1 /*
   2  * Copyright (c) 2015, 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
  26  * @bug 8137167
  27  * @summary Stress directive json parser
  28  * @modules java.base/jdk.internal.misc
  29  * @library /testlibrary /test/lib /
  30  *
  31  * @run driver compiler.compilercontrol.parser.DirectiveStressTest
  32  */
  33 
  34 package compiler.compilercontrol.parser;
  35 
  36 import compiler.compilercontrol.share.AbstractTestBase;
  37 import compiler.compilercontrol.share.JSONFile;
  38 import compiler.compilercontrol.share.method.MethodDescriptor;
  39 import compiler.compilercontrol.share.pool.PoolHelper;
  40 import compiler.compilercontrol.share.scenario.DirectiveWriter;
  41 import jdk.test.lib.OutputAnalyzer;
  42 
  43 import java.util.List;
  44 import java.util.stream.Collectors;
  45 
  46 public class DirectiveStressTest {
  47     private static final int AMOUNT = Integer.getInteger(
  48             "compiler.compilercontrol.parser.DirectiveStressTest.amount",
  49             999);
  50     private static final List<MethodDescriptor> DESCRIPTORS
  51             = new PoolHelper().getAllMethods().stream()
  52                     .map(pair -> AbstractTestBase.getValidMethodDescriptor(
  53                             pair.first))
  54                     .collect(Collectors.toList());
  55     private static final String EXPECTED_MESSAGE = " compiler directives added";
  56 
  57     public static void main(String[] args) {
  58         hugeFileTest();
  59         hugeObjectTest();
  60     }
  61 
  62     /*
  63      * Creates file with AMOUNT of options in match block
  64      */
  65     private static void hugeObjectTest() {
  66         String fileName = "hugeObject.json";
  67         try (DirectiveWriter file = new DirectiveWriter(fileName)) {
  68             file.write(JSONFile.Element.ARRAY);
  69             HugeDirectiveUtil.createMatchObject(DESCRIPTORS, file, AMOUNT);
  70             file.end(); // end array block
  71         }
  72         OutputAnalyzer output = HugeDirectiveUtil.execute(fileName);
  73         output.shouldHaveExitValue(0);
  74         output.shouldContain(1 + EXPECTED_MESSAGE);
  75         output.shouldNotContain(HugeDirectiveUtil.EXPECTED_ERROR_STRING);
  76     }
  77 
  78     /*
  79      * Creates huge valid file with AMOUNT of match directives
  80      */
  81     private static void hugeFileTest() {
  82         String fileName = "hugeFile.json";
  83         HugeDirectiveUtil.createHugeFile(DESCRIPTORS, fileName, AMOUNT);
  84         OutputAnalyzer output = HugeDirectiveUtil.execute(fileName);
  85         output.shouldHaveExitValue(0);
  86         output.shouldContain(AMOUNT + EXPECTED_MESSAGE);
  87         output.shouldNotContain(HugeDirectiveUtil.EXPECTED_ERROR_STRING);
  88     }
  89 }