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/*
This source file is part of the Swift System open source project
Copyright (c) 2020 Apple Inc. and the Swift System project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See https://swift.org/LICENSE.txt for license information
*/
import XCTest
#if SYSTEM_PACKAGE
import SystemPackage
#else
import System
#endif
/*System 0.0.1, @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)*/
func filePathFromUnterminatedBytes<S: Sequence>(_ bytes: S) -> FilePath where S.Element == UInt8 {
var array = Array(bytes)
assert(array.last != 0, "already null terminated")
array += [0]
return array.withUnsafeBufferPointer {
$0.withMemoryRebound(to: CChar.self) {
FilePath(platformString: $0.baseAddress!)
}
}
}
let invalidBytes: [UInt8] = [0x2F, 0x61, 0x2F, 0x62, 0x2F, 0x83]
/*System 0.0.2, @available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *)*/
final class FilePathTest: XCTestCase {
struct TestPath {
let filePath: FilePath
let string: String
let validUTF8: Bool
}
let testPaths: [TestPath] = [
// empty
TestPath(filePath: FilePath(), string: String(), validUTF8: true),
// valid ascii
TestPath(filePath: "/a/b/c", string: "/a/b/c", validUTF8: true),
// valid utf8
TestPath(filePath: "/あ/🧟♀️", string: "/あ/🧟♀️", validUTF8: true),
// invalid utf8
TestPath(filePath: filePathFromUnterminatedBytes(invalidBytes), string: String(decoding: invalidBytes, as: UTF8.self), validUTF8: false),
]
func testFilePath() {
XCTAssertEqual(0, FilePath().length)
for testPath in testPaths {
XCTAssertEqual(testPath.string, String(decoding: testPath.filePath))
// TODO: test component UTF8 validation
if testPath.validUTF8 {
XCTAssertEqual(testPath.filePath, FilePath(testPath.string))
XCTAssertEqual(testPath.string, String(validating: testPath.filePath))
} else {
XCTAssertNotEqual(testPath.filePath, FilePath(testPath.string))
XCTAssertNil(String(validating: testPath.filePath))
}
testPath.filePath.withPlatformString {
XCTAssertEqual(testPath.string, String(cString: $0))
XCTAssertEqual(testPath.filePath, FilePath(platformString: $0))
}
}
}
}
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