test/hotspot/jtreg/compiler/intrinsics/sha/cli/testcases/UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU.java
author iignatyev
Fri, 22 Jun 2018 16:11:36 -0700
changeset 50730 bba832d63b88
parent 47216 71c04702a3d5
permissions -rw-r--r--
8155192: [TESTBUG] SHA tests assumes that x86 does not have SHA intrinsics Reviewed-by: kvn, gromero

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package compiler.intrinsics.sha.cli.testcases;

import compiler.intrinsics.sha.cli.SHAOptionsBase;
import compiler.testlibrary.sha.predicate.IntrinsicPredicates;
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;

/**
 * Test case specific to UseSHA*Intrinsics options targeted to CPUs
 * which don't support required instruction, but support other SHA-related
 * instructions.
 *
 * For example, CPU supports sha1 instruction, but doesn't support sha256 or
 * sha512.
 */
public class UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU
        extends SHAOptionsBase.TestCase {
    public UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU(
            String optionName) {
        // execute test case on CPU that supports any sha* instructions,
        // but does not support sha* instruction required by the tested option.
        super(optionName, new AndPredicate(
                IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE,
                new NotPredicate(SHAOptionsBase.getPredicateForOption(optionName))));
    }
    @Override
    protected void verifyWarnings() throws Throwable {
        String shouldPassMessage = String.format("JVM should start with "
                + "'-XX:+%s' flag, but output should contain warning.",
                optionName);
        // Verify that attempt to enable the tested option will cause a warning
        CommandLineOptionTest.verifySameJVMStartup(new String[] {
                        SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
                }, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.prepareBooleanFlag(optionName, true));
    }
}