class.js (1568B)
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 3 7 includes: [compareArray.js] 8 ---*/ 9 var counter = 0; 10 var key1ToString = []; 11 var key2ToString = []; 12 var key1 = { 13 toString: function() { 14 key1ToString.push(counter); 15 counter += 1; 16 return 'b'; 17 } 18 }; 19 var key2 = { 20 toString: function() { 21 key2ToString.push(counter); 22 counter += 1; 23 return 'd'; 24 } 25 }; 26 class C { 27 a() { return 'A'; } 28 [key1]() { return 'B'; } 29 c() { return 'C'; } 30 [key2]() { return 'D'; } 31 } 32 33 assert.compareArray(key1ToString, [0], "order set for key1"); 34 assert.compareArray(key2ToString, [1], "order set for key2"); 35 36 assert.sameValue(counter, 2, "The value of `counter` is `2`"); 37 assert.sameValue(new C().a(), 'A', "`new C().a()` returns `'A'`. Defined as `a() { return 'A'; }`"); 38 assert.sameValue(new C().b(), 'B', "`new C().b()` returns `'B'`. Defined as `[key1]() { return 'B'; }`"); 39 assert.sameValue(new C().c(), 'C', "`new C().c()` returns `'C'`. Defined as `c() { return 'C'; }`"); 40 assert.sameValue(new C().d(), 'D', "`new C().d()` returns `'D'`. Defined as `[key2]() { return 'D'; }`"); 41 assert.sameValue(Object.keys(C.prototype).length, 0, "No enum keys from C.prototype"); 42 assert( 43 compareArray(Object.getOwnPropertyNames(C.prototype), ['constructor', 'a', 'b', 'c', 'd']), 44 "`compareArray(Object.getOwnPropertyNames(C.prototype), ['constructor', 'a', 'b', 'c', 'd'])` returns `true`" 45 ); 46 47 reportCompare(0, 0);