1 /*
   2  * Copyright (c) 2014, 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  * @summary Test verifies that lambda forms are cached when run with single thread
  28  * @author kshefov
  29  * @library /lib/testlibrary/jsr292 /lib/testlibrary
  30  * @build TestMethods
  31  * @build LambdaFormTestCase
  32  * @build LFCachingTestCase
  33  * @build LFSingleThreadCachingTest
  34  * @run main/othervm/timeout=300 LFSingleThreadCachingTest
  35  */
  36 
  37 import java.lang.invoke.MethodHandle;
  38 import java.util.EnumSet;
  39 import java.util.Map;
  40 
  41 /**
  42  * Single threaded lambda forms caching test class.
  43  */
  44 public final class LFSingleThreadCachingTest extends LFCachingTestCase {
  45 
  46     /**
  47      * Constructor for a single threaded lambda forms caching test case.
  48      *
  49      * @param testMethod A method from {@code j.l.i.MethodHandles} class that
  50      * returns a {@code j.l.i.MethodHandle} instance.
  51      */
  52     public LFSingleThreadCachingTest(TestMethods testMethod) {
  53         super(testMethod);
  54     }
  55 
  56     @Override
  57     public void doTest() {
  58         MethodHandle adapter1;
  59         MethodHandle adapter2;
  60         Map<String, Object> data = getTestMethod().getTestCaseData();
  61         try {
  62             adapter1 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.ONE);
  63             adapter2 = getTestMethod().getTestCaseMH(data, TestMethods.Kind.TWO);
  64         } catch (NoSuchMethodException | IllegalAccessException ex) {
  65             throw new Error("Unexpected exception: ", ex);
  66         }
  67         checkLFCaching(adapter1, adapter2);
  68     }
  69 
  70     /**
  71      * Main routine for single threaded lambda forms caching test.
  72      *
  73      * @param args Accepts no arguments.
  74      */
  75     public static void main(String[] args) {
  76         LambdaFormTestCase.runTests(LFSingleThreadCachingTest::new, EnumSet.allOf(TestMethods.class));
  77     }
  78 }