1 files changed, 80 insertions, 0 deletions
diff --git a/tests/libntp/vi64ops.c b/tests/libntp/vi64ops.c
new file mode 100644
index 0000000000000..843c0a334b73b
--- /dev/null
+++ b/tests/libntp/vi64ops.c
@@ -0,0 +1,80 @@
+#include "config.h"
+
+#include "ntp_stdlib.h"
+#include "vint64ops.h"
+
+#include "unity.h"
+
+
+int IsEqual(const vint64 expected, const vint64 actual);
+void test_ParseVUI64_pos(void);
+void test_ParseVUI64_neg(void);
+void test_ParseVUI64_case(void);
+
+
+// technically bool
+int
+IsEqual(const vint64 expected, const vint64 actual) {
+	if (0 == memcmp(&expected, &actual, sizeof(vint64))) {
+		printf( "%x.", expected.D_s.hi);
+		printf("%x", expected.D_s.lo);
+		printf(" but was ");
+		printf("%x.", actual.D_s.hi);
+		printf("%x\n", actual.D_s.lo);
+		return TRUE;
+	} else {
+		printf("expected: ");
+		printf( "%d.", expected.D_s.hi);
+		printf("%d", expected.D_s.lo);
+		printf(" but was ");
+		printf("%d", actual.D_s.lo);
+		printf("%d", actual.D_s.lo);
+		return FALSE;
+	}
+}
+
+// ----------------------------------------------------------------------
+// test number parser
+void
+test_ParseVUI64_pos(void) {
+	vint64 act, exp;
+	const char *sp;
+	char       *ep;
+
+	sp         = "1234x";
+	exp.D_s.hi = 0;
+	exp.D_s.lo = 1234;
+	act        = strtouv64(sp, &ep, 0);
+
+	TEST_ASSERT_TRUE(IsEqual(exp, act));
+	TEST_ASSERT_EQUAL(*ep, 'x');
+}
+
+
+void
+test_ParseVUI64_neg(void) {
+	vint64 act, exp;
+	const char *sp;
+	char       *ep;
+
+	sp         = "-1234x";
+	exp.D_s.hi = ~0;
+	exp.D_s.lo = -1234;
+	act        = strtouv64(sp, &ep, 0);
+	TEST_ASSERT_TRUE(IsEqual(exp, act));
+	TEST_ASSERT_EQUAL(*ep, 'x');
+}
+
+void
+test_ParseVUI64_case(void) {
+	vint64 act, exp;
+	const char *sp;
+	char       *ep;
+
+	sp         = "0123456789AbCdEf";
+	exp.D_s.hi = 0x01234567;
+	exp.D_s.lo = 0x89ABCDEF;
+	act        = strtouv64(sp, &ep, 16);
+	TEST_ASSERT_TRUE(IsEqual(exp, act));
+	TEST_ASSERT_EQUAL(*ep, '\0');
+}