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//===----------- PhasedSources.swift - Swift Testing --------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 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 XCTest
import TSCBasic
@_spi(Testing) import SwiftDriver
import SwiftOptions
import TestUtilities
/// A source file to be used in an incremental test.
/// User edits can be simulated by using `AddOn`s.
public struct Source: Hashable, Comparable {
/// E.g. "main" for "main.swift"
public let name: String
/// The code in the file, including any `AddOn` markers.
let contents: String
public init(named name: String, containing contents: String) {
self.name = name
self.contents = contents
}
/// Produce a Source from a Fixture
/// - Parameters:
/// - named: E.g. "foo" for "foo.swift"
/// - relativePath: The relative path of the subdirectory under
/// `<package-root>/TestInputs`
/// - fileSystem: The filesystem on which to search.
/// - Returns: A Source with the given name and contents from the file
public init?(named name: String,
at relativePath: RelativePath,
on fileSystem: FileSystem = localFileSystem) throws {
guard let absPath = try Fixture.fixturePath(at: relativePath,
for: "\(name).swift",
on: fileSystem)
else {
return nil
}
let contents = try fileSystem.readFileContents(absPath).cString
self.init(named: name, containing: contents)
}
public static func < (lhs: Source, rhs: Source) -> Bool {
lhs.name < rhs.name
}
}
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