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d3f6b8743d
* [SwiftSyntax] Publicize DiagnosticEngine.addConsumer and add hasErrors property * [Syntax] Make DiagnosticEngine.hasErrors public
62 lines
1.9 KiB
Swift
62 lines
1.9 KiB
Swift
// RUN: %target-run-simple-swift
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// REQUIRES: executable_test
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// REQUIRES: OS=macosx
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// REQUIRES: objc_interop
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import Foundation
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import StdlibUnittest
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import SwiftSyntax
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func loc(_ file: String = #file, line: Int = #line,
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column: Int = #line) -> SourceLocation {
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return SourceLocation(line: line, column: column, offset: 0, file: file)
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}
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/// Adds static constants to Diagnostic.Message.
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extension Diagnostic.Message {
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/// Error thrown when a conversion between two types is impossible.
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static func cannotConvert(fromType: String,
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toType: String) -> Diagnostic.Message {
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return .init(.error,
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"cannot convert value of type '\(fromType)' to '\(toType)'")
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}
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/// Suggestion for the user to explicitly check a value does not equal zero.
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static let checkEqualToZero =
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Diagnostic.Message(.note, "check for explicit equality to '0'")
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}
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var Diagnostics = TestSuite("Diagnostics")
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Diagnostics.test("DiagnosticEmission") {
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let startLoc = loc()
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let fixLoc = loc()
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let engine = DiagnosticEngine()
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expectFalse(engine.hasErrors)
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engine.diagnose(.cannotConvert(fromType: "Int", toType: "Bool"),
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location: startLoc) {
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$0.note(.checkEqualToZero, location: fixLoc,
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fixIts: [.insert(fixLoc, " != 0")])
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}
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expectEqual(engine.diagnostics.count, 1)
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guard let diag = engine.diagnostics.first else { return }
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expectEqual(diag.message.text,
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"cannot convert value of type 'Int' to 'Bool'")
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expectEqual(diag.message.severity, .error)
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expectEqual(diag.notes.count, 1)
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expectTrue(engine.hasErrors)
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guard let note = diag.notes.first else { return }
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expectEqual(note.message.text, "check for explicit equality to '0'")
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expectEqual(note.message.severity, .note)
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expectEqual(note.fixIts.count, 1)
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guard let fixIt = note.fixIts.first else { return }
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expectEqual(fixIt.text, " != 0")
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}
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runAllTests()
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