author | shurailine |
Wed, 31 Aug 2016 09:46:50 -0700 | |
changeset 40684 | 2e37c119dc2a |
parent 38966 | 308f5cc7d5f6 |
child 40964 | c4a7c6d1cfb3 |
permissions | -rw-r--r-- |
40684
2e37c119dc2a
8164982: Fix legal notices in java/lang, java/net, java/util tests.
shurailine
parents:
38966
diff
changeset
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/* |
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* Copyright (c) 2014, 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 Exercise Class#getModule |
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* @modules java.base/jdk.internal.org.objectweb.asm |
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38966
308f5cc7d5f6
8158855: Fix remaining module dependences in java/lang
shurailine
parents:
36511
diff
changeset
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* java.base/jdk.internal.misc |
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* java.desktop |
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* @run testng GetModuleTest |
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*/ |
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import java.awt.Component; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.Module; |
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import jdk.internal.org.objectweb.asm.ClassWriter; |
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import static jdk.internal.org.objectweb.asm.Opcodes.*; |
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38966
308f5cc7d5f6
8158855: Fix remaining module dependences in java/lang
shurailine
parents:
36511
diff
changeset
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import jdk.internal.misc.Unsafe; |
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import org.testng.annotations.DataProvider; |
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import org.testng.annotations.Test; |
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import static org.testng.Assert.*; |
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public class GetModuleTest { |
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static final Unsafe U; |
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static { |
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try { |
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Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe"); |
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theUnsafe.setAccessible(true); |
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U = (Unsafe) theUnsafe.get(null); |
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} catch (Exception e) { |
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throw new AssertionError(e); |
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} |
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} |
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private static final Module TEST_MODULE = GetModuleTest.class.getModule(); |
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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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// unnamed module |
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{ GetModuleTest.class, null }, |
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{ GetModuleTest[].class, null }, |
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{ GetModuleTest[][].class, null }, |
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// should return named module |
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{ int.class, "java.base" }, |
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{ int[].class, "java.base" }, |
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{ int[][].class, "java.base" }, |
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{ void.class, "java.base" }, |
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{ Object.class, "java.base" }, |
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{ Object[].class, "java.base" }, |
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{ Object[][].class, "java.base" }, |
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{ Component.class, "java.desktop" }, |
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{ Component[].class, "java.desktop" }, |
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{ Component[][].class, "java.desktop" }, |
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}; |
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} |
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@Test(dataProvider = "testclasses") |
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public void testGetModule(Class<?> type, String expected) { |
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Module m = type.getModule(); |
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assertNotNull(m); |
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if (expected == null) { |
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assertTrue(m == TEST_MODULE); |
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} else { |
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assertEquals(m.getName(), expected); |
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} |
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} |
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@DataProvider(name = "hostclasses") |
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public Object[][] hostClasses() { |
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return new Object[][] { |
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{ GetModuleTest.class, null }, |
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{ GetModuleTest[].class, null }, |
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{ Object.class, null }, |
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{ Object[].class, null }, |
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{ Component.class, null }, |
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{ Component[].class, null }, |
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}; |
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} |
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/** |
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* Exercise Class::getModule on VM anonymous classes |
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*/ |
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@Test(dataProvider = "hostclasses") |
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public void testGetModuleOnVMAnonymousClass(Class<?> hostClass, String ignore) { |
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// choose a class name in the same package as the host class |
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String prefix = packageName(hostClass); |
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if (prefix.length() > 0) |
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prefix = prefix.replace('.', '/') + "/"; |
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String className = prefix + "Anon"; |
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// create the class |
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String superName = "java/lang/Object"; |
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS |
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+ ClassWriter.COMPUTE_FRAMES); |
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cw.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, |
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className, null, superName, null); |
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byte[] classBytes = cw.toByteArray(); |
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int cpPoolSize = constantPoolSize(classBytes); |
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Class<?> anonClass |
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= U.defineAnonymousClass(hostClass, classBytes, new Object[cpPoolSize]); |
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assertTrue(anonClass.getModule() == hostClass.getModule()); |
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} |
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private static String packageName(Class<?> c) { |
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if (c.isArray()) { |
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return packageName(c.getComponentType()); |
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} else { |
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String name = c.getName(); |
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int dot = name.lastIndexOf('.'); |
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if (dot == -1) return ""; |
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return name.substring(0, dot); |
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} |
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} |
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private static int constantPoolSize(byte[] classFile) { |
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return ((classFile[8] & 0xFF) << 8) | (classFile[9] & 0xFF); |
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} |
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} |