141 lines
3.8 KiB
Swift
141 lines
3.8 KiB
Swift
//
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// Copyright (c) 2021 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import XCTest
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import Curve25519Kit
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@testable import SignalServiceKit
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class LRUCacheTest: SSKBaseTestSwift {
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override func setUp() {
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super.setUp()
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}
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override func tearDown() {
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super.tearDown()
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}
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// MARK: -
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func testStringString() {
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let cache = LRUCache<String, String>(maxSize: 16)
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let key1 = "a"
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let key2 = "b"
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let key3 = "c"
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let value1 = "d"
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let value2 = "e"
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XCTAssertNil(cache.get(key: key1))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key1, value: value1)
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XCTAssertEqual(value1, cache.get(key: key1))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key2, value: value2)
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XCTAssertEqual(value1, cache.get(key: key1))
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XCTAssertEqual(value2, cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.clear()
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XCTAssertNil(cache.get(key: key1))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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}
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func testStructStruct() {
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struct TestStruct: CustomStringConvertible, Hashable {
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let payload: String
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// MARK: - CustomStringConvertible
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public var description: String { payload }
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// MARK: - Hashable
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func hash(into hasher: inout Hasher) {
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payload.hash(into: &hasher)
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}
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}
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let cache = LRUCache<TestStruct, TestStruct>(maxSize: 16)
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let key1a = TestStruct(payload: "a")
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let key1b = TestStruct(payload: "a")
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let key2 = TestStruct(payload: "b")
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let key3 = TestStruct(payload: "c")
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let value1 = TestStruct(payload: "d")
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let value2 = TestStruct(payload: "e")
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XCTAssertNil(cache.get(key: key1a))
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XCTAssertNil(cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key1a, value: value1)
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XCTAssertEqual(value1, cache.get(key: key1a))
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XCTAssertEqual(value1, cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key2, value: value2)
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XCTAssertEqual(value1, cache.get(key: key1a))
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XCTAssertEqual(value1, cache.get(key: key1b))
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XCTAssertEqual(value2, cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.clear()
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XCTAssertNil(cache.get(key: key1a))
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XCTAssertNil(cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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}
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func testIntInt() {
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let cache = LRUCache<Int, Int>(maxSize: 16)
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let key1a: Int = 1
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let key1b: Int = 1
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let key2: Int = 2
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let key3: Int = 3
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let value1: Int = 4
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let value2: Int = 5
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XCTAssertNil(cache.get(key: key1a))
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XCTAssertNil(cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key1a, value: value1)
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XCTAssertEqual(value1, cache.get(key: key1a))
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XCTAssertEqual(value1, cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.set(key: key2, value: value2)
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XCTAssertEqual(value1, cache.get(key: key1a))
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XCTAssertEqual(value1, cache.get(key: key1b))
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XCTAssertEqual(value2, cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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cache.clear()
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XCTAssertNil(cache.get(key: key1a))
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XCTAssertNil(cache.get(key: key1b))
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XCTAssertNil(cache.get(key: key2))
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XCTAssertNil(cache.get(key: key3))
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}
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}
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