test/runtime/ErrorHandling/TestExitOnOutOfMemoryError.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test TestExitOnOutOfMemoryError
 * @summary Test using -XX:ExitOnOutOfMemoryError
 * @library /testlibrary
 * @build jdk.test.lib.*
 * @run driver TestExitOnOutOfMemoryError
 * @bug 8138745
 */

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

public class TestExitOnOutOfMemoryError {

    public static void main(String[] args) throws Exception {
        if (args.length == 1) {
            // This should guarantee to throw:
            // java.lang.OutOfMemoryError: Requested array size exceeds VM limit
            try {
                Object[] oa = new Object[Integer.MAX_VALUE];
                throw new Error("OOME not triggered");
            } catch (OutOfMemoryError err) {
                throw new Error("OOME didn't terminate JVM!");
            }
        }

        // else this is the main test
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+ExitOnOutOfMemoryError",
                "-Xmx64m", TestExitOnOutOfMemoryError.class.getName(), "throwOOME");
        OutputAnalyzer output = new OutputAnalyzer(pb.start());

        /*
         * Actual output should look like this:
         * Terminating due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit
         */
        output.shouldHaveExitValue(3);
        output.shouldContain("Terminating due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit");
        System.out.println("PASSED");
    }
}