From: Yannick Brosseau <yannick.brosseau@gmail.com>
Date: Sat, 17 Nov 2012 16:22:01 +0000 (-0500)
Subject: Adding a test which do a sequence of seek BEGIN, LAST, BEGIN, LAST
X-Git-Tag: v1.0.1~6
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=52105e87f4f93d97f413c40820471637a8070a4a

Adding a test which do a sequence of seek BEGIN, LAST, BEGIN, LAST

Signed-off-by: Yannick Brosseau <yannick.brosseau@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/tests/lib/test-seeks.c b/tests/lib/test-seeks.c
index c6abf2c1..47bb42e2 100644
--- a/tests/lib/test-seeks.c
+++ b/tests/lib/test-seeks.c
@@ -32,7 +32,7 @@
 #include "common.h"
 #include "tap.h"
 
-#define NR_TESTS	11
+#define NR_TESTS	23
 
 void run_seek_begin(char *path, uint64_t expected_begin)
 {
@@ -134,6 +134,87 @@ void run_seek_last(char *path, uint64_t expected_last)
 	bt_context_put(ctx);
 }
 
+void run_seek_cycles(char *path,
+		uint64_t expected_begin,
+		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;
+
+	/* 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 = bt_ctf_get_timestamp(event);
+
+	ok1(timestamp == 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");
+
+	/* Seek to 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 at first position");
+
+	timestamp = bt_ctf_get_timestamp(event);
+
+	ok1(timestamp == expected_begin);
+
+	/* Seek last again */
+	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 = bt_ctf_get_timestamp(event);
+
+	ok1(timestamp == expected_last);
+
+	bt_context_put(ctx);
+}
+
 int main(int argc, char **argv)
 {
 	char *path;
@@ -162,6 +243,7 @@ int main(int argc, char **argv)
 
 	run_seek_begin(path, expected_begin);
 	run_seek_last(path, expected_last);
+	run_seek_cycles(path, expected_begin, expected_last);
 
 	return exit_status();
 }