/* * Copyright (c) 2020, Huawei Technologies Co., Ltd. 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. * * 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 8239915 * @compile DynamicConstantHelper.jasm * @run main TestDynamicConstant */ import java.lang.invoke.*; public class TestDynamicConstant { static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); static final MethodType TEST_MT = MethodType.methodType(void.class); static final Class TEST_CLASS; static { try { TEST_CLASS = Class.forName("DynamicConstantHelper"); } catch (ClassNotFoundException e) { throw new Error(e); } } static void test(String testName, Class expectedError) { try { LOOKUP.findStatic(TEST_CLASS, testName, TEST_MT).invokeExact(); } catch (Throwable e) { if (expectedError.isInstance(e)) { // expected } else { e.printStackTrace(); String msg = String.format("%s: wrong exception: %s, but %s expected", testName, e.getClass().getName(), expectedError.getName()); throw new AssertionError(msg); } } } public static void main(String[] args) throws Throwable { test("testDoubleConstantDynamic", NoSuchMethodError.class); test("testIntConstantDynamic", NoSuchMethodError.class); } }