test/hotspot/jtreg/runtime/jni/8025979/UninitializedStrings.java

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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;
        }
    }
}