[ox/std] Add min and max tests

deps/ox/src/ox/std/CMakeLists.txt

@@ -26,6 +26,7 @@ add_library(
 		byteswap.cpp
 		fmt.cpp
 		heapmgr.cpp
+		math.cpp
 		memops.cpp
 		random.cpp
 		substitutes.cpp

deps/ox/src/ox/std/math.cpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2015 - 2022 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "math.hpp"
+
+namespace ox {
+
+static_assert(min(2, 1) == 1);
+static_assert(min(1, 2) == 1);
+
+static_assert(max(2, 1) == 2);
+static_assert(max(1, 2) == 2);
+
+static_assert(clamp(2, 1, 3) == 2);
+static_assert(clamp(1, 2, 3) == 2);
+static_assert(clamp(3, 1, 2) == 2);
+
+}