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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 SwiftSyntaxMacrosTestSupport
import XCTest
final class AddBlockerTests: XCTestCase {
private let macros = ["addBlocker": AddBlocker.self]
func testExpansionTransformsAdditionToSubtractionAndEmitsWarning() {
assertMacroExpansion(
"""
#addBlocker(x * y + z)
""",
expandedSource: """
x * y - z
""",
diagnostics: [
DiagnosticSpec(
message: "blocked an add; did you mean to subtract?",
line: 1,
column: 19,
severity: .warning,
fixIts: [FixItSpec(message: "use '-'")]
)
],
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionWithSubtractionAppliesFixIt() {
assertMacroExpansion(
"""
#addBlocker(x * y + z)
""",
expandedSource: """
x * y - z
""",
diagnostics: [
DiagnosticSpec(
message: "blocked an add; did you mean to subtract?",
line: 1,
column: 19,
severity: .warning,
fixIts: [FixItSpec(message: "use '-'")]
)
],
macros: macros,
applyFixIts: ["use '-'"],
fixedSource:
"""
#addBlocker(x * y - z)
""",
indentationWidth: .spaces(2)
)
}
func testExpansionPreservesSubtraction() {
assertMacroExpansion(
"""
#addBlocker(x * y - z)
""",
expandedSource: """
x * y - z
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
}
|
