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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
import XCTest
class DictionaryExtensionTests: XCTestCase {
// MARK: merge:withDictionary
func test_mergeTwoEmptyDict_returnEmptyDict() {
let dictionary: [String: String] = [:]
let result = dictionary.merge(with: [:])
XCTAssertEqual(result, [:])
}
func test_mergeNonEmptyDictWithEmpty() {
let dictionary = [1: 1, 2: 2, 3: 3]
let result = dictionary.merge(with: [:])
XCTAssertEqual(result, [1: 1, 2: 2, 3: 3])
}
func test_mergeEmptyDictWithNonEmpty() {
let dictionary: [Int: Int] = [:]
let result = dictionary.merge(with: [1: 1, 2: 2, 3: 3])
XCTAssertEqual(result, [1: 1, 2: 2, 3: 3])
}
func test_mergeTwoDict_withoutOverlappingValues() {
let dictionary = [1: 1, 2: 2, 3: 3]
let result = dictionary.merge(with: [4: 4, 5: 5, 6: 6])
XCTAssertEqual(result, [1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6])
}
func test_mergeTwoDict_withOverlappingValues() {
let dictionary = [1: 1, 2: 2, 3: 3]
let result = dictionary.merge(with: [4: 4, 5: 5, 6: 6, 1: 10, 2: 20, 3: 30])
XCTAssertEqual(result, [1: 10, 2: 20, 3: 30, 4: 4, 5: 5, 6: 6])
}
}