// 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: >
    computed property method names can be a symbol
includes: [compareArray.js]
---*/

function ID(x) {
  return x;
}

var sym1 = Symbol();
var sym2 = Symbol();
var object = {
  a() { return 'A'; },
  [sym1]() { return 'B'; },
  c() { return 'C'; },
  [ID(sym2)]() { return 'D'; },
};
assert.sameValue(object.a(), 'A', "`object.a()` returns `'A'`. Defined as `a() { return 'A'; }`");
assert.sameValue(object[sym1](), 'B', "`object[sym1]()` returns `'B'`. Defined as `[sym1]() { return 'B'; }`");
assert.sameValue(object.c(), 'C', "`object.c()` returns `'C'`. Defined as `c() { return 'C'; }`");
assert.sameValue(object[sym2](), 'D', "`object[sym2]()` returns `'D'`. Defined as `[ID(sym2)]() { return 'D'; }`");
assert(
  compareArray(Object.keys(object), ['a', 'c']),
  "`compareArray(Object.keys(object), ['a', 'c'])` returns `true`"
);

// compareArray expects arguments to be sorted,
// which will cause an array containing symbols to
// throw an exception when toString() is called.
//
// Since there is no guarantee of order:
//
//    - Assert only that the symbol is present
//    - Assert that the length is correct
//
var symbols = Object.getOwnPropertySymbols(object);

assert(
  symbols.indexOf(sym1) !== -1,
  "The result of `symbols.indexOf(sym1) !== -1` is `true`, after executing `var symbols = Object.getOwnPropertySymbols(object);`"
);
assert(
  symbols.indexOf(sym2) !== -1,
  "The result of `symbols.indexOf(sym2) !== -1` is `true`, after executing `var symbols = Object.getOwnPropertySymbols(object);`"
);
assert.sameValue(symbols.length, 2, "The value of `symbols.length` is `2`, after executing `var symbols = Object.getOwnPropertySymbols(object);`");