1 /*
   2  * Copyright (c) 2014, 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 package compiler.rtm.cli;
  26 
  27 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  28 import compiler.testlibrary.rtm.predicate.SupportedVM;
  29 import jdk.test.lib.ExitCode;
  30 import jdk.test.lib.cli.CommandLineOptionTest;
  31 import jdk.test.lib.cli.predicate.AndPredicate;
  32 
  33 import java.util.LinkedList;
  34 import java.util.List;
  35 
  36 /**
  37  * Base for all RTM-related CLI tests on options whose processing depends
  38  * on UseRTMLocking value.
  39  *
  40  * Since UseRTMLocking option could be used when both CPU and VM supports RTM
  41  * locking, this test will be skipped on all unsupported configurations.
  42  */
  43 public abstract class RTMLockingAwareTest
  44         extends RTMGenericCommandLineOptionTest {
  45     protected final String warningMessage;
  46     protected final String[] correctValues;
  47     protected final String[] incorrectValues;
  48     /**
  49      * Constructs new test for option {@code optionName} that should be executed
  50      * only on CPU with RTM support.
  51      * Test will be executed using set of correct values from
  52      * {@code correctValues} and set of incorrect values from
  53      * {@code incorrectValues}.
  54      *
  55      * @param optionName name of option to be tested
  56      * @param isBoolean {@code true} if tested option is binary
  57      * @param isExperimental {@code true} if tested option is experimental
  58      * @param defaultValue default value of tested option
  59      * @param correctValues array with correct values, that should not emit
  60      *                      {@code warningMessage} to VM output
  61      * @param incorrectValues array with incorrect values, that should emit
  62      *                        {@code waningMessage} to VM output
  63      * @param warningMessage warning message associated with tested option
  64      */
  65     protected RTMLockingAwareTest(String optionName, boolean isBoolean,
  66             boolean isExperimental, String defaultValue,
  67             String[] correctValues, String[] incorrectValues,
  68             String warningMessage) {
  69         super(new AndPredicate(new SupportedCPU(), new SupportedVM()),
  70                 optionName, isBoolean, isExperimental, defaultValue);
  71         this.correctValues = correctValues;
  72         this.incorrectValues = incorrectValues;
  73         this.warningMessage = warningMessage;
  74     }
  75 
  76     @Override
  77     protected void verifyJVMStartup() throws Throwable {
  78         // Run generic sanity checks
  79         super.verifyJVMStartup();
  80         // Verify how option values will be processed depending on
  81         // UseRTMLocking value.
  82         if (correctValues != null) {
  83             for (String correctValue : correctValues) {
  84                 // For correct values it is expected to see no warnings
  85                 // regardless to UseRTMLocking
  86                 verifyStartupWarning(correctValue, true, false);
  87                 verifyStartupWarning(correctValue, false, false);
  88             }
  89         }
  90 
  91         if (incorrectValues != null) {
  92             for (String incorrectValue : incorrectValues) {
  93                 // For incorrect values it is expected to see warning
  94                 // only with -XX:+UseRTMLocking
  95                 verifyStartupWarning(incorrectValue, true, true);
  96                 verifyStartupWarning(incorrectValue, false, false);
  97             }
  98         }
  99     }
 100 
 101     @Override
 102     protected void verifyOptionValues() throws Throwable {
 103         super.verifyOptionValues();
 104         // Verify how option values will be setup after processing
 105         // depending on UseRTMLocking value
 106         if (correctValues != null) {
 107             for (String correctValue : correctValues) {
 108                 // Correct value could be set up regardless to UseRTMLocking
 109                 verifyOptionValues(correctValue, false, correctValue);
 110                 verifyOptionValues(correctValue, true, correctValue);
 111             }
 112         }
 113 
 114         if (incorrectValues != null) {
 115             for (String incorrectValue : incorrectValues) {
 116                 // With -XX:+UseRTMLocking, incorrect value will be changed to
 117                 // default value.
 118                 verifyOptionValues(incorrectValue, false, incorrectValue);
 119                 verifyOptionValues(incorrectValue, true, defaultValue);
 120             }
 121         }
 122     }
 123 
 124     private void verifyStartupWarning(String value, boolean useRTMLocking,
 125             boolean isWarningExpected) throws Throwable {
 126         String warnings[] = new String[] { warningMessage };
 127         List<String> options = new LinkedList<>();
 128         options.add(CommandLineOptionTest.prepareBooleanFlag("UseRTMLocking",
 129                 useRTMLocking));
 130 
 131         if (isExperimental) {
 132             options.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
 133         }
 134         options.add(prepareOptionValue(value));
 135 
 136         String errorString =  String.format("JVM should start with option '%s'"
 137                 + "'%nWarnings should be shown: %s", optionName,
 138                 isWarningExpected);
 139         CommandLineOptionTest.verifySameJVMStartup(
 140                 (isWarningExpected ? warnings : null),
 141                 (isWarningExpected ? null : warnings),
 142                 errorString, errorString, ExitCode.OK,
 143                 options.toArray(new String[options.size()]));
 144     }
 145 
 146     private void verifyOptionValues(String value, boolean useRTMLocking,
 147             String expectedValue) throws Throwable {
 148         List<String> options = new LinkedList<>();
 149         options.add(CommandLineOptionTest.prepareBooleanFlag("UseRTMLocking",
 150                 useRTMLocking));
 151 
 152         if (isExperimental) {
 153             options.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
 154         }
 155         options.add(prepareOptionValue(value));
 156 
 157         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
 158                 expectedValue, String.format("Option '%s' should have '%s' "
 159                         + "value if '%s' flag set",
 160                         optionName, expectedValue, prepareOptionValue(value)),
 161                 options.toArray(new String[options.size()]));
 162     }
 163 }