From 4f19a35b7dde335d0cba2c36d8a19f47e4bab516 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Fri, 6 Feb 2015 16:35:40 +1100
Subject: [PATCH] fixed: add trivial tests

---
 test/Makefile.am |  1 +
 test/fixed.cpp   | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 test/fixed.cpp

diff --git a/test/Makefile.am b/test/Makefile.am
index b1dfc1b1..d7c3bf6d 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -7,6 +7,7 @@ TEST_BIN = 		\
 	bitwise		\
 	checksum	\
 	colour		\
+	fixed		\
 	float		\
 	hton		\
 	ip 		\
diff --git a/test/fixed.cpp b/test/fixed.cpp
new file mode 100644
index 00000000..a21ea649
--- /dev/null
+++ b/test/fixed.cpp
@@ -0,0 +1,37 @@
+#include "fixed.hpp"
+
+#include "debug.hpp"
+
+template <unsigned I, unsigned E>
+void
+test_simple (void)
+{
+    using fixed_t = util::fixed<I,E>;
+    using uint_t  = typename fixed_t::uint_t;
+
+    const fixed_t lo = uint_t{0};
+    const fixed_t hi = uint_t{1};
+
+    CHECK_EQ (lo, lo);
+    CHECK_EQ (hi, hi);
+
+    CHECK_NEQ (hi, lo);
+    CHECK_NEQ (lo, hi);
+
+    CHECK_LT (lo, hi);
+    CHECK_LE (lo, hi);
+    CHECK_LE (lo, lo);
+
+    CHECK_GT (hi, lo);
+    CHECK_GE (lo, lo);
+    CHECK_GE (hi, lo);
+}
+
+
+int
+main (void)
+{
+    test_simple<16,16> ();
+    test_simple<26, 6> ();
+    test_simple<32,32> ();
+}