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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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
//
//===----------------------------------------------------------------------===//
//
#if canImport(TestSupport)
import TestSupport
#endif
#if canImport(Glibc)
import Glibc
#endif
#if FOUNDATION_FRAMEWORK
@testable import Foundation
#else
@testable import FoundationEssentials
#endif // FOUNDATION_FRAMEWORK
#if FOUNDATION_FRAMEWORK
// Always compiled into the Tests project
final internal class Canary { }
#endif
func testData(forResource resource: String, withExtension ext: String, subdirectory: String? = nil) -> Data? {
#if FOUNDATION_FRAMEWORK
guard let url = Bundle(for: Canary.self).url(forResource: resource, withExtension: ext, subdirectory: subdirectory) else {
return nil
}
return try? Data(contentsOf: url)
#else
#if os(macOS)
let subdir: String
if let subdirectory {
subdir = "Resources/" + subdirectory
} else {
subdir = "Resources"
}
guard let url = Bundle.module.url(forResource: resource, withExtension: ext, subdirectory: subdir) else {
return nil
}
let essentialsURL = FoundationEssentials.URL(filePath: url.path)
return try? Data(contentsOf: essentialsURL)
#else
// swiftpm drops the resources next to the executable, at:
// ./swift-foundation_FoundationEssentialsTests.resources/Resources/
// Hard-coding the path is unfortunate, but a temporary need until we have a better way to handle this
var toolsResourcesDir = URL(filePath: ProcessInfo.processInfo.arguments[0])
.deletingLastPathComponent()
.appending(component: "swift-foundation_FoundationEssentialsTests-tool.resources", directoryHint: .isDirectory)
// On Linux the tests are built for the "host" because there are macro tests, on Windows
// the tests are only built for the "target" so we need to figure out whether `-tools`
// resources exist and if so, use them.
let resourcesDir = if FileManager.default.fileExists(atPath: toolsResourcesDir.path) {
toolsResourcesDir
} else {
URL(filePath: ProcessInfo.processInfo.arguments[0])
.deletingLastPathComponent()
.appending(component: "swift-foundation_FoundationEssentialsTests.resources", directoryHint: .isDirectory)
}
var path = resourcesDir.appending(component: "Resources", directoryHint: .isDirectory)
if let subdirectory {
path.append(path: subdirectory, directoryHint: .isDirectory)
}
path.append(component: resource + "." + ext, directoryHint: .notDirectory)
return try? Data(contentsOf: path)
#endif
#endif
}
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