1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 14.5
description: >
class constructor
---*/
var count = 0;
class C {
constructor() {
assert.sameValue(
Object.getPrototypeOf(this),
C.prototype,
"`Object.getPrototypeOf(this)` returns `C.prototype`"
);
count++;
}
}
assert.sameValue(
C,
C.prototype.constructor,
"The value of `C` is `C.prototype.constructor`"
);
var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');
assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
assert.sameValue(desc.writable, true, "The value of `descr.writable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
var c = new C();
assert.sameValue(count, 1, "The value of `count` is `1`");
assert.sameValue(
Object.getPrototypeOf(c),
C.prototype,
"`Object.getPrototypeOf(c)` returns `C.prototype`"
);
reportCompare(0, 0);
|
