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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
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import com.oracle.java.testlibrary.JDKToolFinder;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.ProcessTools;
import com.oracle.java.testlibrary.Platform;

/*
 * @test TestCardTablePageCommits
 * @key gc
 * @bug 8059066
 * @summary Tests that the card table does not commit the same page twice
 * @library /testlibrary
 * @modules java.base/sun.misc
 *          java.management
 * @run driver TestCardTablePageCommits
 */
public class TestCardTablePageCommits {
    public static void main(String args[]) throws Exception {
        // The test is run with a small heap to make sure all pages in the card
        // table gets committed. Need 8 MB heap to trigger the bug on SPARC
        // because of 8kB pages, assume 4 KB pages for all other CPUs.
        String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m";

        String[] opts = {Xmx, "-XX:NativeMemoryTracking=detail", "-XX:+UseParallelGC", "-version"};
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(opts);
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldHaveExitValue(0);
    }
}