js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-coalesce.js


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

// This file was procedurally generated from the following sources:
// - src/computed-property-names/computed-property-name-from-expression-coalesce.case
// - src/computed-property-names/evaluation/class-declaration-fields.template
/*---
description: Computed property name from coalesce (ComputedPropertyName in ClassExpression)
esid: prod-ComputedPropertyName
features: [computed-property-names, class-fields-public, class-static-fields-public]
flags: [generated]
info: |
    ClassExpression:
      classBindingIdentifier opt ClassTail

    ClassTail:
      ClassHeritage opt { ClassBody opt }

    ClassBody:
      ClassElementList

    ClassElementList:
      ClassElement

    ClassElement:
      MethodDefinition

    MethodDefinition:
      PropertyName ...
      get PropertyName ...
      set PropertyName ...

    PropertyName:
      ComputedPropertyName

    ComputedPropertyName:
      [ AssignmentExpression ]
---*/
let x;


let C = class {
  [x ?? 1] = 2;

  static [x ?? 1] = 2;
};

let c = new C();

assert.sameValue(
  c[x ?? 1],
  2
);
assert.sameValue(
  C[x ?? 1],
  2
);
assert.sameValue(
  c[String(x ?? 1)],
  2
);
assert.sameValue(
  C[String(x ?? 1)],
  2
);

assert.sameValue(x, undefined);

reportCompare(0, 0);