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 }