add basic compile time tests

include/cuinterval/interval.h

@@ -18,7 +18,6 @@ constexpr bool operator==(interval<T> lhs, interval<T> rhs)
 {
     auto empty = [](interval<T> x) { return !(x.lb <= x.ub); };
 
-
     return (empty(lhs) && empty(rhs)) || (lhs.lb == rhs.lb && lhs.ub == rhs.ub);
 }
 

tests/tests.cpp

@@ -1,6 +1,7 @@
 #include "generated/tests_generated.h"
 #include "tests_additional.h"
 #include "tests_common.h"
+#include "tests_compile_time.h"
 
 #include <cuda_runtime.h>
 #include <omp.h>

tests/tests_compile_time.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <cuinterval/interval.h>
+
+// #include <boost/ut.hpp>
+
+#include <concepts>
+
+// using namespace boost::ut;
+
+static_assert(std::regular<cu::interval<int>>);
+static_assert(std::regular<cu::interval<float>>);
+static_assert(std::regular<cu::interval<double>>);
+
+// void tests_compile_time()
+// {
+//     "regular"_test = [] consteval {
+//         static_assert(std::regular<cu::interval<int>>);
+//         static_assert(std::regular<cu::interval<float>>);
+//         static_assert(std::regular<cu::interval<double>>);
+//     };
+// }