diff options
Diffstat (limited to 'test/util_test.cc')
| -rw-r--r-- | test/util_test.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/util_test.cc b/test/util_test.cc index 49d0b3bc2..59dfb5c90 100644 --- a/test/util_test.cc +++ b/test/util_test.cc @@ -155,3 +155,23 @@ BOOST_AUTO_TEST_CASE(word_wrap_test) BOOST_CHECK(word_wrap("hello this is a longer bit of text and it should be word-wrapped", 31) == string{"hello this is a longer bit of \ntext and it should be word-\nwrapped\n"}); BOOST_CHECK_EQUAL(word_wrap("hellocan'twrapthissadly", 5), "hello\ncan't\nwrapt\nhissa\ndly\n"); } + + +BOOST_AUTO_TEST_CASE(scale_for_display_test) +{ + /* 1998x1076 image in a flat frame, displayed in 1104x596. + * In the DCP there will be 2px black top and bottom. + * So the display width should definitely be 1104, and it then follows that + * the display height should be scaled by the same factor as the width has been. + */ + BOOST_CHECK(scale_for_display(dcp::Size(1998, 1076), dcp::Size(1104, 596), dcp::Size(1998, 1080), PixelQuanta(2, 2)) == dcp::Size(1104, 594)); + + /* 1800x1080 image in a flat frame, displayed in 1104x596. + * In the DCP there should be 99px black left and right. + * So the display height should definitely be 596. + */ + BOOST_CHECK(scale_for_display(dcp::Size(1800, 1080), dcp::Size(1104, 596), dcp::Size(1998, 1080), PixelQuanta(2, 2)) == dcp::Size(994, 596)); + + /* This happens sometimes as windows are getting resized */ + BOOST_CHECK(scale_for_display(dcp::Size(1998, 1076), dcp::Size(64, 64), dcp::Size(1998, 1080), PixelQuanta(2, 2)) == dcp::Size(64, 34)); +} |