hotspot/test/runtime/jni/8025979/UninitializedStrings.java
author stsmirno
Thu, 14 May 2015 10:12:51 -0700
changeset 30748 653bc416d9ae
permissions -rw-r--r--
8025979: [TESTBUG] Write test to exercise uninitialized strings from JNI code Reviewed-by: ctornqvi, dsimms

/*
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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).
 *
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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
 * @bug 8025979
 * @summary
 * regression tests for 8025922, verify uninitialized strings reference.
 * Affects:
 * GetStringLength
 * GetStringChars
 * GetStringUTFLength
 * GetStringUTFChars
 * @run main/native UninitializedStrings all
 */

public class UninitializedStrings {

    static {
        System.loadLibrary("UninitializedStrings");
    }

    native static void lengthTest();

    native static void charsTest();

    native static void utfLengthTest();

    native static void utfCharsTest();

    /**
     * @param args the command line arguments
     * @throws java.lang.Exception
     */
    public static void main(String[] args) throws Exception {
        if (args.length != 1) {
            throw new RuntimeException("invalid number of input arguments");
        }

        switch (args[0]) {
            case "length":
                lengthTest();
                break;
            case "chars":
                charsTest();
                break;
            case "utf_length":
                utfLengthTest();
                break;
            case "utf_chars":
                utfCharsTest();
                break;
            default:
                lengthTest();
                charsTest();
                utfLengthTest();
                utfCharsTest();
                break;
        }
    }
}