mirror of
https://github.com/apple/container.git
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J Logan
55 lines
1.9 KiB
Swift
55 lines
1.9 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//===----------------------------------------------------------------------===//
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import Testing
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@testable import SocketForwarder
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struct LRUCacheTest {
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@Test
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func testLRUCache() throws {
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let cache = LRUCache<String, String>(size: 3)
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#expect(cache.count == 0)
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#expect(cache.put(key: "foo", value: "1") == nil)
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#expect(cache.count == 1)
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#expect(cache.put(key: "bar", value: "2") == nil)
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#expect(cache.count == 2)
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#expect(cache.put(key: "baz", value: "3") == nil)
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#expect(cache.count == 3)
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let replaced = try #require(cache.put(key: "bar", value: "4"))
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#expect(replaced == ("bar", "2"))
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#expect(cache.count == 3)
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let firstEvicted = try #require(cache.put(key: "qux", value: "5"))
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#expect(firstEvicted == ("foo", "1"))
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#expect(cache.count == 3)
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let secondEvicted = try #require(cache.put(key: "quux", value: "6"))
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#expect(secondEvicted == ("baz", "3"))
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#expect(cache.count == 3)
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#expect(cache.get("foo") == nil)
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#expect(cache.get("bar") == "4")
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#expect(cache.get("baz") == nil)
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#expect(cache.get("qux") == "5")
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#expect(cache.get("quux") == "6")
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}
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}
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