tests: lib: c_lib: add a test for clock()

Add a test for the ISO C `clock()` function, which has been present since C89. Signed-off-by: Christopher Friedt <[email protected]>
zephyrproject-rtos · Aug 1, 2023 · c0c3b78 · c0c3b78
1 parent 84d5f6e
commit c0c3b78
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/tests/lib/c_lib/src/main.c b/tests/lib/c_lib/src/main.c
@@ -1236,3 +1236,14 @@ ZTEST(test_c_lib, test_exit)
 	k_thread_abort(tid);
 	zassert_equal(a, 0, "exit failed");
 }
+
+ZTEST(test_c_lib, test_clock)
+{
+	clock_t then;
+	clock_t now;
+
+	then = clock();
+	k_sleep(K_TICKS(1));
+	now = clock();
+	zassert_true(now > then);
+}