TestUnrecognizedVmOption.java

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/*
 * @test
 * @bug 7162488
 * @summary VM should print unrecognized -XX option
 * @library /test/lib
 * @run driver TestUnrecognizedVmOption
 */
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;

public class TestUnrecognizedVmOption {
    static final String OPTION="this_is_not_an_option";

    public static void main(String[] args) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
            "-showversion", "-XX:" + OPTION);
        new OutputAnalyzer(pb.start())
            .shouldNotHaveExitValue(0)
            .shouldContain("Unrecognized VM option")
            .shouldContain(OPTION);
    }
}