/*
* Copyright (C) 2011 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.java.lang;
public class LongTest extends junit.framework.TestCase {
public void test_compare() throws Exception {
final long min = Long.MIN_VALUE;
final long zero = 0L;
final long max = Long.MAX_VALUE;
assertTrue(Long.compare(max, max) == 0);
assertTrue(Long.compare(min, min) == 0);
assertTrue(Long.compare(zero, zero) == 0);
assertTrue(Long.compare(max, zero) > 0);
assertTrue(Long.compare(max, min) > 0);
assertTrue(Long.compare(zero, max) < 0);
assertTrue(Long.compare(zero, min) > 0);
assertTrue(Long.compare(min, zero) < 0);
assertTrue(Long.compare(min, max) < 0);
}
public void test_signum() throws Exception {
assertEquals(0, Long.signum(0));
assertEquals(1, Long.signum(1));
assertEquals(-1, Long.signum(-1));
assertEquals(1, Long.signum(Long.MAX_VALUE));
assertEquals(-1, Long.signum(Long.MIN_VALUE));
}
}