test/java/nio/Buffer/BasicChar.java

@@ -363,12 +363,15 @@
 
         // CharSequence ops
 
         b.position(2);
         ck(b, b.charAt(1), 'd');
-        CharBuffer c = (CharBuffer)b.subSequence(1, 4);
-        ck(b, b.subSequence(1, 4).toString().equals("def"));
+        CharBuffer c = b.subSequence(1, 4);
+        ck(c, c.capacity(), b.capacity());
+        ck(c, c.position(), b.position()+1);
+        ck(c, c.limit(), b.position()+4);
+        ck(c, b.subSequence(1, 4).toString().equals("def"));
 
         // 4938424
         b.position(4);
         ck(b, b.charAt(1), 'f');
         ck(b, b.subSequence(1, 3).toString().equals("fg"));

@@ -720,10 +723,12 @@
                     b.put('x');
                 }});
         ck(b, start, b.position());
         ck(b, end, b.limit());
         ck(b, s.length(), b.capacity());
+        b.position(6);
+        ck(b, b.subSequence(0,3).toString().equals("ghi"));
 
         // The index, relative to the position, must be non-negative and
         // smaller than remaining().
         tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
                 public void run() {