Madan Jampani | 83c2783 | 2015-12-07 10:42:13 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Madan Jampani | 83c2783 | 2015-12-07 10:42:13 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onlab.util; |
| 17 | |
| 18 | import java.util.Objects; |
| 19 | |
| 20 | import org.junit.Test; |
| 21 | |
| 22 | import com.google.common.collect.Maps; |
| 23 | |
| 24 | import static org.junit.Assert.*; |
| 25 | |
| 26 | /** |
| 27 | * Unit tests for ExtendedSet. |
| 28 | */ |
| 29 | public class ExtendedSetTest { |
| 30 | |
| 31 | @Test |
| 32 | public void testGet() { |
| 33 | ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap()); |
| 34 | TestValue e1 = new TestValue("foo", 1); |
| 35 | set.add(e1); |
| 36 | TestValue lookupValue = new TestValue("foo", 2); |
| 37 | TestValue setEntry = set.get(lookupValue); |
| 38 | assertEquals(e1, setEntry); |
| 39 | } |
| 40 | |
| 41 | @Test |
| 42 | public void testInsertOrReplace() { |
| 43 | ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap()); |
| 44 | TestValue small = new TestValue("foo", 1); |
| 45 | TestValue medium = new TestValue("foo", 2); |
| 46 | TestValue large = new TestValue("foo", 3); |
| 47 | // input TestValue will replace existing TestValue if its value2() is greater |
| 48 | // than existing entry's value2() |
| 49 | assertTrue(set.insertOrReplace(small, existing -> existing.value2() < small.value2())); |
| 50 | assertTrue(set.insertOrReplace(large, existing -> existing.value2() < large.value2())); |
| 51 | assertFalse(set.insertOrReplace(medium, existing -> existing.value2() < medium.value2())); |
| 52 | |
| 53 | assertTrue(set.contains(small)); |
| 54 | assertTrue(set.contains(medium)); |
| 55 | assertTrue(set.contains(large)); |
| 56 | } |
| 57 | |
| 58 | @Test |
| 59 | public void testConditionalRemove() { |
| 60 | ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap()); |
| 61 | TestValue small = new TestValue("foo", 1); |
| 62 | TestValue medium = new TestValue("foo", 2); |
| 63 | |
| 64 | assertTrue(set.add(small)); |
| 65 | set.conditionalRemove(medium, existing -> existing.value2() < medium.value2); |
| 66 | assertFalse(set.contains(small)); |
| 67 | } |
| 68 | |
| 69 | private class TestValue { |
| 70 | private String value1; |
| 71 | private int value2; |
| 72 | |
| 73 | public TestValue(String v1, int v2) { |
| 74 | this.value1 = v1; |
| 75 | this.value2 = v2; |
| 76 | } |
| 77 | |
| 78 | public String value1() { |
| 79 | return value1; |
| 80 | } |
| 81 | |
| 82 | public int value2() { |
| 83 | return value2; |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public boolean equals(Object other) { |
| 88 | if (other instanceof TestValue) { |
| 89 | TestValue that = (TestValue) other; |
| 90 | return Objects.equals(value1, that.value1); |
| 91 | } |
| 92 | return false; |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public int hashCode() { |
| 97 | return Objects.hash(value1); |
| 98 | } |
| 99 | } |
| 100 | } |