1 files changed, 35 insertions, 0 deletions
diff --git a/tests/libntp/ymd2yd.c b/tests/libntp/ymd2yd.c
new file mode 100644
index 000000000000..8e0725c13866
--- /dev/null
+++ b/tests/libntp/ymd2yd.c
@@ -0,0 +1,35 @@
+#include "config.h"
+
+#include "ntp_stdlib.h"
+#include "ntp_calendar.h"
+
+#include "unity.h"
+
+void setUp(void)
+{ 
+}
+
+void tearDown(void)
+{
+}
+
+
+void test_NonLeapYearFebruary (void) {
+	TEST_ASSERT_EQUAL(31+20, ymd2yd(2010,2,20)); //2010-02-20
+}
+
+void test_NonLeapYearJune (void) {
+	int expected = 31+28+31+30+31+18; // 18 June non-leap year
+	TEST_ASSERT_EQUAL(expected, ymd2yd(2011,6,18));
+}
+
+void test_LeapYearFebruary (void) {
+	TEST_ASSERT_EQUAL(31+20, ymd2yd(2012,2,20)); //2012-02-20 (leap year)
+}
+
+void test_LeapYearDecember (void) {
+	// 2012-12-31
+	int expected = 31+29+31+30+31+30+31+31+30+31+30+31;
+	TEST_ASSERT_EQUAL(expected, ymd2yd(2012,12,31));
+}
+