gstreamer_core/tsrc/check/gst/gstbuffer/src/gstbuffer.c
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:16:41 +0100
branchRCL_3
changeset 30 7e817e7e631c
parent 29 567bb019e3e3
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201010 Kit: 201035

/* GStreamer
 *
 * unit test for GstBuffer
 *
 * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */



#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#ifdef HAVE_VALGRIND
# include <valgrind/valgrind.h>
#else
# define RUNNING_ON_VALGRIND FALSE
#endif


#define LOG_FILE "c:\\logs\\gstbuffer_logs.txt" 

#include <gst/gst_global.h>
#include "std_log_result.h" 
#define LOG_FILENAME_LINE __FILE__, __LINE__

#include <gst/check/gstcheck.h>

#include <libgstreamer_wsd_macros.h>

#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(raised_critical,gstcheck,gboolean)
#define _gst_check_raised_critical (*GET_GSTREAMER_WSD_VAR_NAME(raised_critical,gstcheck,g)())
#else 
extern gboolean _gst_check_raised_critical;
#endif
//gboolean _gst_check_raised_warning = FALSE;
#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(raised_warning,gstcheck,gboolean)
#define _gst_check_raised_warning (*GET_GSTREAMER_WSD_VAR_NAME(raised_warning,gstcheck,g)())
#else 
extern gboolean _gst_check_raised_warning;
#endif
//gboolean _gst_check_expecting_log = FALSE;
#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(expecting_log,gstcheck,gboolean)
#define _gst_check_expecting_log (*GET_GSTREAMER_WSD_VAR_NAME(expecting_log,gstcheck,g)())
#else 
extern gboolean _gst_check_expecting_log;
#endif

//gboolean _gst_check_expecting_log = FALSE;
#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(threads_running,gstcheck,gboolean)
#define _gst_check_threads_running (*GET_GSTREAMER_WSD_VAR_NAME(threads_running,gstcheck,g)())
#else 
extern gboolean _gst_check_threads_running;
#endif



#if EMULATOR
GET_GLOBAL_VAR_FROM_TLS(thread_list,gstcheck,GList*)
#define thread_list (*GET_GSTREAMER_WSD_VAR_NAME(thread_list,gstcheck,g)())
#else 
extern GList *thread_list;
#endif

//GMutex *mutex;
#if EMULATOR
GET_GLOBAL_VAR_FROM_TLS(mutex,gstcheck,GMutex*)
#define mutex (*GET_GSTREAMER_WSD_VAR_NAME(mutex,gstcheck,g)())
#else 
extern GMutex *mutex;
#endif

//GCond *start_cond;              /* used to notify main thread of thread startups */
#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(start_cond,gstcheck,GCond*)
#define start_cond (*GET_GSTREAMER_WSD_VAR_NAME(start_cond,gstcheck,g)())
#else 
extern GCond *start_cond;
#endif

//GCond *sync_cond;               /* used to synchronize all threads and main thread */
#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(sync_cond,gstcheck,GCond*)
#define sync_cond (*GET_GSTREAMER_WSD_VAR_NAME(sync_cond,gstcheck,g)())
#else 
extern GCond *sync_cond;
#endif

void create_xml(int result)
{
    if(result)
        assert_failed = 1;
    
    testResultXml(xmlfile);
    close_log_file();
}

#include "libgstreamer_wsd_solution.h" 

#if EMULATOR
static GET_GLOBAL_VAR_FROM_TLS(buffers,gstcheck,GList*)
#define buffers (*GET_GSTREAMER_WSD_VAR_NAME(buffers,gstcheck,g)())
#else 
extern GList *buffers;
#endif


void test_caps()
{
  GstBuffer *buffer;
  GstCaps *caps, *caps2;
  
    xmlfile = "test_caps";
    std_log(LOG_FILENAME_LINE, "Test Started test_caps");
    
    
  buffer = gst_buffer_new_and_alloc (4);
  caps = gst_caps_from_string ("audio/x-raw-int");
  ASSERT_CAPS_REFCOUNT (caps, "caps", 1);

  fail_unless (GST_BUFFER_CAPS (buffer) == NULL);

  gst_buffer_set_caps (buffer, caps);
  ASSERT_CAPS_REFCOUNT (caps, "caps", 2);

  fail_unless (GST_BUFFER_CAPS (buffer) == caps);
  ASSERT_CAPS_REFCOUNT (caps, "caps", 2);

  fail_unless (gst_buffer_get_caps (buffer) == caps);
  gst_caps_unref (caps);
  ASSERT_CAPS_REFCOUNT (caps, "caps", 2);

  caps2 = gst_caps_from_string ("audio/x-raw-float");
  ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);

  gst_buffer_set_caps (buffer, caps2);
  ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
  ASSERT_CAPS_REFCOUNT (caps2, "caps2", 2);

  gst_buffer_set_caps (buffer, NULL);
  ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
  ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);

  /* clean up, with caps2 still set as caps */
  gst_buffer_set_caps (buffer, caps2);
  ASSERT_CAPS_REFCOUNT (caps2, "caps2", 2);
  gst_buffer_unref (buffer);
  ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);
  gst_caps_unref (caps);
  gst_caps_unref (caps2);
  
  
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
 
    
}




void test_subbuffer()
{
  GstBuffer *buffer, *sub;
xmlfile = "test_subbuffer";
    std_log(LOG_FILENAME_LINE, "Test Started test_subbuffer");
  buffer = gst_buffer_new_and_alloc (4);
  memset (GST_BUFFER_DATA (buffer), 0, 4);
  /* set some metadata */
  GST_BUFFER_TIMESTAMP (buffer) = 1;
  GST_BUFFER_DURATION (buffer) = 2;
  GST_BUFFER_OFFSET (buffer) = 3;
  GST_BUFFER_OFFSET_END (buffer) = 4;

  sub = gst_buffer_create_sub (buffer, 1, 2);
  fail_if (sub == NULL, "create_sub of buffer returned NULL");
  fail_unless (GST_BUFFER_SIZE (sub) == 2, "subbuffer has wrong size");
  fail_unless (memcmp (GST_BUFFER_DATA (buffer) + 1, GST_BUFFER_DATA (sub),
          2) == 0, "subbuffer contains the wrong data");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 2);
  ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
  fail_unless (GST_BUFFER_TIMESTAMP (sub) == -1,
      "subbuffer has wrong timestamp");
  fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
  fail_unless (GST_BUFFER_OFFSET (sub) == -1, "subbuffer has wrong offset");
  fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
      "subbuffer has wrong offset end");
  gst_buffer_unref (sub);

  /* create a subbuffer of size 0 */
  sub = gst_buffer_create_sub (buffer, 1, 0);
  fail_if (sub == NULL, "create_sub of buffer returned NULL");
  fail_unless (GST_BUFFER_SIZE (sub) == 0, "subbuffer has wrong size");
  fail_unless (memcmp (GST_BUFFER_DATA (buffer) + 1, GST_BUFFER_DATA (sub),
          0) == 0, "subbuffer contains the wrong data");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 2);
  ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
  gst_buffer_unref (sub);

  /* test if metadata is coppied, not a complete buffer copy so only the
   * timestamp and offset fields are copied. */
  sub = gst_buffer_create_sub (buffer, 0, 1);
  fail_if (sub == NULL, "create_sub of buffer returned NULL");
  fail_unless (GST_BUFFER_SIZE (sub) == 1, "subbuffer has wrong size");
  fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
      "subbuffer has wrong timestamp");
  fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
  fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
  fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
      "subbuffer has wrong offset end");
  gst_buffer_unref (sub);

  /* test if metadata is coppied, a complete buffer is copied so all the timing
   * fields should be copied. */
  sub = gst_buffer_create_sub (buffer, 0, 4);
  fail_if (sub == NULL, "create_sub of buffer returned NULL");
  fail_unless (GST_BUFFER_SIZE (sub) == 4, "subbuffer has wrong size");
  fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
      "subbuffer has wrong timestamp");
  fail_unless (GST_BUFFER_DURATION (sub) == 2, "subbuffer has wrong duration");
  fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
  fail_unless (GST_BUFFER_OFFSET_END (sub) == 4,
      "subbuffer has wrong offset end");

  /* clean up */
  gst_buffer_unref (sub);
  gst_buffer_unref (buffer);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
  
}



void test_is_span_fast()
{
  GstBuffer *buffer, *sub1, *sub2;
xmlfile = "test_is_span_fast";
    std_log(LOG_FILENAME_LINE, "Test Started test_is_span_fast");
  buffer = gst_buffer_new_and_alloc (4);

  sub1 = gst_buffer_create_sub (buffer, 0, 2);
  fail_if (sub1 == NULL, "create_sub of buffer returned NULL");

  sub2 = gst_buffer_create_sub (buffer, 2, 2);
  fail_if (sub2 == NULL, "create_sub of buffer returned NULL");

  fail_if (gst_buffer_is_span_fast (buffer, sub2) == TRUE,
      "a parent buffer can't be span_fasted");

  fail_if (gst_buffer_is_span_fast (sub1, buffer) == TRUE,
      "a parent buffer can't be span_fasted");

  fail_if (gst_buffer_is_span_fast (sub1, sub2) == FALSE,
      "two subbuffers next to each other should be span_fast");

  /* clean up */
  gst_buffer_unref (sub1);
  gst_buffer_unref (sub2);
  gst_buffer_unref (buffer);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}



void test_span()
{
  GstBuffer *buffer, *sub1, *sub2, *span;
xmlfile = "test_span";
    std_log(LOG_FILENAME_LINE, "Test Started test_span");
  buffer = gst_buffer_new_and_alloc (4);
  memcpy (GST_BUFFER_DATA (buffer), "data", 4);

  ASSERT_CRITICAL (gst_buffer_span (NULL, 1, NULL, 2));
  ASSERT_CRITICAL (gst_buffer_span (buffer, 1, NULL, 2));
  ASSERT_CRITICAL (gst_buffer_span (NULL, 1, buffer, 2));
  ASSERT_CRITICAL (gst_buffer_span (buffer, 0, buffer, 10));

  sub1 = gst_buffer_create_sub (buffer, 0, 2);
  fail_if (sub1 == NULL, "create_sub of buffer returned NULL");

  sub2 = gst_buffer_create_sub (buffer, 2, 2);
  fail_if (sub2 == NULL, "create_sub of buffer returned NULL");

  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);

  /* span will create a new subbuffer from the parent */
  span = gst_buffer_span (sub1, 0, sub2, 4);
  fail_unless (GST_BUFFER_SIZE (span) == 4, "spanned buffer is wrong size");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 4);
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
  ASSERT_BUFFER_REFCOUNT (span, "span", 1);
  fail_unless (memcmp (GST_BUFFER_DATA (span), "data", 4) == 0,
      "spanned buffer contains the wrong data");
  gst_buffer_unref (span);
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);

  /* span from non-contiguous buffers will create new buffers */
  span = gst_buffer_span (sub2, 0, sub1, 4);
  fail_unless (GST_BUFFER_SIZE (span) == 4, "spanned buffer is wrong size");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
  ASSERT_BUFFER_REFCOUNT (span, "span", 1);
  fail_unless (memcmp (GST_BUFFER_DATA (span), "tada", 4) == 0,
      "spanned buffer contains the wrong data");
  gst_buffer_unref (span);
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);

  /* span with different sizes */
  span = gst_buffer_span (sub1, 1, sub2, 3);
  fail_unless (GST_BUFFER_SIZE (span) == 3, "spanned buffer is wrong size");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 4);
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
  ASSERT_BUFFER_REFCOUNT (span, "span", 1);
  fail_unless (memcmp (GST_BUFFER_DATA (span), "ata", 3) == 0,
      "spanned buffer contains the wrong data");
  gst_buffer_unref (span);
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);

  span = gst_buffer_span (sub2, 0, sub1, 3);
  fail_unless (GST_BUFFER_SIZE (span) == 3, "spanned buffer is wrong size");
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
  ASSERT_BUFFER_REFCOUNT (span, "span", 1);
  fail_unless (memcmp (GST_BUFFER_DATA (span), "tad", 3) == 0,
      "spanned buffer contains the wrong data");
  gst_buffer_unref (span);
  ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);

  /* clean up */
  gst_buffer_unref (sub1);
  gst_buffer_unref (sub2);
  gst_buffer_unref (buffer);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}




static const char ro_memory[] = "abcdefghijklmnopqrstuvwxyz";

static GstBuffer *
create_read_only_buffer (void)
{
  GstBuffer *buf;

  buf = (GstBuffer *) gst_mini_object_new (GST_TYPE_BUFFER);

  /* assign some read-only data to the new buffer */
  GST_BUFFER_DATA (buf) = (guint8 *) ro_memory;
  GST_BUFFER_SIZE (buf) = sizeof (ro_memory);

  GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);

  return buf;
}

void test_make_writable()
{
  GstBuffer *buf, *buf2;
xmlfile = "test_make_writable";
    std_log(LOG_FILENAME_LINE, "Test Started test_make_writable");
  /* create read-only buffer and make it writable */
  buf = create_read_only_buffer ();
  fail_unless (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
      "read-only buffer should have read-only flag set");
  buf = gst_buffer_make_writable (buf);
  fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
      "writable buffer must not have read-only flag set");
  GST_BUFFER_DATA (buf)[4] = 'a';
  gst_buffer_unref (buf);

  /* alloc'ed buffer with refcount 1 should be writable */
  buf = gst_buffer_new_and_alloc (32);
  fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
      "_new_and_alloc'ed buffer must not have read-only flag set");
  buf2 = gst_buffer_make_writable (buf);
  fail_unless (buf == buf2,
      "_make_writable() should have returned same buffer");
  gst_buffer_unref (buf2);

  /* alloc'ed buffer with refcount >1 should be copied */
  buf = gst_buffer_new_and_alloc (32);
  fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
      "_new_and_alloc'ed buffer must not have read-only flag set");
  gst_buffer_ref (buf);
  buf2 = gst_buffer_make_writable (buf);
  fail_unless (buf != buf2, "_make_writable() should have returned a copy!");
  gst_buffer_unref (buf2);
  gst_buffer_unref (buf);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}



void test_subbuffer_make_writable()
{
  GstBuffer *buf, *sub_buf;
xmlfile = "test_subbuffer_make_writable";
    std_log(LOG_FILENAME_LINE, "Test Started test_subbuffer_make_writable");
  /* create sub-buffer of read-only buffer and make it writable */
  buf = create_read_only_buffer ();
  fail_unless (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
      "read-only buffer should have read-only flag set");

  sub_buf = gst_buffer_create_sub (buf, 0, 8);
  fail_unless (GST_BUFFER_FLAG_IS_SET (sub_buf, GST_BUFFER_FLAG_READONLY),
      "sub-buffer of read-only buffer should have read-only flag set");

  sub_buf = gst_buffer_make_writable (sub_buf);
  fail_unless (!GST_BUFFER_FLAG_IS_SET (sub_buf, GST_BUFFER_FLAG_READONLY),
      "writable buffer must not have read-only flag set");
  GST_BUFFER_DATA (sub_buf)[4] = 'a';
  gst_buffer_unref (sub_buf);
  gst_buffer_unref (buf);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}



void test_metadata_writable()
{
  GstBuffer *buffer, *sub1;
xmlfile = "test_metadata_writable";
    std_log(LOG_FILENAME_LINE, "Test Started test_metadata_writable");
  buffer = gst_buffer_new_and_alloc (4);
  GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
  GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);

  /* Buffer with refcount 1 should have writable metadata */
  fail_unless (gst_buffer_is_metadata_writable (buffer) == TRUE);

  /* Check that a buffer with refcount 2 does not have writable metadata */
  gst_buffer_ref (buffer);
  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
  fail_unless (gst_buffer_is_metadata_writable (buffer) == FALSE);

  /* Check that make_metadata_writable produces a new sub-buffer with 
   * writable metadata. */
  sub1 = gst_buffer_make_metadata_writable (buffer);
  fail_if (sub1 == buffer);
  fail_unless (gst_buffer_is_metadata_writable (sub1) == TRUE);

  /* Check that the original metadata is still not writable 
   * (subbuffer should be holding a reference, and so should we) */
  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
  fail_unless (gst_buffer_is_metadata_writable (buffer) == FALSE);

  /* Check that make_metadata_writable() maintains the buffer flags */
  fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DISCONT));
  fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DELTA_UNIT));

  /* Unset flags on writable buffer, then make sure they're still
   * set on the original buffer */
  GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DISCONT);
  GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DELTA_UNIT);
  fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT));
  fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT));

  /* Drop the subbuffer and check that the metadata is now writable again */
  ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
  gst_buffer_unref (sub1);
  fail_unless (gst_buffer_is_metadata_writable (buffer) == TRUE);

  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
  gst_buffer_unref (buffer);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}



void test_copy()
{
  GstBuffer *buffer, *copy;
xmlfile = "test_copy";
    std_log(LOG_FILENAME_LINE, "Test Started test_copy");
  buffer = gst_buffer_new_and_alloc (4);
  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);

  copy = gst_buffer_copy (buffer);
  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
  ASSERT_BUFFER_REFCOUNT (copy, "copy", 1);
  /* data must be copied and thus point to different memory */
  fail_if (GST_BUFFER_DATA (buffer) == GST_BUFFER_DATA (copy));

  gst_buffer_unref (copy);
  gst_buffer_unref (buffer);

  /* a 0-sized buffer has NULL data as per docs */
  buffer = gst_buffer_new_and_alloc (0);
  fail_unless (GST_BUFFER_DATA (buffer) == NULL);
  fail_unless (GST_BUFFER_SIZE (buffer) == 0);

  /* copying a 0-sized buffer should not crash and also set
   * the data member NULL. */
  copy = gst_buffer_copy (buffer);
  fail_unless (GST_BUFFER_DATA (copy) == NULL);
  fail_unless (GST_BUFFER_SIZE (copy) == 0);

  gst_buffer_unref (copy);
  gst_buffer_unref (buffer);
  std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
}



void test_try_new_and_alloc()
{
  GstBuffer *buf;
xmlfile = "test_try_new_and_alloc";
    std_log(LOG_FILENAME_LINE, "Test Started test_try_new_and_alloc");
  /* special case: alloc of 0 bytes results in new buffer with NULL data */
  buf = gst_buffer_try_new_and_alloc (0);
  fail_unless (buf != NULL);
  fail_unless (GST_IS_BUFFER (buf));
  fail_unless (GST_BUFFER_SIZE (buf) == 0);
  fail_unless (GST_BUFFER_DATA (buf) == NULL);
  fail_unless (GST_BUFFER_MALLOCDATA (buf) == NULL);
  gst_buffer_unref (buf);

  /* normal alloc should still work */
#ifndef __SYMBIAN32__  
  buf = gst_buffer_try_new_and_alloc (640 * 480 * 4);
  fail_unless (buf != NULL);
  fail_unless (GST_IS_BUFFER (buf));
  fail_unless (GST_BUFFER_SIZE (buf) == (640 * 480 * 4));
  fail_unless (GST_BUFFER_DATA (buf) != NULL);
  fail_unless (GST_BUFFER_MALLOCDATA (buf) != NULL);
  GST_BUFFER_DATA (buf)[640 * 479 * 4 + 479] = 0xff;
  gst_buffer_unref (buf);
#else  
  buf = gst_buffer_try_new_and_alloc (64 * 48 * 4);
  fail_unless (buf != NULL);
  fail_unless (GST_IS_BUFFER (buf));
  fail_unless (GST_BUFFER_SIZE (buf) == (64 * 48 * 4));
  fail_unless (GST_BUFFER_DATA (buf) != NULL);
  fail_unless (GST_BUFFER_MALLOCDATA (buf) != NULL);
  GST_BUFFER_DATA (buf)[64 * 47 * 4 + 47] = 0xff;
  gst_buffer_unref (buf);
  std_log(LOG_FILENAME_LINE, "Test Successful");
  create_xml(0);
#endif    
  
#if 0
  /* Disabled this part of the test, because it happily succeeds on 64-bit
   * machines that have enough memory+swap, because the address space is large
   * enough. There's not really any way to test the failure case except by 
   * allocating chunks of memory until it fails, which would suck. */

  /* now this better fail (don't run in valgrind, it will abort
   * or warn when passing silly arguments to malloc) */
  if (!RUNNING_ON_VALGRIND) {
    buf = gst_buffer_try_new_and_alloc ((guint) - 1);
    fail_unless (buf == NULL);
    std_log(LOG_FILENAME_LINE, "Test Successful");
    create_xml(0);
  }
#endif
}

/*

void
gst_buffer_suite (void)
{
test_caps();
test_subbuffer();
test_subbuffer_make_writable();
test_make_writable();
test_is_span_fast();
test_span();
test_metadata_writable();
test_copy();
test_try_new_and_alloc();
}

*/

void (*fn[]) (void) = {
test_caps,
test_subbuffer,
test_subbuffer_make_writable,
test_make_writable,
test_is_span_fast,
test_span,
test_metadata_writable,
test_copy,
test_try_new_and_alloc
};

char *args[] = {
"test_caps",
"test_subbuffer",
"test_subbuffer_make_writable",
"test_make_writable",
"test_is_span_fast",
"test_span",
"test_metadata_writable",
"test_copy",
"test_try_new_and_alloc"
};

GST_CHECK_MAIN (gst_buffer);

/*
int main (int argc, char **argv)
{
//gst_init(&argc, &argv);
gst_check_init (NULL,NULL );
test_caps();
test_subbuffer();
test_is_span_fast();
test_span();
test_make_writable();
test_subbuffer_make_writable();
test_metadata_writable();
test_copy();
test_try_new_and_alloc();


}*/