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/*
* Copyright 2012-present Facebook, Inc.
*
* 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 com.facebook.buck.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
/**
* Unit test for {@link VersionStringComparator}.
*/
public class VersionStringComparatorTest {
@Test
public void testIsValidVersionString() {
assertTrue(VersionStringComparator.isValidVersionString("4"));
assertTrue(VersionStringComparator.isValidVersionString("4.2"));
assertTrue(VersionStringComparator.isValidVersionString("4.2.2"));
}
@Test
@SuppressWarnings("PMD.AvoidUsingHardCodedIP")
public void testCompare() {
VersionStringComparator comparator = new VersionStringComparator();
assertEquals(0, comparator.compare("4", "4"));
assertEquals(0, comparator.compare("4.2.2", "4.2.2"));
assertEquals(-1, comparator.compare("4", "5"));
assertEquals(1, comparator.compare("5", "4"));
assertEquals(-1, comparator.compare("4.2.2", "4.2.2.2"));
assertEquals(1, comparator.compare("4.2.2.2", "4.2.2"));
assertEquals(-1, comparator.compare("4.2.3", "4.3.2"));
assertEquals(1, comparator.compare("4.3.2", "4.2.3"));
}
@Test(expected = RuntimeException.class)
public void testCompareThrowsRuntimeExceptionForInvalidParam1() {
VersionStringComparator comparator = new VersionStringComparator();
comparator.compare("foo", "4.2.2");
}
@Test(expected = RuntimeException.class)
public void testCompareThrowsRuntimeExceptionForInvalidParam2() {
VersionStringComparator comparator = new VersionStringComparator();
comparator.compare("4.2.2", "foo");
}
}