| /** |
| * Copyright (c) 2015, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * 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); |
| } |
| |
| } |
| } |
| |
| |