test/sun/nio/cs/NIOJISAutoDetectTest.java

@@ -21,11 +21,11 @@
  * questions.
  */
 
 /*
  * @test
- * @bug 4831163 5053096 5056440
+ * @bug 4831163 5053096 5056440 8022224
  * @summary NIO charset basic verification of JISAutodetect decoder
  * @author Martin Buchholz
  */
 
 import java.io.*;

@@ -237,10 +237,18 @@
             check(res.isUnderflow(), "isUnderflow");
             check(bb.position() == 2, "bb.position()");
             check(cb.position() == 2, "cb.position()");
         }
 
+        // test #8022224
+        Charset cs = Charset.forName("x-JISAutoDetect");
+        ByteBuffer bb = ByteBuffer.wrap(new byte[] { 'a', 0x1b, 0x24, 0x40 });
+        CharBuffer cb = CharBuffer.wrap(new char[10]);
+        CoderResult cr = cs.newDecoder().decode(bb, cb, false);
+        bb.rewind();
+        cb.clear().limit(1);
+        check(cr == cs.newDecoder().decode(bb, cb, false), "#8022224");
 
         if (failures > 0)
             throw new RuntimeException(failures + " tests failed");
     }