| /* |
| * Copyright (c) 2014, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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 com.google.dart.engine.internal.index.file; |
| |
| import junit.framework.TestCase; |
| |
| public class IntArrayToIntMapTest extends TestCase { |
| private static int[] HASH_32_KEY_1 = {1}; |
| private static int[] HASH_32_KEY_2 = {33}; |
| private static int[] HASH_32_KEY_3 = {65}; |
| private static int[] HASH_33_KEY = {2}; |
| private IntArrayToIntMap map = new IntArrayToIntMap(16, 0.75f); |
| |
| public void test_get_no() throws Exception { |
| assertEquals(-1, map.get(HASH_32_KEY_1, -1)); |
| } |
| |
| public void test_put_conflict_3() throws Exception { |
| map.put(HASH_32_KEY_1, 10); |
| map.put(HASH_32_KEY_2, 20); |
| map.put(HASH_32_KEY_3, 30); |
| assertEquals(10, map.get(HASH_32_KEY_1, -1)); |
| assertEquals(20, map.get(HASH_32_KEY_2, -1)); |
| assertEquals(30, map.get(HASH_32_KEY_3, -1)); |
| // update exiting Entry |
| map.put(HASH_32_KEY_2, 200); |
| assertEquals(10, map.get(HASH_32_KEY_1, -1)); |
| assertEquals(200, map.get(HASH_32_KEY_2, -1)); |
| assertEquals(30, map.get(HASH_32_KEY_3, -1)); |
| } |
| |
| public void test_put_noConflict() throws Exception { |
| map.put(HASH_32_KEY_1, 10); |
| map.put(HASH_33_KEY, 20); |
| assertEquals(10, map.get(HASH_32_KEY_1, -1)); |
| assertEquals(20, map.get(HASH_33_KEY, -1)); |
| } |
| |
| public void test_remove_hasConflict() throws Exception { |
| // put |
| assertEquals(-1, map.remove(HASH_32_KEY_1, -1)); |
| assertEquals(-1, map.remove(HASH_32_KEY_2, -1)); |
| assertEquals(-1, map.remove(HASH_32_KEY_3, -1)); |
| map.put(HASH_32_KEY_1, 10); |
| map.put(HASH_32_KEY_2, 20); |
| map.put(HASH_32_KEY_3, 30); |
| assertEquals(3, map.size()); |
| // remove |
| assertEquals(10, map.remove(HASH_32_KEY_1, -1)); |
| assertEquals(2, map.size()); |
| assertEquals(20, map.remove(HASH_32_KEY_2, -1)); |
| assertEquals(1, map.size()); |
| assertEquals(30, map.remove(HASH_32_KEY_3, -1)); |
| assertEquals(0, map.size()); |
| // nothing to remove |
| assertEquals(-1, map.remove(HASH_32_KEY_1, -1)); |
| assertEquals(-1, map.remove(HASH_32_KEY_2, -1)); |
| assertEquals(-1, map.remove(HASH_32_KEY_3, -1)); |
| assertEquals(0, map.size()); |
| } |
| |
| public void test_remove_noConflict() throws Exception { |
| assertEquals(-1, map.remove(HASH_32_KEY_1, -1)); |
| // put |
| map.put(HASH_32_KEY_1, 10); |
| assertEquals(1, map.size()); |
| // remove |
| assertEquals(10, map.remove(HASH_32_KEY_1, -1)); |
| assertEquals(-1, map.remove(HASH_32_KEY_1, -1)); |
| assertEquals(0, map.size()); |
| } |
| |
| public void test_size() throws Exception { |
| // empty |
| assertEquals(0, map.size()); |
| // 1 key |
| map.put(new int[] {1}, 10); |
| assertEquals(1, map.size()); |
| // 2 keys |
| map.put(new int[] {1, 2}, 20); |
| assertEquals(2, map.size()); |
| // same key |
| map.put(new int[] {1, 2}, 200); |
| assertEquals(2, map.size()); |
| // remove |
| map.remove(new int[] {1, 2}, -1); |
| assertEquals(1, map.size()); |
| } |
| |
| public void test_stress() throws Exception { |
| int count = 1000; |
| // fill map |
| for (int i = 0; i < count; i++) { |
| int[] key = new int[] {i << 5, i << 3}; |
| map.put(key, i); |
| } |
| // check map |
| assertEquals(count, map.size()); |
| for (int i = 0; i < count; i++) { |
| int[] key = new int[] {i << 5, i << 3}; |
| assertEquals(i, map.get(key, -1)); |
| } |
| } |
| } |