HWKatakanaMS932EncodeTest.java

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/* @test
 * @bug 4715330
 * @summary Check MS932/windows-31j encoding (char->byte) for halfwidth katakana chars
 * @modules jdk.charsets
 */

/*
 * Tests encodeability of the Unicode defined Halfwidth Katakana
 * characters using the MS932/windows-31j encoder
 */

public class HWKatakanaMS932EncodeTest {
   public static void main(String[] args) throws Exception {

        char[] testChars = new char[1];
        byte[] testBytes = new byte[1];
        int offset = 0;
        String encoding = "windows-31j";

        // Halfwidth Katakana chars run from U+FF61 --> U+FF9F
        // and their native equivalents in Code page 932 run
        // sequentially from 0xa1 --> 0xdf

        for (int lsByte = 0x61 ; lsByte <= 0x9F; lsByte++, offset++) {
            testChars[0] = (char) (lsByte | 0xFF00);
            String s = new String(testChars);
            testBytes = s.getBytes(encoding);
            if ( testBytes[0] != (byte)(0xa1 + offset))
                throw new Exception("failed Test");
        }
    }
}