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//===----------------------------------------------------------------------===//
//
// 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)
)
}
}
|
