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-rw-r--r--tests/check/libs/sparsefile.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/tests/check/libs/sparsefile.c b/tests/check/libs/sparsefile.c
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+++ b/tests/check/libs/sparsefile.c
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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];
+ 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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