/*
* Copyright ( c ) 2015 , 2016 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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* questions .
*/
/*
* @ test
* @ summary Basic test for Class . getPackage
* @ compile Foo . java
* @ run testng GetPackageTest
*/
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.math.BigInteger;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;
import static org.testng.Assert .*;
public class GetPackageTest {
private static Class <?> fooClass; // definePackage is not called for Foo class
@BeforeTest
public static void loadFooClass() throws ClassNotFoundException {
TestClassLoader loader = new TestClassLoader();
fooClass = loader.loadClass("foo.Foo" );
assertEquals(fooClass.getClassLoader(), loader);
}
@DataProvider(name = "testClasses" )
public Object[][] testClasses() {
return new Object[][] {
// primitive type, void, array types
{ int .class , null },
{ long [].class , null },
{ Object[][].class , null },
{ void .class , null },
// unnamed package
{ GetPackageTest.class , "" },
// named package
{ fooClass, "foo" },
{ Object.class , "java.lang" },
{ Properties.class , "java.util" },
{ BigInteger.class , "java.math" },
{ Test.class , "org.testng.annotations" },
};
}
@Test(dataProvider = "testClasses" )
public void testGetPackage(Class <?> type, String expected) {
Package p = type.getPackage();
if (expected == null ) {
assertTrue(p == null );
} else {
assertEquals(p.getName(), expected);
}
}
static class TestClassLoader extends ClassLoader {
public TestClassLoader() {
super ();
}
public TestClassLoader(ClassLoader parent) {
super (parent);
}
@Override
protected Class <?> findClass(String name) throws ClassNotFoundException {
Path p = Paths.get(System.getProperty("test.classes" , "." ));
try {
byte [] bb = Files.readAllBytes(p.resolve("foo/Foo.class" ));
return defineClass(name, bb, 0 , bb.length);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
@Override
protected Class <?> loadClass(String cn, boolean resolve) throws ClassNotFoundException {
if (!cn.equals("foo.Foo" ))
return super .loadClass(cn, resolve);
return findClass(cn);
}
}
}
Messung V0.5 in Prozent C=95 H=92 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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