Include a test for SEEK_BEGIN and SEEK_LAST

[babeltrace.git] / tests / lib / test-seeks.c

diff --git a/tests/lib/test-seeks.c b/tests/lib/test-seeks.c
new file mode 100644 (file)
index 0000000..c6abf2c
--- /dev/null
+++ b/tests/lib/test-seeks.c
@@ -0,0 +1,167 @@
+/*
+ * test-seeks.c
+ *
+ * Lib BabelTrace - Seeks test program
+ *
+ * Copyright 2012 - Yannick Brosseau <yannick.brosseau@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#define _GNU_SOURCE
+#include <babeltrace/context.h>
+#include <babeltrace/iterator.h>
+#include <babeltrace/ctf/iterator.h>
+#include <babeltrace/ctf/events.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <limits.h>
+
+#include "common.h"
+#include "tap.h"
+
+#define NR_TESTS       11
+
+void run_seek_begin(char *path, uint64_t expected_begin)
+{
+       struct bt_context *ctx;
+       struct bt_ctf_iter *iter;
+       struct bt_ctf_event *event;
+       struct bt_iter_pos newpos;
+       int ret;
+       uint64_t timestamp_begin;
+       uint64_t timestamp_seek_begin;
+
+       /* Open the trace */
+       ctx = create_context_with_path(path);
+       if (!ctx) {
+               plan_skip_all("Cannot create valid context");
+       }
+
+       /* Create iterator with null begin and end */
+       iter = bt_ctf_iter_create(ctx, NULL, NULL);
+       if (!iter) {
+               plan_skip_all("Cannot create valid iterator");
+       }
+
+       event = bt_ctf_iter_read_event(iter);
+
+       ok(event, "Event valid");
+
+       /* Validate that the first timestamp is right */
+       timestamp_begin = bt_ctf_get_timestamp(event);
+
+       ok1(timestamp_begin == expected_begin);
+
+       /* Validate that we get the same value after a seek begin */
+       newpos.type = BT_SEEK_BEGIN;
+       ret = bt_iter_set_pos(bt_ctf_get_iter(iter), &newpos);
+
+       ok(ret == 0, "Seek begin retval %d", ret);
+
+       event = bt_ctf_iter_read_event(iter);
+
+       ok(event, "Event valid");
+
+       timestamp_seek_begin = bt_ctf_get_timestamp(event);
+
+       ok1(timestamp_begin == timestamp_seek_begin);
+
+       bt_context_put(ctx);
+}
+
+
+void run_seek_last(char *path, uint64_t expected_last)
+{
+       struct bt_context *ctx;
+       struct bt_ctf_iter *iter;
+       struct bt_ctf_event *event;
+       struct bt_iter_pos newpos;
+       int ret;
+       uint64_t timestamp_last;
+
+       /* Open the trace */
+       ctx = create_context_with_path(path);
+       if (!ctx) {
+               plan_skip_all("Cannot create valid context");
+       }
+
+       /* Create iterator with null last and end */
+       iter = bt_ctf_iter_create(ctx, NULL, NULL);
+       if (!iter) {
+               plan_skip_all("Cannot create valid iterator");
+       }
+
+       event = bt_ctf_iter_read_event(iter);
+
+       ok(event, "Event valid at beginning");
+
+       /* Seek to last */
+       newpos.type = BT_SEEK_LAST;
+       ret = bt_iter_set_pos(bt_ctf_get_iter(iter), &newpos);
+
+       ok(ret == 0, "Seek last retval %d", ret);
+
+       event = bt_ctf_iter_read_event(iter);
+
+       ok(event, "Event valid at last position");
+
+       timestamp_last = bt_ctf_get_timestamp(event);
+
+       ok1(timestamp_last == expected_last);
+
+       /* Try to read next event */
+       ret = bt_iter_next(bt_ctf_get_iter(iter));
+
+       ok(ret == 0, "iter next should return an error");
+
+       event = bt_ctf_iter_read_event(iter);
+
+       ok(event == 0, "Event after last should be invalid");
+
+       bt_context_put(ctx);
+}
+
+int main(int argc, char **argv)
+{
+       char *path;
+       uint64_t expected_begin;
+       uint64_t expected_last;
+
+       plan_tests(NR_TESTS);
+
+       if (argc < 4) {
+               plan_skip_all("Invalid arguments: need a trace path and the start and last timestamp");
+
+       }
+
+       /* Parse arguments (Trace, begin timestamp) */
+       path = argv[1];
+
+       expected_begin = strtoull(argv[2], NULL, 0);
+       if (ULLONG_MAX == expected_begin && errno == ERANGE) {
+               plan_skip_all("Invalid value for begin timestamp");
+       }
+
+       expected_last = strtoull(argv[3], NULL, 0);
+       if (ULLONG_MAX == expected_last && errno == ERANGE) {
+               plan_skip_all("Invalid value for last timestamp");
+       }
+
+       run_seek_begin(path, expected_begin);
+       run_seek_last(path, expected_last);
+
+       return exit_status();
+}