tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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getter-duplicates.js (1268B)

      1 // Copyright (C) 2014 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 12.2.5
      5 description: >
      6    In a class, duplicate computed property getter names produce only a single property of
      7    that name, whose value is the value of the last property of that name.
      8 ---*/
      9 class C {
     10  get ['a']() {
     11    return 'A';
     12  }
     13 }
     14 assert.sameValue(new C().a, 'A', "The value of `new C().a` is `'A'`");
     15 
     16 class C2 {
     17  get b() {
     18    throw new Test262Error("The first `b` getter definition in `C2` is unreachable");
     19  }
     20  get ['b']() {
     21    return 'B';
     22  }
     23 }
     24 assert.sameValue(new C2().b, 'B', "The value of `new C2().b` is `'B'`");
     25 
     26 class C3 {
     27  get c() {
     28    throw new Test262Error("The first `c` getter definition in `C3` is unreachable");
     29  }
     30  get ['c']() {
     31    throw new Test262Error("The second `c` getter definition in `C3` is unreachable");
     32  }
     33  get ['c']() {
     34    return 'C';
     35  }
     36 }
     37 assert.sameValue(new C3().c, 'C', "The value of `new C3().c` is `'C'`");
     38 
     39 class C4 {
     40  get ['d']() {
     41    throw new Test262Error("The first `d` getter definition in `C4` is unreachable");
     42  }
     43  get d() {
     44    return 'D';
     45  }
     46 }
     47 assert.sameValue(new C4().d, 'D', "The value of `new C4().d` is `'D'`");
     48 
     49 reportCompare(0, 0);