Files
sourcekit-lsp/Tests/SwiftExtensionsTests/ResultExtensionsTests.swift
2024-11-13 16:53:54 -08:00

29 lines
974 B
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 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 SwiftExtensions
import XCTest
final class ResultExtensionsTests: XCTestCase {
func testResultProjection() {
enum MyError: Error, Equatable {
case err1, err2
}
typealias MyResult<T> = Swift.Result<T, MyError>
XCTAssertEqual(MyResult.success(1).success, 1)
XCTAssertNil(MyResult.failure(.err1).success)
XCTAssertNil(MyResult.success(1).failure)
XCTAssertEqual(MyResult<Int>.failure(.err1).failure, .err1)
}
}