jdk-24/hotspot/test/runtime/CommandLine/OptionsValidation/TestOptionsWithRanges.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 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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/*
 * @test
 * @summary Test VM Options with ranges
 * @library /testlibrary /runtime/CommandLine/OptionsValidation/common
 * @modules java.base/sun.misc
 *          java.management
 *          jdk.attach
 *          jdk.management/sun.tools.attach
 * @run main/othervm/timeout=780 TestOptionsWithRanges
 */

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import jdk.test.lib.Asserts;
import optionsvalidation.JVMOption;
import optionsvalidation.JVMOptionsUtils;

public class TestOptionsWithRanges {

    public static void main(String[] args) throws Exception {
        int failedTests;
        Map<String, JVMOption> allOptionsAsMap = JVMOptionsUtils.getOptionsWithRangeAsMap();
        List<JVMOption> allOptions;

        /*
         * Remove CICompilerCount from testing because currently it can hang system
         */
        allOptionsAsMap.remove("CICompilerCount");

        /*
         * JDK-8136766
         * Temporarily remove ThreadStackSize from testing because Windows can set it to 0
         * (for default OS size) but other platforms insist it must be greater than 0
        */
        allOptionsAsMap.remove("ThreadStackSize");

        /*
         * Exclude MallocMaxTestWords as it is expected to exit VM at small values (>=0)
         */
        allOptionsAsMap.remove("MallocMaxTestWords");

        /*
         * Exclude below options as their maximum value would consume too much memory
         * and would affect other tests that run in parallel.
         */
        allOptionsAsMap.remove("G1ConcRefinementThreads");
        allOptionsAsMap.remove("G1RSetRegionEntries");
        allOptionsAsMap.remove("G1RSetSparseRegionEntries");
        allOptionsAsMap.remove("G1UpdateBufferSize");
        allOptionsAsMap.remove("InitialBootClassLoaderMetaspaceSize");

        /*
         * Remove parameters controlling the code cache. As these
         * parameters have implications on the physical memory
         * reserved by the VM, setting them to large values may hang
         * the system and/or may cause concurrently executed tests to
         * fail. These parameters are rigorously checked when the code
         * cache is initialized (see
         * hotspot/src/shared/vm/code/codeCache.cpp), therefore
         * omitting testing for them does not pose a problem.
         */
        allOptionsAsMap.remove("InitialCodeCacheSize");
        allOptionsAsMap.remove("CodeCacheMinimumUseSpace");
        allOptionsAsMap.remove("ReservedCodeCacheSize");
        allOptionsAsMap.remove("NonProfiledCodeHeapSize");
        allOptionsAsMap.remove("ProfiledCodeHeapSize");
        allOptionsAsMap.remove("NonNMethodCodeHeapSize");
        allOptionsAsMap.remove("CodeCacheExpansionSize");

        allOptions = new ArrayList<>(allOptionsAsMap.values());

        Asserts.assertGT(allOptions.size(), 0, "Options with ranges not found!");

        System.out.println("Parsed " + allOptions.size() + " options with ranges. Start test!");

        failedTests = JVMOptionsUtils.runCommandLineTests(allOptions);

        Asserts.assertEQ(failedTests, 0,
                String.format("%d tests failed! %s", failedTests, JVMOptionsUtils.getMessageWithFailures()));
    }
}