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110 lines
3.9 KiB
Java
110 lines
3.9 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Test features provided by the ReferencedKeyMap class.
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* @modules java.base/java.lang.runtime
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* @enablePreview
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* @compile --patch-module java.base=${test.src} ReferencedKeyTest.java
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* @run main/othervm --patch-module java.base=${test.class.path} java.lang.runtime.ReferencedKeyTest
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*/
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package java.lang.runtime;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.Supplier;
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public class ReferencedKeyTest {
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static long BASE_KEY = 10_000_000L;
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public static void main(String[] args) throws Throwable {
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mapTest(false, HashMap::new);
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mapTest(true, HashMap::new);
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mapTest(false, ConcurrentHashMap::new);
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mapTest(true, ConcurrentHashMap::new);
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}
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static void assertTrue(boolean test, String message) {
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if (!test) {
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throw new RuntimeException(message);
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}
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}
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static void mapTest(boolean isSoft, Supplier<Map<ReferenceKey<Long>, String>> supplier) {
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Map<Long, String> map = ReferencedKeyMap.create(isSoft, supplier);
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populate(map);
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collect();
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// assertTrue(map.isEmpty() || isSoft, "Weak not collecting");
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populate(map);
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methods(map);
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}
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static void methods(Map<Long, String> map) {
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assertTrue(map.size() == 26, "missing key");
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assertTrue(map.containsKey(BASE_KEY + 'a' -'a'), "missing key");
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assertTrue(map.get(BASE_KEY + 'b' -'a').equals("b"), "wrong key");
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assertTrue(map.containsValue("c"), "missing value");
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map.remove(BASE_KEY + 'd' -'a');
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assertTrue(map.get(BASE_KEY + 'd' -'a') == null, "not removed");
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map.putAll(Map.of(1L, "A", 2L, "B"));
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assertTrue(map.get(2L).equals("B"), "collection not added");
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assertTrue(map.keySet().contains(1L), "key missing");
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assertTrue(map.values().contains("A"), "key missing");
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assertTrue(map.entrySet().contains(Map.entry(1L, "A")), "key missing");
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map.putIfAbsent(3L, "C");
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assertTrue(map.get(3L).equals("C"), "key missing");
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map.putIfAbsent(2L, "D");
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assertTrue(map.get(2L).equals("B"), "key replaced");
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map.remove(3L);
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assertTrue(map.get(3L) == null, "key not removed");
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map.replace(2L, "D");
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assertTrue(map.get(2L).equals("D"), "key not replaced");
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map.replace(2L, "B", "E");
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assertTrue(map.get(2L).equals("D"), "key replaced");
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}
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static void collect() {
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System.gc();
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sleep();
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}
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static void sleep() {
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try {
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Thread.sleep(100L);
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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}
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static void populate(Map<Long, String> map) {
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for (int i = 0; i < 26; i++) {
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Long key = BASE_KEY + i;
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String value = String.valueOf((char) ('a' + i));
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map.put(key, value);
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}
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}
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}
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