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