| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.jvmtest; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import org.apache.ignite.internal.util.typedef.X; |
| import org.junit.Test; |
| |
| /** |
| * Test for {@link LinkedHashMap}. |
| */ |
| public class LinkedHashMapTest { |
| /** @throws Exception If failed. */ |
| @Test |
| public void testAccessOrder1() throws Exception { |
| X.println(">>> testAccessOrder1 <<<"); |
| |
| Map<String, String> map = new LinkedHashMap<>(3, 0.75f, true); |
| |
| for (int i = 1; i <= 3; i++) |
| map.put("k" + i, "v" + i); |
| |
| X.println("Initial state: " + map); |
| |
| int i = 0; |
| |
| for (Map.Entry<String, String> entry : map.entrySet()) { |
| X.println("Entry: " + entry); |
| |
| if (i > 1) |
| break; |
| |
| i++; |
| } |
| |
| X.println("State after loop: " + map); |
| } |
| |
| /** @throws Exception If failed. */ |
| @Test |
| public void testAccessOrder2() throws Exception { |
| X.println(">>> testAccessOrder2 <<<"); |
| |
| Map<String, String> map = new LinkedHashMap<>(3, 0.75f, true); |
| |
| for (int i = 1; i <= 3; i++) |
| map.put("k" + i, "v" + i); |
| |
| X.println("Initial state: " + map); |
| |
| // Accessing second entry. |
| map.get("k2"); |
| |
| X.println("State after get: " + map); |
| } |
| |
| /** @throws Exception If failed. */ |
| @Test |
| public void testAccessOrder3() throws Exception { |
| X.println(">>> testAccessOrder3 <<<"); |
| |
| Map<String, String> map = new LinkedHashMap<>(3, 0.75f, true); |
| |
| map.put("k1", "v1"); |
| map.put("k2", "v2"); |
| |
| X.println("Initial state: " + map); |
| |
| // Accessing first entry. |
| map.get("k1"); |
| |
| X.println("State after get: " + map); |
| } |
| } |