From 8a4b9ed0bf643726ce625678a17b1fc40d90870c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johel=20Ernesto=20Guerrero=20Pe=C3=B1a?=
 <johelegp@gmail.com>
Date: Wed, 23 Jun 2021 18:28:45 -0400
Subject: feat: narrow for non totally ordered types (#986)

---
 tests/utils_tests.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tests')

diff --git a/tests/utils_tests.cpp b/tests/utils_tests.cpp
index 0585c79..39b4ca2 100644
--- a/tests/utils_tests.cpp
+++ b/tests/utils_tests.cpp
@@ -17,6 +17,7 @@
 #include <gtest/gtest.h>
 
 #include <algorithm>   // for move
+#include <complex>
 #include <cstddef>     // for std::ptrdiff_t
 #include <functional>  // for reference_wrapper, _Bind_helper<>::type
 #include <gsl/narrow>  // for narrow, narrowing_error
@@ -144,5 +145,9 @@ TEST(utils_tests, narrow)
 
     n = -42;
     EXPECT_THROW(narrow<unsigned>(n), narrowing_error);
+
+    EXPECT_TRUE(
+        narrow<std::complex<float>>(std::complex<double>(4, 2)) == std::complex<float>(4, 2));
+    EXPECT_THROW(narrow<std::complex<float>>(std::complex<double>(4.2)), narrowing_error);
 }
 #endif // GSL_KERNEL_MODE
-- 
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