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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
#if NS_FOUNDATION_ALLOWS_TESTABLE_IMPORT
#if canImport(SwiftFoundation) && !DEPLOYMENT_RUNTIME_OBJC
@testable import SwiftFoundation
#else
@testable import Foundation
#endif
#endif
class TestProcessInfo : XCTestCase {
func test_operatingSystemVersion() {
let processInfo = ProcessInfo.processInfo
let versionString = processInfo.operatingSystemVersionString
XCTAssertFalse(versionString.isEmpty)
#if os(Linux)
// Since the list of supported distros tends to change, at least check that it used os-release (if it's there).
if let distroId = try? String(contentsOf: URL(fileURLWithPath: "/etc/os-release", isDirectory: false)),
distroId.contains("PRETTY_NAME")
{
XCTAssertTrue(distroId.contains(versionString))
} else {
XCTAssertTrue(versionString.contains("Linux"))
}
#elseif os(Windows)
XCTAssertTrue(versionString.hasPrefix("Windows"))
#endif
let version = processInfo.operatingSystemVersion
XCTAssert(version.majorVersion != 0)
#if canImport(Darwin) || os(Linux) || os(Windows)
let minVersion = OperatingSystemVersion(majorVersion: 1, minorVersion: 0, patchVersion: 0)
XCTAssertTrue(processInfo.isOperatingSystemAtLeast(minVersion))
#endif
}
func test_processName() {
#if DARWIN_COMPATIBILITY_TESTS
let targetName = "xctest"
#elseif os(Windows)
let targetName = "swift-corelibs-foundationPackageTests.exe"
#else
let targetName = "swift-corelibs-foundationPackageTests.xctest"
#endif
let processInfo = ProcessInfo.processInfo
let originalProcessName = processInfo.processName
XCTAssertEqual(originalProcessName, targetName)
// Try assigning a new process name.
let newProcessName = "TestProcessName"
processInfo.processName = newProcessName
XCTAssertEqual(processInfo.processName, newProcessName)
// Assign back to the original process name.
processInfo.processName = originalProcessName
XCTAssertEqual(processInfo.processName, originalProcessName)
}
func test_globallyUniqueString() {
let uuid = ProcessInfo.processInfo.globallyUniqueString
let parts = uuid.components(separatedBy: "-")
XCTAssertEqual(parts.count, 7)
XCTAssertEqual(parts[0].utf16.count, 8)
XCTAssertEqual(parts[1].utf16.count, 4)
XCTAssertEqual(parts[2].utf16.count, 4)
XCTAssertEqual(parts[3].utf16.count, 4)
XCTAssertEqual(parts[4].utf16.count, 12)
}
func test_environment() {
#if os(Windows)
func setenv(_ key: String, _ value: String, _ overwrite: Int) -> Int32 {
assert(overwrite == 1)
guard !key.contains("=") else {
errno = EINVAL
return -1
}
return _putenv("\(key)=\(value)")
}
#endif
let preset = ProcessInfo.processInfo.environment["test"]
setenv("test", "worked", 1)
let postset = ProcessInfo.processInfo.environment["test"]
XCTAssertNil(preset)
XCTAssertEqual(postset, "worked")
// Bad values that wont be stored
XCTAssertEqual(setenv("", "", 1), -1)
XCTAssertEqual(setenv("bad1=", "", 1), -1)
XCTAssertEqual(setenv("bad2=", "1", 1) ,-1)
XCTAssertEqual(setenv("bad3=", "=2", 1), -1)
// Good values that will be, check splitting on '='
XCTAssertEqual(setenv("var1", "",1 ), 0)
XCTAssertEqual(setenv("var2", "=", 1), 0)
XCTAssertEqual(setenv("var3", "=x", 1), 0)
XCTAssertEqual(setenv("var4", "x=", 1), 0)
XCTAssertEqual(setenv("var5", "=x=", 1), 0)
let env = ProcessInfo.processInfo.environment
XCTAssertNil(env[""])
XCTAssertNil(env["bad1"])
XCTAssertNil(env["bad1="])
XCTAssertNil(env["bad2"])
XCTAssertNil(env["bad2="])
XCTAssertNil(env["bad3"])
XCTAssertNil(env["bad3="])
#if os(Windows)
// On Windows, adding an empty environment variable removes it from the environment
XCTAssertNil(env["var1"])
#else
XCTAssertEqual(env["var1"], "")
#endif
XCTAssertEqual(env["var2"], "=")
XCTAssertEqual(env["var3"], "=x")
XCTAssertEqual(env["var4"], "x=")
XCTAssertEqual(env["var5"], "=x=")
}
}
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