1 files changed, 57 insertions, 0 deletions
diff --git a/libs/multiprecision/test/test_cpp_int_lit.cpp b/libs/multiprecision/test/test_cpp_int_lit.cpp
new file mode 100644
index 0000000000..366309d0f3
--- /dev/null
+++ b/libs/multiprecision/test/test_cpp_int_lit.cpp
@@ -0,0 +1,57 @@
+///////////////////////////////////////////////////////////////////////////////
+//  Copyright 2013 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/multiprecision/cpp_int.hpp>
+#include "test.hpp"
+
+
+#ifdef BOOST_MP_USER_DEFINED_LITERALS
+
+
+using namespace boost::multiprecision;
+
+template <class T>
+void test_literal(T val, const char* p)
+{
+   BOOST_CHECK_EQUAL(val, cpp_int(p));
+}
+
+#define TEST_LITERAL(x)\
+{\
+   constexpr auto val1 = BOOST_JOIN(x, _cppi);\
+   constexpr int1024_t val2 = BOOST_JOIN(x, _cppi1024);\
+   constexpr auto val3 = BOOST_JOIN(x, _cppui);\
+   constexpr uint1024_t val4 = BOOST_JOIN(x, _cppui1024);\
+   test_literal(val1, BOOST_STRINGIZE(x));\
+   test_literal(val2, BOOST_STRINGIZE(x));\
+   test_literal(val3, BOOST_STRINGIZE(x));\
+   test_literal(val4, BOOST_STRINGIZE(x));\
+   /* Negative values: */\
+   constexpr auto val5 = -BOOST_JOIN(x, _cppi);\
+   constexpr int1024_t val6 = -BOOST_JOIN(x, _cppi1024);\
+   constexpr auto val7 = -val1;\
+   constexpr int1024_t val8 = -val2;\
+   BOOST_CHECK_EQUAL(val5, -cpp_int(val1));\
+   BOOST_CHECK_EQUAL(val6, -cpp_int(val1));\
+   BOOST_CHECK_EQUAL(val7, -cpp_int(val1));\
+   BOOST_CHECK_EQUAL(val8, -cpp_int(val1));\
+}\
+
+int main()
+{
+   using namespace boost::multiprecision::literals;
+   TEST_LITERAL(0x0);
+   TEST_LITERAL(0x00000);
+   TEST_LITERAL(0x10000000);
+   TEST_LITERAL(0x1234500000000123450000000123345000678000000456000000567000000fefabc00000000000000);
+   return boost::report_errors();
+}
+
+#else
+
+int main() { return 0; }
+
+
+#endif