numbers-class.js (1581B)
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 to name, accessor side effects numbers 2 7 includes: [compareArray.js] 8 ---*/ 9 var counter = 0; 10 var key1vof = []; 11 var key2vof = []; 12 var key1 = { 13 valueOf: function() { 14 key1vof.push(counter); 15 counter += 1; 16 return 1; 17 }, 18 toString: null 19 }; 20 var key2 = { 21 valueOf: function() { 22 key2vof.push(counter); 23 counter += 1; 24 return 2; 25 }, 26 toString: null 27 }; 28 29 class C { 30 a() { return 'A'; } 31 [key1]() { return 'B'; } 32 c() { return 'C'; } 33 [key2]() { return 'D'; } 34 } 35 36 assert.compareArray(key1vof, [0], "order set for key1"); 37 assert.compareArray(key2vof, [1], "order set for key2"); 38 39 assert.sameValue(counter, 2, "The value of `counter` is `2`"); 40 assert.sameValue(new C().a(), 'A', "`new C().a()` returns `'A'`. Defined as `a() { return 'A'; }`"); 41 assert.sameValue(new C()[1](), 'B', "`new C()[1]()` returns `'B'`. Defined as `[key1]() { return 'B'; }`"); 42 assert.sameValue(new C().c(), 'C', "`new C().c()` returns `'C'`. Defined as `c() { return 'C'; }`"); 43 assert.sameValue(new C()[2](), 'D', "`new C()[2]()` returns `'D'`. Defined as `[key2]() { return 'D'; }`"); 44 assert.sameValue(Object.keys(C.prototype).length, 0, "No enum keys from C.prototype"); 45 assert( 46 compareArray(Object.getOwnPropertyNames(C.prototype), ['1', '2', 'constructor', 'a', 'c']), 47 "`compareArray(Object.getOwnPropertyNames(C.prototype), ['1', '2', 'constructor', 'a', 'c'])` returns `true`" 48 ); 49 50 reportCompare(0, 0);