Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/boost/libs/gil/test/unit_test_utility.hpp b/src/boost/libs/gil/test/unit_test_utility.hpp
new file mode 100644
index 00000000..b7ff3baa
--- /dev/null
+++ b/src/boost/libs/gil/test/unit_test_utility.hpp
@@ -0,0 +1,67 @@
+//
+// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
+//
+// Distribtted 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
+//
+#ifndef BOOST_GIL_TEST_UNIT_TEST_UTILITY_HPP
+#define BOOST_GIL_TEST_UNIT_TEST_UTILITY_HPP
+
+#include <boost/gil/color_base_algorithm.hpp> // static_for_each
+#include <boost/gil/pixel.hpp>
+#include <boost/gil/promote_integral.hpp>
+
+#include <boost/core/typeinfo.hpp>
+
+#include <cstdint>
+#include <ostream>
+
+namespace boost { namespace gil {
+
+namespace detail {
+
+struct print_color_base
+{
+    std::ostream& os_;
+    std::size_t element_index_{0};
+    print_color_base(std::ostream& os) : os_(os) {}
+
+    template <typename Element>
+    void operator()(Element& c)
+    {
+        typename ::boost::gil::promote_integral<Element>::type const v(c);
+        if (element_index_ > 0) os_ << ", ";
+        os_ << "v" << element_index_ << "=" << v;
+        ++element_index_;
+    }
+};
+
+} // namespace detail
+
+// Make `point` printable for BOOST_TEST()
+template <typename T>
+std::ostream& operator<<(std::ostream& os, point<T> const& p)
+{
+    os << "point<" << boost::core::demangled_name(typeid(T)) << ">";
+    os << "(" << p.x << ", " << p.y << ")" << std::endl;
+    return os;
+}
+
+// Make `pixel` printable for BOOST_TEST()
+template <typename ChannelValue, typename Layout>
+std::ostream& operator<<(std::ostream& os, pixel<ChannelValue, Layout> const& p)
+{
+    os << "pixel<"
+       << "Channel=" << boost::core::demangled_name(typeid(ChannelValue))
+       << ", Layout=" << boost::core::demangled_name(typeid(Layout))
+       << ">(";
+
+    static_for_each(p, detail::print_color_base{os});
+    os << ")" << std::endl;
+    return os;
+}
+
+}} // namespace boost::gil
+
+#endif