| /* |
| * 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. 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. |
| */ |
| |
| /* @test |
| * @bug 8139885 |
| * @run testng/othervm -ea -esa test.java.lang.invoke.FindAccessTest |
| */ |
| |
| package test.java.lang.invoke; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodHandles.Lookup; |
| import java.lang.invoke.MethodType; |
| |
| import static org.testng.AssertJUnit.*; |
| |
| import org.testng.annotations.*; |
| |
| /** |
| * Tests for Lookup.findClass/accessClass extensions added in JEP 274. |
| */ |
| public class FindAccessTest { |
| |
| static final Lookup LOOKUP = MethodHandles.lookup(); |
| |
| @Test |
| public static void testFindSpecial() throws Throwable { |
| FindSpecial.C c = new FindSpecial.C(); |
| assertEquals("I1.m", c.m()); |
| MethodType t = MethodType.methodType(String.class); |
| MethodHandle ci1m = LOOKUP.findSpecial(FindSpecial.I1.class, "m", t, FindSpecial.C.class); |
| assertEquals("I1.m", (String) ci1m.invoke(c)); |
| } |
| |
| @Test |
| public static void testFindSpecialAbstract() throws Throwable { |
| FindSpecial.C c = new FindSpecial.C(); |
| assertEquals("q", c.q()); |
| MethodType t = MethodType.methodType(String.class); |
| boolean caught = false; |
| try { |
| MethodHandle ci3q = LOOKUP.findSpecial(FindSpecial.I3.class, "q", t, FindSpecial.C.class); |
| } catch (Throwable thrown) { |
| if (!(thrown instanceof IllegalAccessException) || !FindSpecial.ABSTRACT_ERROR.equals(thrown.getMessage())) { |
| throw new AssertionError(thrown.getMessage(), thrown); |
| } |
| caught = true; |
| } |
| assertTrue(caught); |
| } |
| |
| @Test(expectedExceptions = {ClassNotFoundException.class}) |
| public static void testFindClassCNFE() throws ClassNotFoundException, IllegalAccessException { |
| LOOKUP.findClass("does.not.Exist"); |
| } |
| |
| static class FindSpecial { |
| |
| interface I1 { |
| default String m() { |
| return "I1.m"; |
| } |
| } |
| |
| interface I2 { |
| default String m() { |
| return "I2.m"; |
| } |
| } |
| |
| interface I3 { |
| String q(); |
| } |
| |
| static class C implements I1, I2, I3 { |
| public String m() { |
| return I1.super.m(); |
| } |
| public String q() { |
| return "q"; |
| } |
| } |
| |
| static final String ABSTRACT_ERROR = "no such method: test.java.lang.invoke.FindAccessTest$FindSpecial$I3.q()String/invokeSpecial"; |
| |
| } |
| |
| } |