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
|
/// <reference path='fourslash.ts' />
////// Referenced throughout the inheritance chain.
////interface I0 { a: number }
////
////class C1 implements I0 { a: number }
////interface I1 { b: number }
////interface I2 extends C1, I1 {}
////
////class C2 { c: number }
////interface I3 {d: number}
////class C3 extends C2 implements I0, I2, I3 {
//// a: number;
//// b: number;
//// d: number;
////}
////
////interface I4 { e: number }
////interface I5 { f: number }
////class C4 extends C3 implements I0, I4, I5 {
//// e: number;
//// f: number;
////}
////
////interface I6 extends C4 {}
////class C5 implements I6 {}
/**
* We want to check whether the search for member to replace actually searches through
* the various possible paths of the inheritance chain correctly, and that We
* don't issue duplicates for the same member.
*
* Our class DAG:
*
* C5
* |-I6
* |-C4
* |-I4
* |-I5
* |------------------------ I0
* |-C3
* |-I2
* |-I1
* |-C1
* |-------------------I0
* |-I3
* |-----------------------I0
* |-C2
*/
verify.codeFix({
description: "Implement interface 'I6'",
newFileContent:
`// Referenced throughout the inheritance chain.
interface I0 { a: number }
class C1 implements I0 { a: number }
interface I1 { b: number }
interface I2 extends C1, I1 {}
class C2 { c: number }
interface I3 {d: number}
class C3 extends C2 implements I0, I2, I3 {
a: number;
b: number;
d: number;
}
interface I4 { e: number }
interface I5 { f: number }
class C4 extends C3 implements I0, I4, I5 {
e: number;
f: number;
}
interface I6 extends C4 {}
class C5 implements I6 {
e: number;
f: number;
a: number;
b: number;
d: number;
c: number;
}`,
});
|
