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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 Swift project authors
*/
import Foundation
import XCTest
@testable import SwiftDocC
class BidirectionalMapTests: XCTestCase {
func testEmpty() throws {
let map = BidirectionalMap<String, Int>()
XCTAssertNil(map[0])
XCTAssertNil(map[-100])
XCTAssertNil(map[""])
XCTAssertNil(map["test"])
}
func testStoresValues() throws {
var map = BidirectionalMap<String, Int>()
// Test 1:1 relationships
map[0] = "Test Value"
map[100] = "Another Value"
XCTAssertEqual(map[0], "Test Value")
XCTAssertEqual(map["Test Value"], 0)
XCTAssertEqual(map[100], "Another Value")
XCTAssertEqual(map["Another Value"], 100)
// Update existing relationship
map[0] = "Updated Value"
XCTAssertEqual(map[0], "Updated Value")
XCTAssertEqual(map["Updated Value"], 0)
XCTAssertNil(map["Test Value"])
// Update the updated relationship
map["Updated Value"] = 3
XCTAssertEqual(map["Updated Value"], 3)
XCTAssertEqual(map[3], "Updated Value")
XCTAssertNil(map[0])
}
}
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