GenericTestCaseForUnsupportedX86CPU.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package compiler.intrinsics.sha.cli.testcases;

import compiler.intrinsics.sha.cli.SHAOptionsBase;
import jdk.test.lib.process.ExitCode;
import jdk.test.lib.Platform;
import jdk.test.lib.cli.CommandLineOptionTest;
import jdk.test.lib.cli.predicate.AndPredicate;
import jdk.test.lib.cli.predicate.NotPredicate;
import jdk.test.lib.cli.predicate.OrPredicate;

/**
 * Generic test case for SHA-related options targeted to X86 CPUs that don't
 * support SHA-related instructions.
 */
public class GenericTestCaseForUnsupportedX86CPU
        extends SHAOptionsBase.TestCase {
    public GenericTestCaseForUnsupportedX86CPU(String optionName) {
        super(optionName, new AndPredicate(new OrPredicate(Platform::isX64, Platform::isX86),
                new NotPredicate(SHAOptionsBase.getPredicateForOption(
                        optionName))));
    }

    @Override
    protected void verifyWarnings() throws Throwable {
        String shouldPassMessage = String.format("JVM should start with '-XX:-%s' "
                + "flag without any warnings", optionName);
        // Verify that the tested option could be explicitly disabled without
        // a warning.
        CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
                        SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
                }, shouldPassMessage, shouldPassMessage, ExitCode.OK,
                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.prepareBooleanFlag(optionName, false));

        // Verify that when the tested option is enabled, then
        // a warning will occur in VM output if UseSHA is disabled.
        if (!optionName.equals(SHAOptionsBase.USE_SHA_OPTION)) {
            CommandLineOptionTest.verifySameJVMStartup(
                    new String[] { SHAOptionsBase.getWarningForUnsupportedCPU(optionName) },
                    null,
                    shouldPassMessage,
                    shouldPassMessage,
                    ExitCode.OK,
                    SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                    CommandLineOptionTest.prepareBooleanFlag(SHAOptionsBase.USE_SHA_OPTION, false),
                    CommandLineOptionTest.prepareBooleanFlag(optionName, true));
        }
    }

    @Override
    protected void verifyOptionValues() throws Throwable {
        // Verify that the tested option is disabled by default.
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
                String.format("Option '%s' should be disabled by default",
                        optionName),
                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS);

        // Verify that it is not possible to explicitly enable the option.
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
                String.format("Option '%s' should be off on unsupported "
                        + "X86CPU even if set to true directly", optionName),
                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.prepareBooleanFlag(optionName, true));

        // Verify that the tested option is disabled even if +UseSHA was passed
        // to JVM.
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
                String.format("Option '%s' should be off on unsupported "
                        + "X86CPU even if %s flag set to JVM",
                        optionName, CommandLineOptionTest.prepareBooleanFlag(
                            SHAOptionsBase.USE_SHA_OPTION, true)),
                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.prepareBooleanFlag(
                        SHAOptionsBase.USE_SHA_OPTION, true));
    }
}