File: WarningMacroTests.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (84 lines) | stat: -rw-r--r-- 2,150 bytes parent folder | download
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
//===----------------------------------------------------------------------===//
//
// 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 MacroExamplesImplementation
import SwiftDiagnostics
import SwiftSyntaxMacros
import SwiftSyntaxMacrosTestSupport
import XCTest

final class WarningMacroTests: XCTestCase {
  private let macros = ["myWarning": WarningMacro.self]

  func testExpansionWithValidStringLiteralEmitsWarning() {
    assertMacroExpansion(
      """
      #myWarning("This is a warning")
      """,
      expandedSource: """
        ()
        """,
      diagnostics: [
        DiagnosticSpec(
          message: "This is a warning",
          line: 1,
          column: 1,
          severity: .warning
        )
      ],
      macros: macros,
      indentationWidth: .spaces(2)
    )
  }

  func testExpansionWithInvalidExpressionEmitsError() {
    assertMacroExpansion(
      """
      #myWarning(42)
      """,
      expandedSource: """
        #myWarning(42)
        """,
      diagnostics: [
        DiagnosticSpec(
          message: "#myWarning macro requires a string literal",
          line: 1,
          column: 1,
          severity: .error
        )
      ],
      macros: macros,
      indentationWidth: .spaces(2)
    )
  }

  func testExpansionWithStringInterpolationEmitsError() {
    assertMacroExpansion(
      #"""
      #myWarning("Say hello \(number) times!")
      """#,
      expandedSource: #"""
        #myWarning("Say hello \(number) times!")
        """#,
      diagnostics: [
        DiagnosticSpec(
          message: "#myWarning macro requires a string literal",
          line: 1,
          column: 1,
          severity: .error
        )
      ],
      macros: macros,
      indentationWidth: .spaces(2)
    )
  }
}