test/jdk/java/io/ByteArrayInputStream/ReadAllReadNTransferTo.java

*** 43,76 ****
      private static Random random = RandomFactory.getRandom();
  
      public static void main(String... args) throws IOException {
          byte[] buf = new byte[SIZE];
          random.nextBytes(buf);
!         int offset = random.nextInt(SIZE/2);
!         int length = random.nextInt(SIZE - offset);
  
          ByteArrayInputStream bais =
!             new ByteArrayInputStream(buf, offset, length);
!         int off = random.nextInt(length/2);
!         int len = random.nextInt(length - off);
  
          byte[] bN = new byte[off + len];
          if (bais.readNBytes(bN, off, len) != len) {
              throw new RuntimeException("readNBytes return value");
          }
          if (!Arrays.equals(bN, off, off + len,
!             buf, offset, offset + len)) {
              throw new RuntimeException("readNBytes content");
          }
  
          byte[] bAll = bais.readAllBytes();
          Objects.requireNonNull(bAll, "readAllBytes return value");
!         if (bAll.length != length - len) {
              throw new RuntimeException("readAllBytes return value length");
          }
          if (!Arrays.equals(bAll, 0, bAll.length,
!             buf, offset + len, offset + len + bAll.length)) {
              throw new RuntimeException("readAllBytes content");
          }
  
          // XXX transferTo()
          bais = new ByteArrayInputStream(buf);
--- 43,76 ----
      private static Random random = RandomFactory.getRandom();
  
      public static void main(String... args) throws IOException {
          byte[] buf = new byte[SIZE];
          random.nextBytes(buf);
!         int position = random.nextInt(SIZE/2);
!         int size = random.nextInt(SIZE - position);
  
          ByteArrayInputStream bais =
!             new ByteArrayInputStream(buf, position, size);
!         int off = random.nextInt(size/2);
!         int len = random.nextInt(size- off);
  
          byte[] bN = new byte[off + len];
          if (bais.readNBytes(bN, off, len) != len) {
              throw new RuntimeException("readNBytes return value");
          }
          if (!Arrays.equals(bN, off, off + len,
!             buf, position, position + len)) {
              throw new RuntimeException("readNBytes content");
          }
  
          byte[] bAll = bais.readAllBytes();
          Objects.requireNonNull(bAll, "readAllBytes return value");
!         if (bAll.length != size - len) {
              throw new RuntimeException("readAllBytes return value length");
          }
          if (!Arrays.equals(bAll, 0, bAll.length,
!             buf, position + len, position + len + bAll.length)) {
              throw new RuntimeException("readAllBytes content");
          }
  
          // XXX transferTo()
          bais = new ByteArrayInputStream(buf);