test262/test/language/computed-property-names/to-name-side-effects/object.js

37 lines
1.2 KiB
JavaScript

// 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 object literal
includes: [compareArray.js]
---*/
var counter = 0;
var key1 = {
toString: function() {
assert.sameValue(counter++, 0, 'The result of counter++ is expected to be 0');
return 'b';
}
};
var key2 = {
toString: function() {
assert.sameValue(counter++, 1, 'The result of counter++ is expected to be 1');
return 'd';
}
};
var object = {
a() { return 'A'; },
[key1]() { return 'B'; },
c() { return 'C'; },
[key2]() { return 'D'; },
};
assert.sameValue(counter, 2, 'The value of counter is expected to be 2');
assert.sameValue(object.a(), 'A', 'object.a() must return "A"');
assert.sameValue(object.b(), 'B', 'object.b() must return "B"');
assert.sameValue(object.c(), 'C', 'object.c() must return "C"');
assert.sameValue(object.d(), 'D', 'object.d() must return "D"');
assert.compareArray(
Object.getOwnPropertyNames(object), ['a', 'b', 'c', 'd'],
'Object.getOwnPropertyNames("{a() {return "A";}, [key1]() {return "B";}, c() {return "C";}, [key2]() {return "D";},}) must return ["a", "b", "c", "d"]'
);