| /* |
| * 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package jdk.dynalink.linker.support.test; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| import jdk.dynalink.linker.support.Lookup; |
| import org.testng.Assert; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| // Tests for jdk.dynalink.linker.support.Lookup class. |
| |
| public class LookupTest { |
| private static final MethodHandles.Lookup MY_LOOKUP = MethodHandles.lookup(); |
| |
| private static MethodHandles.Lookup getLookup(final boolean publicLookup) { |
| return publicLookup? MethodHandles.publicLookup() : MY_LOOKUP; |
| } |
| |
| // test constructors, methods used for lookup |
| @SuppressWarnings("unused") |
| public LookupTest() {} |
| |
| @SuppressWarnings("unused") |
| private LookupTest(final int unused) {} |
| |
| @SuppressWarnings("unused") |
| private void privateFunc() {} |
| |
| @SuppressWarnings("unused") |
| protected void protectedFunc() {} |
| |
| @SuppressWarnings("unused") |
| private static void privateStaticFunc() {} |
| |
| @SuppressWarnings("unused") |
| private final int myIntField = 0; |
| |
| @SuppressWarnings("unused") |
| @DataProvider |
| private static Object[][] flags() { |
| return new Object[][]{ |
| {Boolean.FALSE}, |
| {Boolean.TRUE} |
| }; |
| } |
| |
| @Test(dataProvider = "flags") |
| public void unreflectTest(final boolean publicLookup) throws NoSuchMethodException { |
| final MethodHandle mh = Lookup.unreflect(getLookup(publicLookup), LookupTest.class.getMethod("unreflectTest", Boolean.TYPE)); |
| Assert.assertNotNull(mh); |
| } |
| |
| @Test |
| public void unreflectTest2() throws NoSuchMethodException { |
| final MethodHandle mh = Lookup.PUBLIC.unreflect(LookupTest.class.getMethod("unreflectTest", Boolean.TYPE)); |
| Assert.assertNotNull(mh); |
| } |
| |
| @Test(dataProvider = "flags") |
| public void unreflectNegativeTest(final boolean publicLookup) throws NoSuchMethodException { |
| try { |
| final MethodHandle mh = Lookup.unreflect(getLookup(publicLookup), |
| LookupTest.class.getDeclaredMethod("privateFunc")); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void unreflectNegativeTest2() throws NoSuchMethodException { |
| try { |
| Lookup.PUBLIC.unreflect(LookupTest.class.getDeclaredMethod("privateFunc")); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void unreflectConstructorTest(final boolean publicLookup) throws NoSuchMethodException { |
| final MethodHandle mh = Lookup.unreflectConstructor(getLookup(publicLookup), LookupTest.class.getConstructor()); |
| Assert.assertNotNull(mh); |
| } |
| |
| @Test |
| public void unreflectConstructorTest2() throws NoSuchMethodException { |
| final MethodHandle mh = Lookup.PUBLIC.unreflectConstructor(LookupTest.class.getConstructor()); |
| Assert.assertNotNull(mh); |
| } |
| |
| @Test(dataProvider = "flags") |
| public void unreflectConstructorNegativeTest(final boolean publicLookup) throws NoSuchMethodException { |
| try { |
| final MethodHandle mh = Lookup.unreflectConstructor(getLookup(publicLookup), |
| LookupTest.class.getDeclaredConstructor(Integer.TYPE)); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void unreflectConstructorNegativeTest2() throws NoSuchMethodException { |
| try { |
| Lookup.PUBLIC.unreflectConstructor( |
| LookupTest.class.getDeclaredConstructor(Integer.TYPE)); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void findOwnStaticTest(final boolean publicLookup) { |
| try { |
| final MethodHandle mh = Lookup.findOwnStatic(getLookup(publicLookup), "getLookup", |
| MethodHandles.Lookup.class, Boolean.TYPE); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void findOwnStaticTest2() { |
| try { |
| Lookup.PUBLIC.findStatic(LookupTest.class, "getLookup", |
| MethodType.methodType(MethodHandles.Lookup.class, Boolean.TYPE)); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void findOwnSepcialTest(final boolean publicLookup) { |
| try { |
| final MethodHandle mh = Lookup.findOwnSpecial(getLookup(publicLookup), "privateFunc", Void.TYPE); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void findOwnSepcialTest2() { |
| try { |
| Lookup.PUBLIC.findOwnSpecial("privateFunc", Void.TYPE); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void findGetterTest(final boolean publicLookup) { |
| try { |
| final MethodHandle mh = new Lookup(getLookup(publicLookup)).findGetter(LookupTest.class, "myIntField", Integer.TYPE); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void findGetterTest2() { |
| try { |
| Lookup.PUBLIC.findGetter(LookupTest.class, "myIntField", Integer.TYPE); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void findVirtualTest(final boolean publicLookup) { |
| try { |
| final MethodHandle mh = new Lookup(getLookup(publicLookup)).findVirtual(LookupTest.class, "protectedFunc", |
| MethodType.methodType(Void.TYPE)); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void findVirtualTest2() { |
| try { |
| Lookup.PUBLIC.findVirtual(LookupTest.class, "protectedFunc", |
| MethodType.methodType(Void.TYPE)); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test(dataProvider = "flags") |
| public void findStaticTest(final boolean publicLookup) { |
| try { |
| final MethodHandle mh = new Lookup(getLookup(publicLookup)).findStatic(LookupTest.class, "privateStaticFunc", |
| MethodType.methodType(Void.TYPE)); |
| if (publicLookup) { |
| throw new RuntimeException("should have thrown Error"); |
| } |
| Assert.assertNotNull(mh); |
| } catch (final Error err) { |
| Assert.assertTrue(publicLookup); |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| |
| @Test |
| public void findStaticTest2() { |
| try { |
| Lookup.PUBLIC.findStatic(LookupTest.class, "privateStaticFunc", |
| MethodType.methodType(Void.TYPE)); |
| throw new RuntimeException("should have thrown Error"); |
| } catch (final Error err) { |
| Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError); |
| } |
| } |
| } |