update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / boost / libs / gil / test / core / image_view / axis_iterator.cpp

diff --git a/ceph/src/boost/libs/gil/test/core/image_view/axis_iterator.cpp b/ceph/src/boost/libs/gil/test/core/image_view/axis_iterator.cpp
new file mode 100644 (file)
index 0000000..6b7c688
--- /dev/null
+++ b/ceph/src/boost/libs/gil/test/core/image_view/axis_iterator.cpp
@@ -0,0 +1,91 @@
+//
+// Copyright 2020 Mateusz Loskot <mateusz at loskot dot net>
+//
+// 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/gil/image.hpp>
+#include <boost/gil/image_view.hpp>
+#include <boost/gil/typedefs.hpp>
+
+#include <boost/core/lightweight_test.hpp>
+
+#include "test_fixture.hpp"
+#include "test_utility_output_stream.hpp"
+
+namespace gil = boost::gil;
+namespace fixture = boost::gil::test::fixture;
+
+void test_axis_0()
+{
+    {
+        gil::gray8_image_t image = fixture::make_image_gray8();
+        auto view = gil::view(image);
+        // 0,0
+        auto axit = view.axis_iterator<0>(gil::point_t{0, 0});
+        BOOST_TEST_EQ(*axit, fixture::gray8_draw_pixel);
+        BOOST_TEST(axit == view.row_begin(0));
+        // 0,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::gray8_back_pixel);
+        // 1,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::gray8_back_pixel);
+        BOOST_TEST(axit == view.row_end(0));
+        BOOST_TEST(axit == view.row_begin(1));
+        // 1,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::gray8_draw_pixel);
+        // 2,0 - pass the end
+        ++axit;
+        BOOST_TEST(axit == view.row_end(1));
+    }
+    {
+        gil::rgb8_image_t image = fixture::make_image_rgb8();
+        auto view = gil::view(image);
+        auto axit = view.axis_iterator<0>(gil::point_t{0, 0});
+        BOOST_TEST(axit == view.row_begin(0));
+        BOOST_TEST_EQ(*axit, fixture::rgb8_draw_pixel);
+        // 0,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::rgb8_back_pixel);
+        // 1,1
+        ++axit;
+        BOOST_TEST(axit == view.row_end(0));
+        BOOST_TEST_EQ(*axit, fixture::rgb8_back_pixel);
+        BOOST_TEST(axit == view.row_begin(1));
+        // 1,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::rgb8_draw_pixel);
+        // 2,0 - pass the end
+        ++axit;
+        BOOST_TEST(axit == view.row_end(1));
+    }
+}
+
+void test_axis_1()
+{
+    {
+        gil::gray8_image_t image = fixture::make_image_gray8();
+        auto view = gil::view(image);
+        // 0,0
+        auto axit = view.axis_iterator<1>(gil::point_t{0, 0});
+        BOOST_TEST(axit == view.col_begin(0));
+        BOOST_TEST_EQ(*axit, fixture::gray8_draw_pixel);
+        // 0,1
+        ++axit;
+        BOOST_TEST_EQ(*axit, fixture::gray8_back_pixel);
+        // 0,2
+        ++axit;
+        BOOST_TEST(axit == view.col_end(0));
+    }
+}
+
+int main()
+{
+    test_axis_0();
+    test_axis_1();
+
+    return boost::report_errors();
+}