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/* GStreamer
*
* unit test for cachefile helper
*
* Copyright (C) 2014 Wim Taymans <wtaymans@redhat.com>
*
* 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
#include <glib/gstdio.h>
#include <gst/check/gstcheck.h>
/* not public API for now */
#include "../../../plugins/elements/gstsparsefile.c"
static void
expect_range_before (GstSparseFile * file, gsize offset, gsize start,
gsize stop)
{
gsize tstart, tstop;
fail_unless (gst_sparse_file_get_range_before (file, offset, &tstart,
&tstop) == TRUE);
fail_unless (tstart == start);
fail_unless (tstop == stop);
}
static void
expect_range_after (GstSparseFile * file, gsize offset, gsize start, gsize stop)
{
gsize tstart, tstop;
fail_unless (gst_sparse_file_get_range_after (file, offset, &tstart,
&tstop) == TRUE);
fail_unless (tstart == start);
fail_unless (tstop == stop);
}
static gboolean
expect_write (GstSparseFile * file, gsize offset, gsize count, gsize result,
gsize avail)
{
GError *error = NULL;
gchar buffer[200] = { 0, };
gsize res, a;
res = gst_sparse_file_write (file, offset, buffer, count, &a, &error);
if (res != result)
return FALSE;
if (res == 0) {
if (error == NULL)
return FALSE;
g_clear_error (&error);
} else if (a != avail)
return FALSE;
return TRUE;
}
static gboolean
expect_read (GstSparseFile * file, gsize offset, gsize count, gsize result,
gsize avail)
{
GError *error = NULL;
gchar buffer[200];
gsize res, a;
res = gst_sparse_file_read (file, offset, buffer, count, &a, &error);
if (res != result)
return FALSE;
if (res == 0) {
if (error == NULL)
return FALSE;
g_clear_error (&error);
} else if (a != avail)
return FALSE;
return TRUE;
}
GST_START_TEST (test_write_read)
{
GstSparseFile *file;
gint fd;
gchar *name;
gsize start, stop;
name = g_strdup ("cachefile-testXXXXXX");
fd = g_mkstemp (name);
fail_if (fd == -1);
file = gst_sparse_file_new ();
fail_unless (file != NULL);
fail_unless (gst_sparse_file_set_fd (file, fd));
fail_unless (gst_sparse_file_n_ranges (file) == 0);
/* should fail, we didn't write anything yet */
fail_unless (expect_read (file, 0, 100, 0, 0));
/* no ranges, searching for a range should fail */
fail_unless (gst_sparse_file_n_ranges (file) == 0);
fail_unless (gst_sparse_file_get_range_before (file, 0, &start,
&stop) == FALSE);
fail_unless (gst_sparse_file_get_range_before (file, 10, &start,
&stop) == FALSE);
fail_unless (gst_sparse_file_get_range_after (file, 0, &start,
&stop) == FALSE);
fail_unless (gst_sparse_file_get_range_after (file, 10, &start,
&stop) == FALSE);
/* now write some data */
fail_unless (expect_write (file, 0, 100, 100, 0));
/* we have 1 range now */
fail_unless (gst_sparse_file_n_ranges (file) == 1);
expect_range_before (file, 0, 0, 100);
expect_range_after (file, 0, 0, 100);
expect_range_before (file, 100, 0, 100);
expect_range_before (file, 50, 0, 100);
expect_range_before (file, 200, 0, 100);
fail_unless (gst_sparse_file_get_range_after (file, 100, &start,
&stop) == FALSE);
expect_range_after (file, 50, 0, 100);
/* we can read all data now */
fail_unless (expect_read (file, 0, 100, 100, 0));
/* we can read less */
fail_unless (expect_read (file, 0, 50, 50, 50));
/* but we can't read more than what is written */
fail_unless (expect_read (file, 0, 101, 0, 0));
g_unlink (name);
gst_sparse_file_free (file);
g_free (name);
}
GST_END_TEST;
GST_START_TEST (test_write_merge)
{
GstSparseFile *file;
gint fd;
gchar *name;
gsize start, stop;
name = g_strdup ("cachefile-testXXXXXX");
fd = g_mkstemp (name);
fail_if (fd == -1);
file = gst_sparse_file_new ();
gst_sparse_file_set_fd (file, fd);
/* write something at offset 0 */
fail_unless (expect_write (file, 0, 100, 100, 0));
/* we have 1 range now */
fail_unless (gst_sparse_file_n_ranges (file) == 1);
expect_range_before (file, 110, 0, 100);
expect_range_after (file, 50, 0, 100);
fail_unless (gst_sparse_file_get_range_after (file, 100, &start,
&stop) == FALSE);
/* read should fail */
fail_unless (expect_read (file, 50, 150, 0, 0));
/* write something at offset 150 */
fail_unless (expect_write (file, 150, 100, 100, 0));
/* we have 2 ranges now */
fail_unless (gst_sparse_file_n_ranges (file) == 2);
expect_range_before (file, 110, 0, 100);
expect_range_after (file, 50, 0, 100);
expect_range_after (file, 100, 150, 250);
expect_range_before (file, 150, 150, 250);
/* read should still fail */
fail_unless (expect_read (file, 50, 150, 0, 0));
/* fill the hole */
fail_unless (expect_write (file, 100, 50, 50, 100));
/* we have 1 range now */
fail_unless (gst_sparse_file_n_ranges (file) == 1);
expect_range_before (file, 110, 0, 250);
expect_range_after (file, 50, 0, 250);
expect_range_after (file, 100, 0, 250);
expect_range_before (file, 150, 0, 250);
fail_unless (gst_sparse_file_get_range_after (file, 250, &start,
&stop) == FALSE);
/* read work */
fail_unless (expect_read (file, 50, 150, 150, 50));
g_unlink (name);
gst_sparse_file_free (file);
g_free (name);
}
GST_END_TEST;
static Suite *
gst_cachefile_suite (void)
{
Suite *s = suite_create ("cachefile");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_write_read);
tcase_add_test (tc_chain, test_write_merge);
return s;
}
GST_CHECK_MAIN (gst_cachefile);
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