1 files changed, 31 insertions, 0 deletions
diff --git a/tests/libntp/lfptest.h b/tests/libntp/lfptest.h
new file mode 100644
index 0000000..034eb41
--- /dev/null
+++ b/tests/libntp/lfptest.h
@@ -0,0 +1,31 @@
+#ifndef NTP_TESTS_LFPTEST_H
+#define NTP_TESTS_LFPTEST_H
+
+#include "libntptest.h"
+
+extern "C" {
+#include "ntp_fp.h"
+};
+
+class lfptest : public libntptest {
+protected:
+	::testing::AssertionResult IsEqual(const l_fp &expected, const l_fp &actual) {
+		if (L_ISEQU(&expected, &actual)) {
+			return ::testing::AssertionSuccess();
+		} else {
+			return ::testing::AssertionFailure()
+				<< " expected: " << lfptoa(&expected, FRACTION_PREC)
+				<< " (" << expected.l_ui << "." << expected.l_uf << ")"
+				<< " but was: " << lfptoa(&actual, FRACTION_PREC)
+				<< " (" << actual.l_ui << "." << actual.l_uf << ")";
+		}
+	}
+
+	static const int32 HALF = -2147483647L - 1L;
+	static const int32 HALF_PROMILLE_UP = 2147484; // slightly more than 0.0005
+	static const int32 HALF_PROMILLE_DOWN = 2147483; // slightly less than 0.0005
+	static const int32 QUARTER = 1073741824L;
+	static const int32 QUARTER_PROMILLE_APPRX = 1073742L;
+};
+
+#endif /* NTP_TESTS_LFPTEST_H */