| /* |
| * 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)); |
| } |
| } |