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box2d - add missing tests

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This commit is contained in:
artemp 2016-01-19 12:15:50 +00:00
parent 19c8b3e581
commit 5471f519cd
1 changed files with 59 additions and 0 deletions
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59
test/unit/core/box2d_test.cpp
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@ -2,6 +2,7 @@
#include <mapnik/coord.hpp> #include <mapnik/coord.hpp>
#include <mapnik/box2d.hpp> #include <mapnik/box2d.hpp>
#include "agg_trans_affine.h"
TEST_CASE("box2d") { TEST_CASE("box2d") {
SECTION("coord init") { SECTION("coord init") {
@ -159,4 +160,62 @@ SECTION("envelope clipping") {
REQUIRE(e1 == e2); REQUIRE(e1 == e2);
} }
SECTION("mapnik::box2d intersects")
{
mapnik::box2d<double> b0(0,0,100,100);
// another box2d
mapnik::box2d<double> b1(100,100,200,200);
CHECK(b0.intersects(b1));
CHECK(b1.intersects(b0));
mapnik::box2d<double> b2(100.001,100,200,200);
CHECK(!b0.intersects(b2));
CHECK(!b2.intersects(b0));
// coord
CHECK(b0.intersects(mapnik::coord<double,2>(100,100)));
CHECK(!b0.intersects(mapnik::coord<double,2>(100.001,100)));
}
SECTION("mapnik::box2d intersect")
{
mapnik::box2d<double> b0(0,0,100,100);
mapnik::box2d<double> b1(100,100,200,200);
CHECK(b0.intersect(b1) == mapnik::box2d<double>(100,100,100,100));
CHECK(b1.intersect(b0) == mapnik::box2d<double>(100,100,100,100));
mapnik::box2d<double> b2(100.001,100,200,200);
CHECK(b0.intersect(b2) == mapnik::box2d<double>());
CHECK(b2.intersect(b0) == mapnik::box2d<double>());
}
SECTION("mapnik::box2d re_center")
{
mapnik::box2d<double> b(0, 0, 100, 100);
b.re_center(0, 0);
CHECK(b == mapnik::box2d<double>(-50, -50, 50, 50));
b.re_center(mapnik::coord2d(50,50));
CHECK(b == mapnik::box2d<double>(0, 0, 100, 100));
}
SECTION("mapnik::box2d operator+=")
{
mapnik::box2d<double> b(0, 0, 50, 50);
b += mapnik::box2d<double>(100, 100, 200, 200);
CHECK(b == mapnik::box2d<double>(0, 0, 200, 200));
b += 100;
CHECK(b == mapnik::box2d<double>(-100, -100, 300, 300));
}
SECTION("mapnik::box2d operator*= operator=/ ")
{
mapnik::box2d<double> b(0, 0, 100, 100);
b *= 2.0;
CHECK(b == mapnik::box2d<double>(-50, -50, 150, 150));
b /= 2.0;
CHECK(b == mapnik::box2d<double>(0, 0, 100, 100));
agg::trans_affine tr;
tr.translate(-50,-50);
tr.scale(2.0);
b *= tr;
CHECK(b == mapnik::box2d<double>(-100, -100, 100, 100));
}
} // TEST_CASE } // TEST_CASE