1 files changed, 29 insertions, 0 deletions
diff --git a/src/boost/libs/rational/test/constexpr_test.cpp b/src/boost/libs/rational/test/constexpr_test.cpp
new file mode 100644
index 00000000..22be172d
--- /dev/null
+++ b/src/boost/libs/rational/test/constexpr_test.cpp
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////
+//  Copyright 2015 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/rational.hpp>
+
+
+int main()
+{
+#ifndef BOOST_NO_CXX11_CONSTEXPR
+   constexpr boost::rational<int> i1;
+   constexpr boost::rational<int> i2(3);
+   constexpr boost::rational<long long> i3(i2);
+   constexpr boost::rational<short> i4(i2);
+   constexpr boost::rational<long long> i5(23u); // converting constructor
+   // constexpr boost::rational<short> i6(23u); // Not supported, needs an explicit typecast in constructor.
+
+   static_assert(i1.numerator() == 0, "constexpr test");
+   static_assert(i1.denominator() == 1, "constexpr test");
+   static_assert(i2.numerator() == 3, "constexpr test");
+   static_assert(i2.denominator() == 1, "constexpr test");
+   static_assert(i3.numerator() == 3, "constexpr test");
+   static_assert(i3.denominator() == 1, "constexpr test");
+   static_assert(!i1, "constexpr test");
+   static_assert(i2, "constexpr test");
+#endif
+   return 0;
+}