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image - update unit test re: cb31692f37

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This commit is contained in:
artemp 2015-11-02 10:27:11 +00:00
parent cb31692f37
commit 96c2fc9076
1 changed files with 8 additions and 16 deletions
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24
test/unit/imaging/image.cpp
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@ -341,8 +341,7 @@ SECTION("Image copy/move")
CHECK( pixel == mapnik::color(0,255,0).rgba());
}
// deep copy
mapnik::image_rgba8 im3(im2); // allocates new internal buffer
mapnik::image_rgba8 im3(im2); // shallow copy
for (auto & pixel : im3)
{
// expect `green`
@ -351,22 +350,15 @@ SECTION("Image copy/move")
pixel = mapnik::color(255,0,0).rgba(); //red
}
// im2 (green)
for (auto const& pixel : im3)
{
// expect `red`
CHECK( pixel == mapnik::color(255,0,0).rgba());
}
for (auto const& pixel : im2)
{
// expect `green`
CHECK( pixel == mapnik::color(0,255,0).rgba());
}
//buf2 still holds green pixels
CHECK(buf2.size() == 16 * 16 * 4);
unsigned char* itr = buf2.data();
unsigned char* end = itr + buf2.size();
count = 0;
for ( ;itr!= end; ++itr)
{
CHECK( *itr == ((count++ % 2 == 0) ? 0 : 0xff)); // green
// expect `red`
CHECK( pixel == mapnik::color(255,0,0).rgba());
}
}