1 files changed, 76 insertions, 0 deletions
diff --git a/src/boost/libs/units/test/test_scaled_unit.cpp b/src/boost/libs/units/test/test_scaled_unit.cpp
new file mode 100644
index 00000000..2357a98d
--- /dev/null
+++ b/src/boost/libs/units/test/test_scaled_unit.cpp
@@ -0,0 +1,76 @@
+// Boost.Units - A C++ library for zero-overhead dimensional analysis and 
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2003-2008 Matthias Christian Schabel
+// Copyright (C) 2007-2008 Steven Watanabe
+//
+// 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)
+
+/** 
+\file
+    
+\brief test_scaled_conversion.cpp
+
+\details
+Test unit scaling
+
+Output:
+@verbatim
+@endverbatim
+**/
+
+#define BOOST_TEST_MAIN
+
+#include <boost/units/systems/si/prefixes.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/quantity.hpp>
+#include <boost/units/io.hpp>
+
+#include <sstream>
+
+#include <boost/test/unit_test.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+namespace bu = boost::units;
+namespace si = boost::units::si;
+
+BOOST_AUTO_TEST_CASE(test_scaled_to_plain) {
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<si::time> s1 = 12.5 * si::seconds;
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<si::time> s2(si::nano * s1);
+    BOOST_CHECK_CLOSE_FRACTION(1e-9 * s1.value(), s2.value(), 0.000000001);
+}
+
+BOOST_AUTO_TEST_CASE(test_plain_to_scaled) {
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<si::time> s1 = 12.5 * si::seconds;
+    typedef bu::multiply_typeof_helper<si::nano_type, si::time>::type time_unit;
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<time_unit> s2(s1);
+    BOOST_CHECK_CLOSE_FRACTION(1e9 * s1.value(), s2.value(), 0.000000001);
+}
+
+BOOST_AUTO_TEST_CASE(test_scaled_to_scaled) {
+    typedef bu::multiply_typeof_helper<si::mega_type, si::time>::type mega_time_unit;
+    typedef bu::multiply_typeof_helper<si::micro_type, si::time>::type micro_time_unit;
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<mega_time_unit> s1(12.5 * si::seconds);
+    BOOST_CONSTEXPR_OR_CONST bu::quantity<micro_time_unit> s2(s1);
+    BOOST_CHECK_CLOSE_FRACTION(1e12 * s1.value(), s2.value(), 0.000000001);
+}
+
+BOOST_AUTO_TEST_CASE(test_conversion_factor) {
+    BOOST_CHECK_CLOSE_FRACTION(conversion_factor(si::nano*si::seconds, si::seconds), 1e-9, 0.000000001);
+    BOOST_CHECK_CLOSE_FRACTION(conversion_factor(si::seconds, si::nano*si::seconds), 1e9, 0.000000001);
+    BOOST_CHECK_CLOSE_FRACTION(conversion_factor(si::mega*si::seconds, si::micro*si::seconds), 1e12, 0.000000001);
+}
+
+BOOST_AUTO_TEST_CASE(test_output) {
+    std::stringstream stream;
+    stream << si::nano * 12.5 * si::seconds;
+    BOOST_CHECK_EQUAL(stream.str(), "12.5 ns");
+}
+
+BOOST_AUTO_TEST_CASE(test_output_name) {
+    std::stringstream stream;
+    stream << bu::name_format << si::nano * 12.5 * si::seconds;
+    BOOST_CHECK_EQUAL(stream.str(), "12.5 nanosecond");
+}