1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/ntp/tests/libntp/g_vi64ops.cpp b/contrib/ntp/tests/libntp/g_vi64ops.cpp
new file mode 100644
index 0000000000000..29f7932b37a0c
--- /dev/null
+++ b/contrib/ntp/tests/libntp/g_vi64ops.cpp
@@ -0,0 +1,64 @@
+#include "g_libntptest.h"
+
+extern "C" {
+#include "vint64ops.h"
+}
+
+class vi64Test : public libntptest {
+public:
+	::testing::AssertionResult IsEqual(const vint64 &expected, const vint64 &actual) {
+		if (0 == memcmp(&expected, &actual, sizeof(vint64))) {
+			return ::testing::AssertionSuccess();
+		} else {
+			return ::testing::AssertionFailure()
+			    << "expected: "
+			    << std::hex << expected.D_s.hi << '.'
+			    << std::hex << expected.D_s.lo
+			    << " but was "
+			    << std::hex << actual.D_s.hi << '.'
+			    << std::hex << actual.D_s.lo;
+		}
+	}
+};
+
+// ----------------------------------------------------------------------
+// test number parser
+TEST_F(vi64Test, ParseVUI64_pos) {
+	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);
+	EXPECT_TRUE(IsEqual(exp, act));
+	EXPECT_EQ(*ep, 'x');
+}
+
+TEST_F(vi64Test, ParseVUI64_neg) {
+	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);
+	EXPECT_TRUE(IsEqual(exp, act));
+	EXPECT_EQ(*ep, 'x');
+}
+
+TEST_F(vi64Test, ParseVUI64_case) {
+	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);
+	EXPECT_TRUE(IsEqual(exp, act));
+	EXPECT_EQ(*ep, '\0');
+}
+