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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// This file was procedurally generated from the following sources:
// - src/class-elements/static-private-methods-with-fields.case
// - src/class-elements/productions/cls-decl-new-sc-line-method.template
/*---
description: static private methods with fields (field definitions followed by a method in a new line with a semicolon)
esid: prod-FieldDefinition
features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
flags: [generated]
includes: [propertyHelper.js]
info: |
ClassElement :
...
static FieldDefinition ;
FieldDefinition :
ClassElementName Initializer_opt
ClassElementName :
PrivateName
PrivateName :
# IdentifierName
---*/
class C {
static #xVal; static #yVal;
m() { return 42; }
static #x(value) {
this.#xVal = value;
return this.#xVal;
}
static #y(value) {
this.#yVal = value;
return this.#yVal;
}
static x() {
return this.#x(42);
}
static y() {
return this.#y(43);
}
}
var c = new C();
assert.sameValue(c.m(), 42);
assert.sameValue(c.m, C.prototype.m);
assert(
!Object.prototype.hasOwnProperty.call(c, "m"),
"m doesn't appear as an own property on the C instance"
);
verifyProperty(C.prototype, "m", {
enumerable: false,
configurable: true,
writable: true,
});
// Test the private methods 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");
assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
// Test if private fields can be sucessfully accessed and set to value
assert.sameValue(C.x(), 42, "test 13");
assert.sameValue(C.y(), 43, "test 14");
// Test the private fields do not appear as properties before after set to value
assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
reportCompare(0, 0);
|
