| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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 libcore.internal; |
| |
| import junit.framework.TestCase; |
| import libcore.internal.StringPool; |
| |
| public final class StringPoolTest extends TestCase { |
| |
| public void testStringPool() { |
| StringPool stringPool = new StringPool(); |
| String bcd = stringPool.get(new char[] { 'a', 'b', 'c', 'd', 'e' }, 1, 3); |
| assertEquals("bcd", bcd); |
| assertSame(bcd, stringPool.get(new char[] { 'a', 'b', 'c', 'd', 'e' }, 1, 3)); |
| } |
| |
| public void testHashCollision() { |
| StringPool stringPool = new StringPool(); |
| char[] a = { (char) 1, (char) 0 }; |
| char[] b = { (char) 0, (char) 31 }; |
| assertEquals(new String(a).hashCode(), new String(b).hashCode()); |
| |
| String aString = stringPool.get(a, 0, 2); |
| assertEquals(new String(a), aString); |
| String bString = stringPool.get(b, 0, 2); |
| assertEquals(new String(b), bString); |
| assertSame(bString, stringPool.get(b, 0, 2)); |
| assertNotSame(aString, stringPool.get(a, 0, 2)); |
| } |
| } |