1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8188145 28 * @compile MethodHandleConstantHelper.jasm 29 * @run main runtime.invokedynamic.MethodHandleConstantTest 30 */ 31 package runtime.invokedynamic; 32 33 import java.lang.invoke.*; 34 35 public class MethodHandleConstantTest { 36 static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); 37 static final MethodType TEST_MT = MethodType.methodType(void.class); 38 static final Class<?> TEST_CLASS; 39 40 static { 41 try { 42 TEST_CLASS = Class.forName("runtime.invokedynamic.MethodHandleConstantHelper"); 43 } catch (ClassNotFoundException e) { 44 throw new Error(e); 45 } 46 } 47 48 static void test(String testName, Class<? extends Throwable> expectedError) { 49 System.out.print(testName); 50 try { 51 LOOKUP.findStatic(TEST_CLASS, testName, TEST_MT).invokeExact(); 52 } catch (Throwable e) { 53 if (expectedError.isInstance(e)) { 54 // expected 55 } else { 56 e.printStackTrace(); 57 String msg = String.format("%s: wrong exception: %s, but %s expected", 58 testName, e.getClass().getName(), expectedError.getName()); 59 throw new AssertionError(msg); 60 } 61 } 62 System.out.println(": PASSED"); 63 } 64 65 public static void main(String[] args) throws Throwable { 66 test("testMethodSignatureResolutionFailure", NoSuchMethodError.class); 67 test("testFieldSignatureResolutionFailure", NoSuchFieldError.class); 68 } 69 }