OomWhileParsingRepeatedJsr.java

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/*
 * @test OomWhileParsingRepeatedJsr
 * @summary Testing class file parser; specifically parsing
 *          a file with repeated JSR (jump local subroutine)
 *          bytecode command.
 * @bug 6878713
 * @bug 7030610
 * @bug 7037122
 * @bug 7123945
 * @bug 8016029
 * @library /testlibrary
 * @run main OomWhileParsingRepeatedJsr
 */

import com.oracle.java.testlibrary.*;


public class OomWhileParsingRepeatedJsr {

    public static void main(String[] args) throws Exception {

        // ======= Configure the test
        String jarFile = System.getProperty("test.src") + "/testcase.jar";
        String className = "OOMCrashClass1960_2";

        // limit is 768MB in native words
        int mallocMaxTestWords = (1024 * 1024 * 768 / 4);
        if (Platform.is64bit())
            mallocMaxTestWords = (mallocMaxTestWords / 2);

        // ======= extract the test class
        ProcessBuilder pb = new ProcessBuilder(new String[] {
            JDKToolFinder.getJDKTool("jar"),
            "xvf", jarFile } );
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldHaveExitValue(0);

        // ======= execute the test
        pb = ProcessTools.createJavaProcessBuilder(
            "-cp", ".",
            "-XX:+UnlockDiagnosticVMOptions",
            "-XX:MallocMaxTestWords=" + mallocMaxTestWords,
            className );

        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Cannot reserve enough memory");
    }
}