NonBooleanFlagWithInvalidBooleanPrefix.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8006298
 * @summary Using a bool (+/-) prefix on non-bool flag should result in a useful error message
 * @library /testlibrary
 */

import com.oracle.java.testlibrary.*;

public class NonBooleanFlagWithInvalidBooleanPrefix {
  public static void main(String[] args) throws Exception {
    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
        "-XX:-MaxRAMFraction=16", "-version");

    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldContain("Unexpected +/- setting in VM option 'MaxRAMFraction=16'");
    output.shouldHaveExitValue(1);

    pb = ProcessTools.createJavaProcessBuilder(
        "-XX:+MaxRAMFraction=16", "-version");

    output = new OutputAnalyzer(pb.start());
    output.shouldContain("Unexpected +/- setting in VM option 'MaxRAMFraction=16'");
    output.shouldHaveExitValue(1);

  }
}