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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// This test file has been translated from swift/test/Parse/optional_lvalues.swift
import XCTest
final class OptionalLvaluesTests: ParserTestCase {
func testOptionalLvalues1() {
assertParse(
"""
struct S {
var x: Int = 0
let y: Int = 0 // expected-note 4 {{change 'let' to 'var' to make it mutable}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}}
init() {}
}
"""
)
}
func testOptionalLvalues2() {
assertParse(
"""
struct T {
var mutS: S? = nil
let immS: S? = nil // expected-note 10 {{change 'let' to 'var' to make it mutable}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}} {{3-6=var}}
init() {}
}
"""
)
}
func testOptionalLvalues3() {
assertParse(
"""
var mutT: T?
let immT: T? = nil // expected-note 4 {{change 'let' to 'var' to make it mutable}} {{1-4=var}} {{1-4=var}} {{1-4=var}} {{1-4=var}}
"""
)
}
func testOptionalLvalues4() {
assertParse(
"""
let mutTPayload = mutT!
"""
)
}
func testOptionalLvalues5() {
assertParse(
"""
mutT! = T()
mutT!.mutS = S()
mutT!.mutS! = S()
mutT!.mutS!.x = 0
mutT!.mutS!.y = 0
mutT!.immS = S()
mutT!.immS! = S()
mutT!.immS!.x = 0
mutT!.immS!.y = 0
"""
)
}
func testOptionalLvalues6() {
assertParse(
"""
immT! = T()
immT!.mutS = S()
immT!.mutS! = S()
immT!.mutS!.x = 0
immT!.mutS!.y = 0
immT!.immS = S()
immT!.immS! = S()
immT!.immS!.x = 0
immT!.immS!.y = 0
"""
)
}
func testOptionalLvalues7() {
assertParse(
"""
var mutIUO: T! = nil
let immIUO: T! = nil // expected-note 2 {{change 'let' to 'var' to make it mutable}} {{1-4=var}} {{1-4=var}}
"""
)
}
func testOptionalLvalues8() {
assertParse(
"""
mutIUO!.mutS = S()
mutIUO!.immS = S()
immIUO!.mutS = S()
immIUO!.immS = S()
"""
)
}
func testOptionalLvalues9() {
assertParse(
"""
mutIUO.mutS = S()
mutIUO.immS = S()
immIUO.mutS = S()
immIUO.immS = S()
"""
)
}
func testOptionalLvalues10() {
assertParse(
"""
func foo(x: Int) {}
"""
)
}
func testOptionalLvalues11() {
assertParse(
"""
var nonOptional: S = S()
_ = nonOptional!
_ = nonOptional!.x
"""
)
}
func testOptionalLvalues12() {
assertParse(
"""
class C {}
class D: C {}
"""
)
}
func testOptionalLvalues13() {
assertParse(
"""
let c = C()
let d = (c as! D)!
"""
)
}
}
|
