JavaVersionTest.java

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package com.sun.enterprise.util;

import org.junit.Test;
import static org.junit.Assert.assertTrue;

/**
 * Tests for JavaVersion class's methods.
 * @author Yamini K B
 */
public class JavaVersionTest {    
    private static final String[] JAVA_VERSIONS = new String[] {
        "1.5.1-beta",
        "1.6.0",
        "1.7.0_10-ea",
        "1.7.0_17",
        "1.7.0_17-rc1"
    };

    private static final String[] INVALID_JAVA_VERSIONS = new String[] {
        "1a.7.0",
        "a.b.c",
        "1.7beta",
    };
    
    
    @Test
    public void testMatchRegex() {
        for (String st: JAVA_VERSIONS) {
            System.out.println("Test Java Version String " + st);
            JavaVersion jv = JavaVersion.getVersion(st);
            assertTrue(jv != null);
            System.out.println("Java Version = " + jv.toJdkStyle());
        }
        
        for (String st: INVALID_JAVA_VERSIONS) {
            System.out.println("Test Invalid Java Version String " + st);
            JavaVersion jv = JavaVersion.getVersion(st);
            assertTrue(jv == null);
        }
    }
    
    @Test
    public void testNewerThan() {
        JavaVersion jv1 = JavaVersion.getVersion("1.7.0_10-ea");
        JavaVersion jv2 = JavaVersion.getVersion("1.7.0_11");
        assertTrue(jv2.newerThan(jv1));
    }
    
    @Test
    public void testNewerOrEQuals() {
        JavaVersion jv1 = JavaVersion.getVersion("1.7.0_11");
        assertTrue(jv1.newerOrEquals(jv1));
        JavaVersion jv2 = JavaVersion.getVersion("1.7.0_12");
        JavaVersion jv3 = JavaVersion.getVersion("1.7.0_11-ea");
        assertTrue(jv2.newerOrEquals(jv3));
    }
    
    @Test
    public void testOlderThan() {
        JavaVersion jv1 = JavaVersion.getVersion("1.3.0");
        JavaVersion jv2 = JavaVersion.getVersion("1.3.0_11");
        assertTrue(jv1.olderThan(jv2));
        JavaVersion jv3 = JavaVersion.getVersion("1.3.1");
        assertTrue(jv1.olderThan(jv3));
    }
    
    @Test
    public void testOlderOrEquals() {
        JavaVersion jv1 = JavaVersion.getVersion("1.6.0_31");
        JavaVersion jv2 = JavaVersion.getVersion("1.7.0");
        assertTrue(jv1.olderOrEquals(jv2));
    }
}