One Month In Minsk. Made in Belarus.

1 files changed, 59 insertions, 0 deletions

diff --git a/geometry/geometry_tests/point_test.cpp b/geometry/geometry_tests/point_test.cpp
new file mode 100644
index 0000000000..609ce8c84d
--- /dev/null
+++ b/geometry/geometry_tests/point_test.cpp
@@ -0,0 +1,59 @@
+#include "../../base/SRC_FIRST.hpp"
+#include "../../testing/testing.hpp"
+#include "equality.hpp"
+#include "../point2d.hpp"
+
+UNIT_TEST(Point_Rotate)
+{
+  m2::PointD p(1.0, 0.0);
+  p.Rotate(math::pi / 6.0);
+  TEST(test::is_equal(p.x, sqrt(3.0) / 2.0), ());
+  TEST(test::is_equal(p.y, 1.0 / 2.0), ());
+}
+
+UNIT_TEST(PointInTriangle)
+{
+  m2::PointD const a(1, 0);
+  m2::PointD const b(2, 0);
+  m2::PointD const c(-1, 3);
+
+  TEST(!m2::IsPointStrictlyInsideTriangle(a, a, a, a), ());
+
+  TEST(!m2::IsPointStrictlyInsideTriangle(a, a, a, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(b, a, a, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(a, a, b, a), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(b, a, b, a), ());
+
+  TEST(!m2::IsPointStrictlyInsideTriangle(a, a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(a, a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(b, a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(b, a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(c, a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(c, a, c, b), ());
+
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1.5), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1.5), a, c, b), ());
+  TEST(m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1.77), a, b, c), ());
+  TEST(m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 1.77), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 2), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 2), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(1, 1), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(1, 1), a, c, b), ());
+  TEST(m2::IsPointStrictlyInsideTriangle(m2::PointD(1, 0.5), a, b, c), ());
+  TEST(m2::IsPointStrictlyInsideTriangle(m2::PointD(1, 0.5), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(100, 100), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(100, 100), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(5, 0), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(5, 0), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(-1, -1), a, c, b), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 0.5), a, b, c), ());
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 0.5), a, c, b), ());
+}
+
+UNIT_TEST(PointInTriangle_EmptyTriangle)
+{
+  m2::PointD pt(27, 31);
+  TEST(!m2::IsPointStrictlyInsideTriangle(m2::PointD(0, 16), pt, pt, pt), ());
+}