TestAlignment.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
 * 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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package gc.epsilon;

/**
 * @test TestAlignment
 * @requires vm.gc.Epsilon
 * @summary Check Epsilon runs fine with (un)usual alignments
 * @bug 8212005
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:+UseTLAB gc.epsilon.TestAlignment
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:-UseTLAB gc.epsilon.TestAlignment
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:+UseTLAB -XX:+IgnoreUnrecognizedVMOptions -XX:ObjectAlignmentInBytes=16 gc.epsilon.TestAlignment
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:-UseTLAB -XX:+IgnoreUnrecognizedVMOptions -XX:ObjectAlignmentInBytes=16 gc.epsilon.TestAlignment
 */

public class TestAlignment {
    static Object sink;

    public static void main(String[] args) throws Exception {
        for (int c = 0; c < 1000; c++) {
            sink = new byte[c];
        }
    }
}