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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 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
//
//===----------------------------------------------------------------------===//
#if canImport(TestSupport)
import TestSupport
#endif
#if FOUNDATION_FRAMEWORK
@testable import Foundation
#elseif canImport(FoundationInternationalization)
@testable import FoundationEssentials
@testable import FoundationInternationalization
#endif // FOUNDATION_FRAMEWORK
final class LocaleLanguageComponentsTests : XCTestCase {
func verifyComponents(_ identifier: String,
expectedLanguageCode: String?,
expectedScriptCode: String?,
expectedRegionCode: String?,
file: StaticString = #filePath, line: UInt = #line) {
let comp = Locale.Language.Components(identifier: identifier)
XCTAssertEqual(comp.languageCode?.identifier, expectedLanguageCode, file: file, line: line)
XCTAssertEqual(comp.script?.identifier, expectedScriptCode, file: file, line: line)
XCTAssertEqual(comp.region?.identifier, expectedRegionCode, file: file, line: line)
}
func testCreateFromIdentifier() {
verifyComponents("en-US", expectedLanguageCode: "en", expectedScriptCode: nil, expectedRegionCode: "US")
verifyComponents("en_US", expectedLanguageCode: "en", expectedScriptCode: nil, expectedRegionCode: "US")
verifyComponents("en_US@rg=GBzzzz", expectedLanguageCode: "en", expectedScriptCode: nil, expectedRegionCode: "US")
verifyComponents("zh-Hans-CN", expectedLanguageCode: "zh", expectedScriptCode: "Hans", expectedRegionCode: "CN")
verifyComponents("zh-hans-cn", expectedLanguageCode: "zh", expectedScriptCode: "Hans", expectedRegionCode: "CN")
verifyComponents("hans-cn", expectedLanguageCode: "hans", expectedScriptCode: nil, expectedRegionCode: "CN")
}
func testCreateFromInvalidIdentifier() {
verifyComponents("HANS", expectedLanguageCode: "hans", expectedScriptCode: nil, expectedRegionCode: nil)
verifyComponents("zh-CN-Hant", expectedLanguageCode: "zh", expectedScriptCode: nil, expectedRegionCode: "CN")
verifyComponents("bleh", expectedLanguageCode: "bleh", expectedScriptCode: nil, expectedRegionCode: nil)
}
// The internal identifier uses the ICU-style identifier
func testInternalIdentifier() {
XCTAssertEqual(Locale.Language.Components(languageCode: "en", script: "Hant", region: "US").identifier, "en-Hant_US")
XCTAssertEqual(Locale.Language.Components(languageCode: "en", script: nil, region: "US").identifier, "en_US")
XCTAssertEqual(Locale.Language.Components(languageCode: "EN", script: nil, region: "us").identifier, "en_US")
XCTAssertEqual(Locale.Language.Components(languageCode: "EN", script: "Latn").identifier, "en-Latn")
}
}
class LocaleLanguageTests: XCTestCase {
func verify(_ identifier: String, expectedParent: Locale.Language, minBCP47: String, maxBCP47: String, langCode: Locale.LanguageCode?, script: Locale.Script?, region: Locale.Region?, lineDirection: Locale.LanguageDirection, characterDirection: Locale.LanguageDirection, file: StaticString = #filePath, line: UInt = #line) {
let lan = Locale.Language(identifier: identifier)
XCTAssertEqual(lan.parent, expectedParent, "Parents should be equal", file: file, line: line)
XCTAssertEqual(lan.minimalIdentifier, minBCP47, "minimalIdentifiers should be equal", file: file, line: line)
XCTAssertEqual(lan.maximalIdentifier, maxBCP47, "maximalIdentifiers should be equal", file: file, line: line)
XCTAssertEqual(lan.languageCode, langCode, "languageCodes should be equal", file: file, line: line)
XCTAssertEqual(lan.script, script, "languageCodes should be equal", file: file, line: line)
XCTAssertEqual(lan.region, region, "regions should be equal", file: file, line: line)
XCTAssertEqual(lan.lineLayoutDirection, lineDirection, "lineDirection should be equal", file: file, line: line)
XCTAssertEqual(lan.characterDirection, characterDirection, "characterDirection should be equal", file: file, line: line)
}
func testProperties() {
verify("en-US", expectedParent: .init(identifier: "en"), minBCP47: "en", maxBCP47: "en-Latn-US", langCode: "en", script: "Latn", region: "US", lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("de-DE", expectedParent: .init(identifier: "de"), minBCP47: "de", maxBCP47: "de-Latn-DE", langCode: "de", script: "Latn", region: "DE", lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("en-Kore-US", expectedParent: .init(identifier: "en-Kore"), minBCP47: "en-Kore", maxBCP47: "en-Kore-US", langCode: "en", script: "Kore", region: "US", lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("zh-TW", expectedParent: .init(identifier: "root"), minBCP47: "zh-TW", maxBCP47: "zh-Hant-TW", langCode: "zh", script: "Hant", region: "TW", lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("en-Latn-US", expectedParent: .init(identifier: "en-Latn"), minBCP47: "en", maxBCP47: "en-Latn-US", langCode: "en", script: "Latn", region: "US", lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("ar-Arab", expectedParent: .init(identifier: "ar"), minBCP47: "ar", maxBCP47: "ar-Arab-EG", langCode: "ar", script: "Arab", region: nil, lineDirection: .topToBottom, characterDirection: .rightToLeft)
verify("en", expectedParent: .init(identifier: "root"), minBCP47: "en", maxBCP47: "en-Latn-US", langCode: "en", script: "Latn", region: nil, lineDirection: .topToBottom, characterDirection: .leftToRight)
verify("root", expectedParent: .init(identifier: "root"), minBCP47: "root", maxBCP47: "root", langCode: "root", script: nil, region: nil, lineDirection: .topToBottom, characterDirection: .leftToRight)
}
func testEquivalent() {
func verify(lang1: String, lang2: String, isEqual: Bool, file: StaticString = #filePath, line: UInt = #line) {
let language1 = Locale.Language(identifier: lang1)
let language2 = Locale.Language(identifier: lang2)
XCTAssert(language1.isEquivalent(to: language2) == isEqual, file: file, line: line)
XCTAssert(language2.isEquivalent(to: language1) == isEqual, file: file, line: line)
}
verify(lang1: "en", lang2: "en-Latn", isEqual: true)
verify(lang1: "en-US", lang2: "en-Latn-US", isEqual: true)
verify(lang1: "und-US", lang2: "en-US", isEqual: true)
verify(lang1: "zh-Hant-TW", lang2: "zh-TW", isEqual: true)
verify(lang1: "zh-Hans", lang2: "zh-Hans-CN", isEqual: true)
verify(lang1: "zh", lang2: "zh-Hans-CN", isEqual: true)
verify(lang1: "zh", lang2: "zh-Hans", isEqual: true)
verify(lang1: "zh-Hans", lang2: "zh-Hant", isEqual: false)
verify(lang1: "und-PL", lang2: "pl-PL", isEqual: true)
verify(lang1: "und-PL", lang2: "pl-Latn-PL", isEqual: true)
}
}
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