1 /* 2 * Copyright (c) 2014, 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 * @test LFSingleThreadCachingTest 26 * @bug 8046703 27 * @key randomness 28 * @summary Test verifies that lambda forms are cached when run with single thread 29 * @author kshefov 30 * @library /lib/testlibrary /java/lang/invoke/common /test/lib 31 * @modules java.base/java.lang.ref:open 32 * java.base/java.lang.invoke:open 33 * java.management 34 * @build jdk.test.lib.TimeLimitedRunner 35 * @build TestMethods 36 * @build LambdaFormTestCase 37 * @build LFCachingTestCase 38 * @build LFSingleThreadCachingTest 39 * @run main/othervm -XX:ReservedCodeCacheSize=128m LFSingleThreadCachingTest 40 */ 41 42 import java.lang.invoke.MethodHandle; 43 import java.util.EnumSet; 44 import java.util.Map; 45 46 /** 47 * Single threaded lambda forms caching test class. 48 */ 49 public final class LFSingleThreadCachingTest extends LFCachingTestCase { 50 51 /** 52 * Constructor for a single threaded lambda forms caching test case. 53 * 54 * @param testMethod A method from {@code j.l.i.MethodHandles} class that 55 * returns a {@code j.l.i.MethodHandle} instance. 56 */ 57 public LFSingleThreadCachingTest(TestMethods testMethod) { 58 super(testMethod); 59 } 60 61 @Override 62 public void doTest() { 63 MethodHandle adapter1; 64 MethodHandle adapter2; 65 Map<String, Object> data = getTestMethod().getTestCaseData(); 66 try { 67 adapter1 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.ONE); 68 adapter2 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.TWO); 69 } catch (NoSuchMethodException | IllegalAccessException ex) { 70 throw new Error("Unexpected exception", ex); 71 } 72 checkLFCaching(adapter1, adapter2); 73 } 74 75 /** 76 * Main routine for single threaded lambda forms caching test. 77 * 78 * @param args Accepts no arguments. 79 */ 80 public static void main(String[] args) { 81 LambdaFormTestCase.runTests(LFSingleThreadCachingTest::new, 82 EnumSet.allOf(TestMethods.class)); 83 } 84 }