SmallCodeCacheStartup.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
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8023014
 * @summary Test ensures that there is no crash if there is not enough ReservedCodeCacheSize
 *          to initialize all compiler threads. The option -Xcomp gives the VM more time to
 *          trigger the old bug.
 * @library /testlibrary
 * @modules java.base/sun.misc
 *          java.management
 */
import com.oracle.java.testlibrary.*;
import static com.oracle.java.testlibrary.Asserts.assertTrue;

public class SmallCodeCacheStartup {
    public static void main(String[] args) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:ReservedCodeCacheSize=3m",
                                                                  "-XX:CICompilerCount=64",
                                                                  "-Xcomp",
                                                                  "-version");
        OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
        try {
            analyzer.shouldHaveExitValue(0);
        } catch (RuntimeException e) {
            // Error occurred during initialization, did we run out of adapter space?
            assertTrue(analyzer.getOutput().contains("VirtualMachineError: Out of space in CodeCache"),
                    "Expected VirtualMachineError");
        }

        System.out.println("TEST PASSED");
  }
}