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add more color unit tests

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This commit is contained in:
artemp 2015-12-11 11:27:27 +00:00
parent b3d7552774
commit 428641452c
1 changed files with 64 additions and 15 deletions
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79
test/unit/color/css_color.cpp
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@ -9,22 +9,20 @@ TEST_CASE("SVG2 color") {
SECTION("conversions")
{
using namespace mapnik::svg2_color_grammar;
CHECK( percent_converter::call(1.0) == 3 );
CHECK( percent_converter::call(60.0) == 153 );
// should not overflow on invalid input
CHECK( mapnik::svg2_color_grammar::percent_converter::call(100000.0) == 255 );
CHECK( mapnik::svg2_color_grammar::percent_converter::call(-100000.0) == 0 );
#if 0
mapnik::percent_conv_impl conv;
CHECK( conv(1.0) == 3 );
CHECK( conv(60.0) == 153 );
CHECK( opacity(0.5) == 128 );
CHECK( opacity(1.0) == 255 );
// should not overflow on invalid input
CHECK( conv(100000.0) == 255 );
CHECK( conv(-100000.0) == 0 );
mapnik::alpha_conv_impl conv2;
CHECK( conv2(0.5) == 128 );
CHECK( conv2(1.0) == 255 );
// should not overflow on invalid input
CHECK( conv2(60.0) == 255 );
CHECK( conv2(100000.0) == 255 );
CHECK( conv2(-100000.0) == 0 );
CHECK( opacity(60.0) == 255 );
CHECK( opacity(100000.0) == 255 );
CHECK( opacity(-100000.0) == 0 );
mapnik::hsl_conv_impl conv3;
mapnik::color c;
conv3(c, 1.0, 1.0, 1.0);
@ -41,11 +39,62 @@ TEST_CASE("SVG2 color") {
#endif
}
SECTION("hex colors")
SECTION("SVG2 colors")
{
auto const& color_grammar = mapnik::svg2_color_grammar::expression;
boost::spirit::x3::ascii::space_type space;
{
// rgb
std::string s("rgb(128,0,255)");
mapnik::color c;
CHECK( boost::spirit::x3::phrase_parse(s.cbegin(), s.cend(), color_grammar, space, c) );
CHECK( c.alpha() == 0xff );
CHECK( c.red() == 0x80 );
CHECK( c.green() == 0x00 );
CHECK( c.blue() == 0xff );
}
{
// rgb (percent)
std::string s("rgb(50%,0%,100%)");
mapnik::color c;
CHECK( boost::spirit::x3::phrase_parse(s.cbegin(), s.cend(), color_grammar, space, c) );
CHECK( c.alpha() == 0xff );
CHECK( c.red() == 0x80 );
CHECK( c.green() == 0x00 );
CHECK( c.blue() == 0xff );
}
{
// rgba
std::string s("rgba(128,0,255,0.5)");
mapnik::color c;
CHECK( boost::spirit::x3::phrase_parse(s.cbegin(), s.cend(), color_grammar, space, c) );
CHECK( c.alpha() == 0x80 );
CHECK( c.red() == 0x80 );
CHECK( c.green() == 0x00 );
CHECK( c.blue() == 0xff );
}
{
// rgba (percent)
std::string s("rgba(50%,0%,100%,0.5)");
mapnik::color c;
CHECK( boost::spirit::x3::phrase_parse(s.cbegin(), s.cend(), color_grammar, space, c) );
CHECK( c.alpha() == 0x80 );
CHECK( c.red() == 0x80 );
CHECK( c.green() == 0x00 );
CHECK( c.blue() == 0xff );
}
{
// named colours
std::string s("darksalmon");
mapnik::color c;
CHECK( boost::spirit::x3::phrase_parse(s.cbegin(), s.cend(), color_grammar, space, c) );
CHECK( c.alpha() == 255 );
CHECK( c.red() == 233 );
CHECK( c.green() == 150 );
CHECK( c.blue() == 122 );
}
// hex colours
{
std::string s("#abcdef");
mapnik::color c;