/*
* 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));
}
}