/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.common.util;
import static org.junit.Assert.*;
import static com.navercorp.pinpoint.common.util.JvmVersion.*;
import org.junit.Test;
import com.navercorp.pinpoint.common.util.JvmVersion;
/**
* @author hyungil.jeong
*/
public class JvmVersionTest {
@Test
public void testOnOrAfter() {
// JDK 5
assertTrue(JAVA_5.onOrAfter(JAVA_5));
assertFalse(JAVA_5.onOrAfter(JAVA_6));
assertFalse(JAVA_5.onOrAfter(JAVA_7));
assertFalse(JAVA_5.onOrAfter(JAVA_8));
assertFalse(JAVA_5.onOrAfter(UNSUPPORTED));
// JDK 6
assertTrue(JAVA_6.onOrAfter(JAVA_5));
assertTrue(JAVA_6.onOrAfter(JAVA_6));
assertFalse(JAVA_6.onOrAfter(JAVA_7));
assertFalse(JAVA_6.onOrAfter(JAVA_8));
assertFalse(JAVA_6.onOrAfter(UNSUPPORTED));
// JDK 7
assertTrue(JAVA_7.onOrAfter(JAVA_5));
assertTrue(JAVA_7.onOrAfter(JAVA_6));
assertTrue(JAVA_7.onOrAfter(JAVA_7));
assertFalse(JAVA_7.onOrAfter(JAVA_8));
assertFalse(JAVA_7.onOrAfter(UNSUPPORTED));
// JDK 8
assertTrue(JAVA_8.onOrAfter(JAVA_5));
assertTrue(JAVA_8.onOrAfter(JAVA_6));
assertTrue(JAVA_8.onOrAfter(JAVA_7));
assertTrue(JAVA_8.onOrAfter(JAVA_8));
assertFalse(JAVA_8.onOrAfter(UNSUPPORTED));
// Unsupported
assertFalse(UNSUPPORTED.onOrAfter(JAVA_5));
assertFalse(UNSUPPORTED.onOrAfter(JAVA_6));
assertFalse(UNSUPPORTED.onOrAfter(JAVA_7));
assertFalse(UNSUPPORTED.onOrAfter(JAVA_8));
assertFalse(UNSUPPORTED.onOrAfter(UNSUPPORTED));
}
@Test
public void testGetFromDoubleVersion() {
// JDK 5
final JvmVersion java_5 = JvmVersion.getFromVersion(1.5);
assertSame(java_5, JAVA_5);
// JDK 6
final JvmVersion java_6 = JvmVersion.getFromVersion(1.6);
assertSame(java_6, JAVA_6);
// JDK 7
final JvmVersion java_7 = JvmVersion.getFromVersion(1.7);
assertSame(java_7, JAVA_7);
// JDK 8
final JvmVersion java_8 = JvmVersion.getFromVersion(1.8);
assertSame(java_8, JAVA_8);
// Unsupported
final JvmVersion java_unsupported = JvmVersion.getFromVersion(0.9);
assertSame(java_unsupported, UNSUPPORTED);
}
@Test
public void testGetFromStringVersion() {
// JDK 5
final JvmVersion java_5 = JvmVersion.getFromVersion("1.5");
assertSame(java_5, JAVA_5);
// JDK 6
final JvmVersion java_6 = JvmVersion.getFromVersion("1.6");
assertSame(java_6, JAVA_6);
// JDK 7
final JvmVersion java_7 = JvmVersion.getFromVersion("1.7");
assertSame(java_7, JAVA_7);
// JDK 8
final JvmVersion java_8 = JvmVersion.getFromVersion("1.8");
assertSame(java_8, JAVA_8);
// Unsupported
final JvmVersion java_unsupported = JvmVersion.getFromVersion("abc");
assertSame(java_unsupported, UNSUPPORTED);
}
@Test
public void testGetFromClassVersion() {
// JDK 5
final JvmVersion java_5 = JvmVersion.getFromClassVersion(49);
assertSame(java_5, JAVA_5);
// JDK 6
final JvmVersion java_6 = JvmVersion.getFromClassVersion(50);
assertSame(java_6, JAVA_6);
// JDK 7
final JvmVersion java_7 = JvmVersion.getFromClassVersion(51);
assertSame(java_7, JAVA_7);
// JDK 8
final JvmVersion java_8 = JvmVersion.getFromClassVersion(52);
assertSame(java_8, JAVA_8);
// Unsupported
final JvmVersion java_unsupported = JvmVersion.getFromClassVersion(-1);
assertSame(java_unsupported, UNSUPPORTED);
}
}