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image unit test - make test image 16x16 + add more checks

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This commit is contained in:
artemp 2015-09-16 11:47:36 +01:00
parent c1301fa142
commit 60c79d6614
1 changed files with 4 additions and 3 deletions
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7
test/unit/imaging/image.cpp
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@ -292,9 +292,9 @@ SECTION("Image Buffer")
SECTION("Image copy/move") SECTION("Image copy/move")
{ {
mapnik::detail::buffer buf(256 * 256 * 4); // large enough to hold 256*256 RGBA image mapnik::detail::buffer buf(16 * 16 * 4); // large enough to hold 16*16 RGBA image
CHECK(buf.size() == 256 * 256 * 4); CHECK(buf.size() == 16 * 16 * 4);
mapnik::image_rgba8 im(256, 256, buf.data()); // shallow copy mapnik::image_rgba8 im(16, 16, buf.data()); // shallow copy
// fill buffer with 0xff // fill buffer with 0xff
std::fill(buf.data(), buf.data() + buf.size(), 0xff); std::fill(buf.data(), buf.data() + buf.size(), 0xff);
std::size_t count = 0; std::size_t count = 0;
@ -306,6 +306,7 @@ SECTION("Image copy/move")
++count; ++count;
} }
CHECK( count == im.width() * im.height()); CHECK( count == im.width() * im.height());
CHECK( buf.size() == im.width() * im.height() * sizeof( mapnik::image_rgba8::pixel_type));
// mutate buffer // mutate buffer
// fill buffer with 0x7f - semi-transparent grey // fill buffer with 0x7f - semi-transparent grey