java.util.jar.JarFile#baseVersion ( )源码实例Demo

@Test(dataProvider="versions")
public void testVersioning(Runtime.Version value, int xpected) throws Exception {
    Runtime.Version expected = Runtime.Version.parse(String.valueOf(xpected));
    Runtime.Version base = JarFile.baseVersion();

    // multi-release jar, opened as unversioned
    try (JarFile jar = new JarFile(multirelease)) {
        Assert.assertEquals(jar.getVersion(), base);
    }

    System.err.println("test versioning for Release " + value);
    try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) {
        Assert.assertEquals(jf.getVersion(), expected);
    }

    // regular, unversioned, jar
    try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) {
        Assert.assertEquals(jf.getVersion(), base);
    }
}
 

@DataProvider(name = "versions")
public Object[][] createVersionData() throws Exception {
    return new Object[][]{
            {JarFile.baseVersion(), 8},
            {JarFile.runtimeVersion(), Runtime.version().major()},
            {Runtime.version(), Runtime.version().major()},
            {Runtime.Version.parse("7.1"), JarFile.baseVersion().major()},
            {Runtime.Version.parse("9"), 9},
            {Runtime.Version.parse("9.1.5-ea+200"), 9}
    };
}
 

@DataProvider
public Object[][] data() {
    return new Object[][] {
        {Runtime.Version.parse("8")},
        {Runtime.Version.parse("9")},
        {Runtime.Version.parse("10")},
        {Runtime.Version.parse("11")},
        {JarFile.baseVersion()},
        {JarFile.runtimeVersion()}
    };
}