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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// This file was procedurally generated from the following sources:
// - src/class-elements/private-names.case
// - src/class-elements/productions/cls-decl-after-same-line-gen.template
/*---
description: private names (field definitions after a generator in the same line)
esid: prod-FieldDefinition
features: [class-fields-private, generators, class, class-fields-public]
flags: [generated]
includes: [propertyHelper.js]
info: |
ClassElement :
...
FieldDefinition ;
FieldDefinition :
ClassElementName Initializer_opt
ClassElementName :
PrivateName
PrivateName :
# IdentifierName
---*/
class C {
*m() { return 42; } #x; #y;
x() {
this.#x = 42;
return this.#x;
}
y() {
this.#y = 43;
return this.#y;
}
}
var c = new C();
assert.sameValue(c.m().next().value, 42);
assert(
!Object.prototype.hasOwnProperty.call(c, "m"),
"m doesn't appear as an own property on the C instance"
);
assert.sameValue(c.m, C.prototype.m);
verifyProperty(C.prototype, "m", {
enumerable: false,
configurable: true,
writable: true,
});
// Test the private fields do not appear as properties before set to value
assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
// Test if private fields can be sucessfully accessed and set to value
assert.sameValue(c.x(), 42, "test 7");
assert.sameValue(c.y(), 43, "test 8");
// Test the private fields do not appear as properties before after set to value
assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
reportCompare(0, 0);
|
