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/jsr292 /lib/testlibrary 31 * @modules java.base/java.lang.ref:open 32 * java.base/java.lang.invoke:open 33 * java.management 34 * @build TestMethods 35 * @build LambdaFormTestCase 36 * @build LFCachingTestCase 37 * @build LFSingleThreadCachingTest 38 * @run main/othervm -XX:ReservedCodeCacheSize=128m LFSingleThreadCachingTest 39 */ 40 41 import java.lang.invoke.MethodHandle; 42 import java.util.EnumSet; 43 import java.util.Map; 44 45 /** 46 * Single threaded lambda forms caching test class. 47 */ 48 public final class LFSingleThreadCachingTest extends LFCachingTestCase { 49 50 /** 51 * Constructor for a single threaded lambda forms caching test case. 52 * 53 * @param testMethod A method from {@code j.l.i.MethodHandles} class that 54 * returns a {@code j.l.i.MethodHandle} instance. 55 */ 56 public LFSingleThreadCachingTest(TestMethods testMethod) { 57 super(testMethod); 58 } 59 60 @Override 61 public void doTest() { 62 MethodHandle adapter1; 63 MethodHandle adapter2; 64 Map<String, Object> data = getTestMethod().getTestCaseData(); 65 try { 66 adapter1 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.ONE); 67 adapter2 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.TWO); 68 } catch (NoSuchMethodException | IllegalAccessException ex) { 69 throw new Error("Unexpected exception", ex); 70 } 71 checkLFCaching(adapter1, adapter2); 72 } 73 74 /** 75 * Main routine for single threaded lambda forms caching test. 76 * 77 * @param args Accepts no arguments. 78 */ 79 public static void main(String[] args) { 80 LambdaFormTestCase.runTests(LFSingleThreadCachingTest::new, EnumSet.allOf(TestMethods.class)); 81 } 82 }