test/compiler/codecache/CheckReservedInitialCodeCacheSizeArgOrder.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 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
 * @bug 8013496
 * @summary Test checks that the order in which ReversedCodeCacheSize and
 *          InitialCodeCacheSize are passed to the VM is irrelevant.
 * @library /testlibrary
 *
 */
import com.oracle.java.testlibrary.*;

public class CheckReservedInitialCodeCacheSizeArgOrder {
  public static void main(String[] args) throws Exception {
    ProcessBuilder pb1,  pb2;
    OutputAnalyzer out1, out2;

    pb1 = ProcessTools.createJavaProcessBuilder("-XX:InitialCodeCacheSize=4m", "-XX:ReservedCodeCacheSize=8m", "-version");
    pb2 = ProcessTools.createJavaProcessBuilder("-XX:ReservedCodeCacheSize=8m", "-XX:InitialCodeCacheSize=4m", "-version");

    out1 = new OutputAnalyzer(pb1.start());
    out2 = new OutputAnalyzer(pb2.start());

    // Check that the outputs are equal
    if (out1.getStdout().compareTo(out2.getStdout()) != 0) {
      throw new RuntimeException("Test failed");
    }

    out1.shouldHaveExitValue(0);
    out2.shouldHaveExitValue(0);
  }
}