/* * Copyright (c) 2014, 2017, 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. * * 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 LFSingleThreadCachingTest * @bug 8046703 * @key randomness * @summary Test verifies that lambda forms are cached when run with single thread * @author kshefov * @library /lib/testlibrary /java/lang/invoke/common /test/lib * @modules java.base/java.lang.ref:open * java.base/java.lang.invoke:open * java.management * @build jdk.test.lib.TimeLimitedRunner * @build TestMethods * @build LambdaFormTestCase * @build LFCachingTestCase * @build LFSingleThreadCachingTest * @run main/othervm -XX:ReservedCodeCacheSize=128m LFSingleThreadCachingTest */ import java.lang.invoke.MethodHandle; import java.util.EnumSet; import java.util.Map; /** * Single threaded lambda forms caching test class. */ public final class LFSingleThreadCachingTest extends LFCachingTestCase { /** * Constructor for a single threaded lambda forms caching test case. * * @param testMethod A method from {@code j.l.i.MethodHandles} class that * returns a {@code j.l.i.MethodHandle} instance. */ public LFSingleThreadCachingTest(TestMethods testMethod) { super(testMethod); } @Override public void doTest() { MethodHandle adapter1; MethodHandle adapter2; Map data = getTestMethod().getTestCaseData(); try { adapter1 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.ONE); adapter2 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.TWO); } catch (NoSuchMethodException | IllegalAccessException ex) { throw new Error("Unexpected exception", ex); } checkLFCaching(adapter1, adapter2); } /** * Main routine for single threaded lambda forms caching test. * * @param args Accepts no arguments. */ public static void main(String[] args) { LambdaFormTestCase.runTests(LFSingleThreadCachingTest::new, EnumSet.allOf(TestMethods.class)); } }