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 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
//
//===----------------------------------------------------------------------===//
import SwiftParser
import SwiftSyntax
import XCTest
final class TypeCompositionTests: ParserTestCase {
func testComponents() {
let cases: [UInt: String] = [
// Identifiers and member types
#line: "X",
#line: "X<T>",
#line: "X.Y",
#line: "X.Y<T>",
// Metatypes
#line: "X.Type",
#line: "X.Protocol",
// Sugared optionals
#line: "X?",
#line: "X!",
// Sugared collections
#line: "[X]",
#line: "[X : Y]",
// Tuples and paren type
#line: "()",
#line: "(X)",
#line: "(X, X)",
// Keywords
#line: "Any",
#line: "Self",
]
for (line, component) in cases {
var parser = Parser(component)
let componentSyntax = TypeSyntax.parse(from: &parser)
assertParse(
"\(component) & \(component) & \(component)",
{ TypeSyntax.parse(from: &$0) },
substructure: CompositionTypeSyntax(
elements: .init([
CompositionTypeElementSyntax(type: componentSyntax, ampersand: .binaryOperator("&")),
CompositionTypeElementSyntax(type: componentSyntax, ampersand: .binaryOperator("&")),
CompositionTypeElementSyntax(type: componentSyntax),
])
),
line: line
)
}
}
}
|
