purchases-ios/Tests/UnitTests/FoundationExtensions/LocaleExtensionsTests.swift

//
//  Copyright RevenueCat Inc. All Rights Reserved.
//
//  Licensed under the MIT License (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      https://opensource.org/licenses/MIT
//
//  LocaleExtensionsTests.swift
//
//  Created by Nacho Soto on 6/21/23.

import Nimble
import XCTest

@testable import RevenueCat

class LocaleExtensionsTests: TestCase {

    func testCurrencyCode() {
        expect(Locale(identifier: "en_US").rc_currencyCode) == "USD"
    }

    func testMissingCurrencyCode() {
        expect(Locale(identifier: "").rc_currencyCode).to(beNil())
    }

    func testLanguageCodeCode() {
        expect(Locale(identifier: "en_US").rc_languageCode) == "en"
        expect(Locale(identifier: "en-IN").rc_languageCode) == "en"
        expect(Locale(identifier: "en").rc_languageCode) == "en"
    }

    func testMissingLanguageCode() {
        // This difference is with running iOS 16 tests with Xcode 15
        // and iOS 15 tests with Xcode 14
        #if swift(>=5.9)
            if #available(iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0, *) {
                // Fixed in iOS 17 on Xcode 15
                expect(Locale(identifier: "").rc_languageCode).to(beNil())
            } else {
                if #available(iOS 16.0, macOS 13.0, tvOS 16.0, watchOS 9.0, *) {
                    // Broken in iOS 16 on Xcode 15
                    expect(Locale(identifier: "").rc_languageCode) == "en"
                } else {
                    // iOS 15 on Xcode 15
                    expect(Locale(identifier: "").rc_languageCode).to(beNil())
                }
            }
        #else
            expect(Locale(identifier: "").rc_languageCode).to(beNil())
        #endif
    }

    func testRemovingRegion() {
        expect(Locale(identifier: "en_US").removingRegion?.identifier) == "en"
        expect(Locale(identifier: "en-IN").removingRegion?.identifier) == "en"
        expect(Locale(identifier: "en_ES").removingRegion?.identifier) == "en"
        expect(Locale(identifier: "en").removingRegion?.identifier) == "en"

        // This difference is with running iOS 16 tests with Xcode 15
        // and iOS 15 tests with Xcode 14
        #if swift(>=5.9)
            if #available(iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0, *) {
                // Fixed in iOS 17 on Xcode 15
                expect(Locale(identifier: "").removingRegion).to(beNil())
            } else {
                if #available(iOS 16.0, macOS 13.0, tvOS 16.0, watchOS 9.0, *) {
                    // Broken in iOS 16 on Xcode 15
                    expect(Locale(identifier: "").removingRegion?.identifier) == "en"
                } else {
                    // iOS 15 on Xcode 15
                    expect(Locale(identifier: "").removingRegion).to(beNil())
                }
            }
        #else
            expect(Locale(identifier: "").removingRegion).to(beNil())
        #endif
    }

}