SSLClientSocket::IsConnected should care for internal buffers

net/base/nss_memio.c

 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // Written in NSPR style to also be suitable for adding to the NSS demo suite
 
 /* memio is a simple NSPR I/O layer that lets you decouple NSS from
  * the real network.  It's rather like openssl's memory bio,
  * and is useful when your app absolutely, positively doesn't
  * want to let NSS do its own networking.
  */
@@ skipping 384 matching lines @@
 
 int memio_GetReadParams(memio_Private *secret, char **buf)
 {
     struct memio_buffer* mb = &((PRFilePrivate *)secret)->readbuf;
     PR_ASSERT(mb->bufsize);
 
     *buf = &mb->buf[mb->tail];
     return memio_buffer_unused_contiguous(mb);
 }
 
+int memio_GetReadableBufferSize(memio_Private *secret)
+{
+    struct memio_buffer* mb = &((PRFilePrivate *)secret)->readbuf;
+    PR_ASSERT(mb->bufsize);
+
+    return memio_buffer_used_contiguous(mb);
+}
+
 void memio_PutReadResult(memio_Private *secret, int bytes_read)
 {
     struct memio_buffer* mb = &((PRFilePrivate *)secret)->readbuf;
     PR_ASSERT(mb->bufsize);
 
     if (bytes_read > 0) {
         mb->tail += bytes_read;
         if (mb->tail == mb->bufsize)
             mb->tail = 0;
     } else if (bytes_read == 0) {
@@ skipping 87 matching lines @@
     CHECKEQ(memio_buffer_unused_contiguous(&mb), 0);
     CHECKEQ(memio_buffer_used_contiguous(&mb), 1);
 
     /* TODO: add more cases */
 
     printf("Test passed\n");
     exit(0);
 }
 
 #endif