test262Error('Static GeneratorMethod should not be executed during definition');
     66  }
     67 }
     68 
     69 assert.compareArray(Object.getOwnPropertyNames(E), ['length', 'name', 'prototype'])
     70 
     71 reportCompare(0, 0);