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
|
// |jit-test| skip-if: !getBuildConfiguration()['decorators']
load(libdir + "asserts.js");
let dec1Called = false;
let dec2Called = false;
// This explicitly tests the case where undefined is returned.
function dec1(value, context) {
dec1Called = true;
// returns undefined
}
function dec2(value, context) {
dec2Called = true;
return (initialValue) => 2;
}
function dec3(value, context) {
return (initialValue) => initialValue*2;
}
function checkDecoratorContext(kind, isPrivate, isStatic, name) {
return (value, context) => {
assertEq(value, undefined);
assertEq(context.kind, kind);
assertEq(typeof context.access, "object");
assertEq(context.private, isPrivate);
assertEq(context.static, isStatic);
assertEq(context.name, name);
assertEq(typeof context.addInitializer, "object");
}
}
class C {
@dec1 x;
@dec1 x2 = 1;
@checkDecoratorContext("field", false, false, "x3") x3;
@checkDecoratorContext("field", false, true, "x4") static x4;
@checkDecoratorContext("field", true, false, "#x5") #x5;
@dec2 x6;
@dec3 x7 = 1;
@dec2 @dec3 x8 = 1;
@dec2 static x9;
@dec2 #x10;
getX10 = () => {
return this.#x10;
};
@dec3 #x11 = 2;
getX11 = () => {
return this.#x11;
};
@dec1 42 = 1;
@dec2 [43];
}
let c = new C();
assertEq(dec1Called, true);
assertEq(c.x2, 1);
assertEq(dec2Called, true);
assertEq(c.x6, 2);
assertEq(c.x7, 2);
assertEq(c.x8, 4);
assertEq(c.x9, 2);
assertEq(c.getX10(), 2);
assertEq(c.getX11(), 4);
assertEq(c[42], 1);
assertEq(c[43], 2);
assertThrowsInstanceOf(() => {
class D {
@(() => { return "hello!"; }) f(x) { return x; }
}
}, TypeError), "Returning a value other than undefined or a callable throws.";
|
