Add test for file change detection

1 files changed, 43 insertions, 1 deletions

diff --git a/test/navigator.c b/test/navigator.c
index ca5f200..4659f80 100644
--- a/test/navigator.c
+++ b/test/navigator.c
@@ -1,8 +1,11 @@
 #include <stdarg.h>
 #include <stddef.h>
-#include <fcntl.h>
 #include <setjmp.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <cmocka.h>
+#include <errno.h>
 
 #include "navigator.h"
 
@@ -22,6 +25,45 @@ static void test_navigator_add(void **state)
   imv_navigator_destroy(&nav);
 }
 
+static void test_navigator_file_changed(void **state)
+{
+  int fd;
+  struct imv_navigator nav;
+  struct timespec times[2] = { {0, 0}, {0, 0} };
+
+  (void)state;
+  imv_navigator_init(&nav);
+
+  fd = open(FILENAME, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+  if (fd == -1) {
+    imv_navigator_destroy(&nav);
+    (void)unlink(FILENAME);
+    skip();
+  }
+  assert_false(futimens(fd, times) == -1);
+
+  imv_navigator_add(&nav, FILENAME, 0);
+  assert_true(imv_navigator_poll_changed(&nav, 0));
+  assert_false(imv_navigator_poll_changed(&nav, 0));
+
+  assert_false(sleep(1));
+
+  fd = open(FILENAME, O_RDWR);
+  assert_false(fd == -1);
+
+  times[0].tv_nsec = UTIME_NOW;
+  times[0].tv_sec = UTIME_NOW;
+  times[1].tv_nsec = UTIME_NOW;
+  times[1].tv_sec = UTIME_NOW;
+  assert_false(futimens(fd, times) == -1);
+
+  assert_true(imv_navigator_poll_changed(&nav, 0));
+
+  (void)close(fd);
+  (void)unlink(FILENAME);
+  imv_navigator_destroy(&nav);
+}
+
 int main(void)
 {
   const struct CMUnitTest tests[] = {