diff -r 32754521e67e -r 0543ccb78f27 jdk/test/java/lang/invoke/FindAccessTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/lang/invoke/FindAccessTest.java Wed Mar 02 20:36:00 2016 +0100 @@ -0,0 +1,111 @@ +/* + * 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"; + + } + +}