From 7ce8d695b180fc76bceb9a04b9e3b4c08d8b2e79 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Tue, 17 Sep 2024 12:48:13 -0600
Subject: [PATCH] test: `std::complex`-based quantities tests added

---
 test/static/quantity_test.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/static/quantity_test.cpp b/test/static/quantity_test.cpp
index 6df1602a..23853b92 100644
--- a/test/static/quantity_test.cpp
+++ b/test/static/quantity_test.cpp
@@ -37,9 +37,15 @@ import std;
 #include <utility>
 #if MP_UNITS_HOSTED
 #include <chrono>
+#include <complex>
 #endif
 #endif
 
+#if MP_UNITS_HOSTED
+template<typename T>
+constexpr bool mp_units::is_scalar<std::complex<T>> = true;
+#endif
+
 template<>
 constexpr bool mp_units::is_vector<int> = true;
 
@@ -267,6 +273,12 @@ static_assert(quantity<isq::length[m], int>(2000 * m).force_in(km).numerical_val
 static_assert((15. * m).in(nm).numerical_value_in(m) == 15.);
 static_assert((15'000. * nm).in(m).numerical_value_in(nm) == 15'000.);
 
+#if MP_UNITS_HOSTED
+using namespace std::complex_literals;
+static_assert(((2. + 1i) * V).in(mV).numerical_value_in(mV) == 2000. + 1000i);
+static_assert(((2. + 1i) * V).in(mV).numerical_value_in(V) == 2. + 1i);
+#endif
+
 template<template<auto, typename> typename Q>
 concept invalid_unit_conversion = requires {
   requires !requires { Q<isq::length[m], int>(2000 * m).in(km); };     // truncating conversion