1 /*
   2  * Copyright (c) 2014, 2016, 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.SupportedOS;
  29 import compiler.testlibrary.rtm.predicate.SupportedVM;
  30 import jdk.test.lib.process.ExitCode;
  31 import jdk.test.lib.cli.CommandLineOptionTest;
  32 import jdk.test.lib.cli.predicate.AndPredicate;
  33 
  34 import java.util.LinkedList;
  35 import java.util.List;
  36 
  37 /**
  38  * Base for all RTM-related CLI tests on options whose processing depends
  39  * on UseRTMLocking value.
  40  *
  41  * Since UseRTMLocking option could be used when both CPU and VM supports RTM
  42  * locking, this test will be skipped on all unsupported configurations.
  43  */
  44 public abstract class RTMLockingAwareTest
  45         extends RTMGenericCommandLineOptionTest {
  46     protected final String warningMessage;
  47     protected final String[] correctValues;
  48     protected final String[] incorrectValues;
  49     /**
  50      * Constructs new test for option {@code optionName} that should be executed
  51      * only on CPU with RTM support.
  52      * Test will be executed using set of correct values from
  53      * {@code correctValues} and set of incorrect values from
  54      * {@code incorrectValues}.
  55      *
  56      * @param optionName name of option to be tested
  57      * @param isBoolean {@code true} if tested option is binary
  58      * @param isExperimental {@code true} if tested option is experimental
  59      * @param defaultValue default value of tested option
  60      * @param correctValues array with correct values, that should not emit
  61      *                      {@code warningMessage} to VM output
  62      * @param incorrectValues array with incorrect values, that should emit
  63      *                        {@code waningMessage} to VM output
  64      * @param warningMessage warning message associated with tested option
  65      */
  66     protected RTMLockingAwareTest(String optionName, boolean isBoolean,
  67             boolean isExperimental, String defaultValue,
  68             String[] correctValues, String[] incorrectValues,
  69             String warningMessage) {
  70         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()),
  71                 optionName, isBoolean, isExperimental, defaultValue);
  72         this.correctValues = correctValues;
  73         this.incorrectValues = incorrectValues;
  74         this.warningMessage = warningMessage;
  75     }
  76 
  77     @Override
  78     protected void verifyJVMStartup() throws Throwable {
  79         // Run generic sanity checks
  80         super.verifyJVMStartup();
  81         // Verify how option values will be processed depending on
  82         // UseRTMLocking value.
  83         if (correctValues != null) {
  84             for (String correctValue : correctValues) {
  85                 // For correct values it is expected to see no warnings
  86                 // regardless to UseRTMLocking
  87                 verifyStartupWarning(correctValue, true, false);
  88                 verifyStartupWarning(correctValue, false, false);
  89             }
  90         }
  91 
  92         if (incorrectValues != null) {
  93             for (String incorrectValue : incorrectValues) {
  94                 // For incorrect values it is expected to see warning
  95                 // only with -XX:+UseRTMLocking
  96                 verifyStartupWarning(incorrectValue, true, true);
  97                 verifyStartupWarning(incorrectValue, false, false);
  98             }
  99         }
 100     }
 101 
 102     @Override
 103     protected void verifyOptionValues() throws Throwable {
 104         super.verifyOptionValues();
 105         // Verify how option values will be setup after processing
 106         // depending on UseRTMLocking value
 107         if (correctValues != null) {
 108             for (String correctValue : correctValues) {
 109                 // Correct value could be set up regardless to UseRTMLocking
 110                 verifyOptionValues(correctValue, false, correctValue);
 111                 verifyOptionValues(correctValue, true, correctValue);
 112             }
 113         }
 114 
 115         if (incorrectValues != null) {
 116             for (String incorrectValue : incorrectValues) {
 117                 // With -XX:+UseRTMLocking, incorrect value will be changed to
 118                 // default value.
 119                 verifyOptionValues(incorrectValue, false, incorrectValue);
 120                 verifyOptionValues(incorrectValue, true, defaultValue);
 121             }
 122         }
 123     }
 124 
 125     private void verifyStartupWarning(String value, boolean useRTMLocking,
 126             boolean isWarningExpected) throws Throwable {
 127         String warnings[] = new String[] { warningMessage };
 128         List<String> options = new LinkedList<>();
 129         options.add(CommandLineOptionTest.prepareBooleanFlag("UseRTMLocking",
 130                 useRTMLocking));
 131 
 132         if (isExperimental) {
 133             options.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
 134         }
 135         options.add(prepareOptionValue(value));
 136 
 137         String errorString =  String.format("JVM should start with option '%s'"
 138                 + "'%nWarnings should be shown: %s", optionName,
 139                 isWarningExpected);
 140         CommandLineOptionTest.verifySameJVMStartup(
 141                 (isWarningExpected ? warnings : null),
 142                 (isWarningExpected ? null : warnings),
 143                 errorString, errorString, ExitCode.OK,
 144                 options.toArray(new String[options.size()]));
 145     }
 146 
 147     private void verifyOptionValues(String value, boolean useRTMLocking,
 148             String expectedValue) throws Throwable {
 149         List<String> options = new LinkedList<>();
 150         options.add(CommandLineOptionTest.prepareBooleanFlag("UseRTMLocking",
 151                 useRTMLocking));
 152 
 153         if (isExperimental) {
 154             options.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
 155         }
 156         options.add(prepareOptionValue(value));
 157 
 158         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
 159                 expectedValue, String.format("Option '%s' should have '%s' "
 160                         + "value if '%s' flag set",
 161                         optionName, expectedValue, prepareOptionValue(value)),
 162                 options.toArray(new String[options.size()]));
 163     }
 164 }