// Copyright (C) 2014 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 12.2.5 description: > to name, accessor side effects numbers 2 includes: [compareArray.js] ---*/ var counter = 0; var key1 = { valueOf: function() { assert.sameValue(counter++, 0, "The result of `counter++` is `0`"); return 1; }, toString: null }; var key2 = { valueOf: function() { assert.sameValue(counter++, 1, "The result of `counter++` is `1`"); return 2; }, toString: null }; class C { a() { return 'A'; } [key1]() { return 'B'; } c() { return 'C'; } [key2]() { return 'D'; } } assert.sameValue(counter, 2, "The value of `counter` is `2`"); assert.sameValue(new C().a(), 'A', "`new C().a()` returns `'A'`. Defined as `a() { return 'A'; }`"); assert.sameValue(new C()[1](), 'B', "`new C()[1]()` returns `'B'`. Defined as `[key1]() { return 'B'; }`"); assert.sameValue(new C().c(), 'C', "`new C().c()` returns `'C'`. Defined as `c() { return 'C'; }`"); assert.sameValue(new C()[2](), 'D', "`new C()[2]()` returns `'D'`. Defined as `[key2]() { return 'D'; }`"); assert( compareArray(Object.keys(C.prototype), []), "`compareArray(Object.keys(C.prototype), [])` returns `true`" ); assert( compareArray(Object.getOwnPropertyNames(C.prototype), ['1', '2', 'constructor', 'a', 'c']), "`compareArray(Object.getOwnPropertyNames(C.prototype), ['1', '2', 'constructor', 'a', 'c'])` returns `true`" );