Revert of ES6 computed property names

test/mjsunit/harmony/computed-property-names.js

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-computed-property-names
-
-
-function ID(x) {
-  return x;
-}
-
-
-
-(function TestBasicsString() {
-  var object = {
-    a: 'A',
-    ['b']: 'B',
-    c: 'C',
-    [ID('d')]: 'D',
-  };
-  assertEquals('A', object.a);
-  assertEquals('B', object.b);
-  assertEquals('C', object.c);
-  assertEquals('D', object.d);
-  assertArrayEquals(['a', 'b', 'c', 'd'], Object.keys(object));
-})();
-
-
-(function TestBasicsNumber() {
-  var object = {
-    a: 'A',
-    [1]: 'B',
-    c: 'C',
-    [ID(2)]: 'D',
-  };
-  assertEquals('A', object.a);
-  assertEquals('B', object[1]);
-  assertEquals('C', object.c);
-  assertEquals('D', object[2]);
-  // Array indexes first.
-  assertArrayEquals(['1', '2', 'a', 'c'], Object.keys(object));
-})();
-
-
-(function TestBasicsSymbol() {
-  var sym1 = Symbol();
-  var sym2 = Symbol();
-  var object = {
-    a: 'A',
-    [sym1]: 'B',
-    c: 'C',
-    [ID(sym2)]: 'D',
-  };
-  assertEquals('A', object.a);
-  assertEquals('B', object[sym1]);
-  assertEquals('C', object.c);
-  assertEquals('D', object[sym2]);
-  assertArrayEquals(['a', 'c'], Object.keys(object));
-  assertArrayEquals([sym1, sym2], Object.getOwnPropertySymbols(object));
-})();
-
-
-(function TestToNameSideEffects() {
-  var counter = 0;
-  var key1 = {
-    toString: function() {
-      assertEquals(0, counter++);
-      return 'b';
-    }
-  };
-  var key2 = {
-    toString: function() {
-      assertEquals(1, counter++);
-      return 'd';
-    }
-  };
-  var object = {
-    a: 'A',
-    [key1]: 'B',
-    c: 'C',
-    [key2]: 'D',
-  };
-  assertEquals(2, counter);
-  assertEquals('A', object.a);
-  assertEquals('B', object.b);
-  assertEquals('C', object.c);
-  assertEquals('D', object.d);
-  assertArrayEquals(['a', 'b', 'c', 'd'], Object.keys(object));
-})();
-
-
-(function TestToNameSideEffectsNumbers() {
-  var counter = 0;
-  var key1 = {
-    valueOf: function() {
-      assertEquals(0, counter++);
-      return 1;
-    },
-    toString: null
-  };
-  var key2 = {
-    valueOf: function() {
-      assertEquals(1, counter++);
-      return 2;
-    },
-    toString: null
-  };
-
-  var object = {
-    a: 'A',
-    [key1]: 'B',
-    c: 'C',
-    [key2]: 'D',
-  };
-  assertEquals(2, counter);
-  assertEquals('A', object.a);
-  assertEquals('B', object[1]);
-  assertEquals('C', object.c);
-  assertEquals('D', object[2]);
-  // Array indexes first.
-  assertArrayEquals(['1', '2', 'a', 'c'], Object.keys(object));
-})();
-
-
-(function TestDoubleName() {
-  var object = {
-    [1.2]: 'A',
-    [1e55]: 'B',
-    [0.000001]: 'C',
-    [-0]: 'D',
-    [Infinity]: 'E',
-    [-Infinity]: 'F',
-    [NaN]: 'G',
-  };
-  assertEquals('A', object['1.2']);
-  assertEquals('B', object['1e+55']);
-  assertEquals('C', object['0.000001']);
-  assertEquals('D', object[0]);
-  assertEquals('E', object[Infinity]);
-  assertEquals('F', object[-Infinity]);
-  assertEquals('G', object[NaN]);
-})();
-
-
-(function TestGetter() {
-  var object = {
-    get ['a']() {
-      return 'A';
-    }
-  };
-  assertEquals('A', object.a);
-
-  object = {
-    get b() {
-      assertUnreachable();
-    },
-    get ['b']() {
-      return 'B';
-    }
-  };
-  assertEquals('B', object.b);
-
-  object = {
-    get c() {
-      assertUnreachable();
-    },
-    get ['c']() {
-      assertUnreachable();
-    },
-    get ['c']() {
-      return 'C';
-    }
-  };
-  assertEquals('C', object.c);
-
-  object = {
-    get ['d']() {
-      assertUnreachable();
-    },
-    get d() {
-      return 'D';
-    }
-  };
-  assertEquals('D', object.d);
-})();
-
-
-(function TestSetter() {
-  var calls = 0;
-  var object = {
-    set ['a'](_) {
-      calls++;
-    }
-  };
-  object.a = 'A';
-  assertEquals(1, calls);
-
-  calls = 0;
-  object = {
-    set b(_) {
-      assertUnreachable();
-    },
-    set ['b'](_) {
-      calls++;
-    }
-  };
-  object.b = 'B';
-  assertEquals(1, calls);
-
-  calls = 0;
-  object = {
-    set c(_) {
-      assertUnreachable()
-    },
-    set ['c'](_) {
-      assertUnreachable()
-    },
-    set ['c'](_) {
-      calls++
-    }
-  };
-  object.c = 'C';
-  assertEquals(1, calls);
-
-  calls = 0;
-  object = {
-    set ['d'](_) {
-      assertUnreachable()
-    },
-    set d(_) {
-      calls++
-    }
-  };
-  object.d = 'D';
-  assertEquals(1, calls);
-})();
-
-
-(function TestDuplicateKeys() {
-  'use strict';
-  // ES5 does not allow duplicate keys.
-  // ES6 does but we haven't changed our code yet.
-
-  var object = {
-    a: 1,
-    ['a']: 2,
-  };
-  assertEquals(2, object.a);
-})();
-
-
-(function TestProto() {
-  var proto = {};
-  var object = {
-    __proto__: proto
-  };
-  assertEquals(proto, Object.getPrototypeOf(object));
-
-  object = {
-    '__proto__': proto
-  };
-  assertEquals(proto, Object.getPrototypeOf(object));
-
-  var object = {
-    ['__proto__']: proto
-  };
-  assertEquals(Object.prototype, Object.getPrototypeOf(object));
-  assertEquals(proto, object.__proto__);
-  assertTrue(object.hasOwnProperty('__proto__'));
-})();