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Unit tests to the new optimized implementation of

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Line::parallel_to() a Line::perpendicular_to().
This commit is contained in:
Vojtech Bubnik 2021-10-25 12:03:35 +02:00
parent dcbb3bef45
commit 743b99d22c
1 changed files with 60 additions and 0 deletions
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60
tests/libslic3r/test_geometry.cpp
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@ -19,6 +19,66 @@
using namespace Slic3r;
TEST_CASE("Line::parallel_to", "[Geometry]"){
Line l{ { 100000, 0 }, { 0, 0 } };
Line l2{ { 200000, 0 }, { 0, 0 } };
REQUIRE(l.parallel_to(l));
REQUIRE(l.parallel_to(l2));
Line l3(l2);
l3.rotate(0.9 * EPSILON, { 0, 0 });
REQUIRE(l.parallel_to(l3));
Line l4(l2);
l4.rotate(1.1 * EPSILON, { 0, 0 });
REQUIRE(! l.parallel_to(l4));
// The angle epsilon is so low that vectors shorter than 100um rotated by epsilon radians are not rotated at all.
Line l5{ { 20000, 0 }, { 0, 0 } };
l5.rotate(1.1 * EPSILON, { 0, 0 });
REQUIRE(l.parallel_to(l5));
l.rotate(1., { 0, 0 });
Point offset{ 342876, 97636249 };
l.translate(offset);
l3.rotate(1., { 0, 0 });
l3.translate(offset);
l4.rotate(1., { 0, 0 });
l4.translate(offset);
REQUIRE(l.parallel_to(l3));
REQUIRE(!l.parallel_to(l4));
}
TEST_CASE("Line::perpendicular_to", "[Geometry]") {
Line l{ { 100000, 0 }, { 0, 0 } };
Line l2{ { 0, 200000 }, { 0, 0 } };
REQUIRE(! l.perpendicular_to(l));
REQUIRE(l.perpendicular_to(l2));
Line l3(l2);
l3.rotate(0.9 * EPSILON, { 0, 0 });
REQUIRE(l.perpendicular_to(l3));
Line l4(l2);
l4.rotate(1.1 * EPSILON, { 0, 0 });
REQUIRE(! l.perpendicular_to(l4));
// The angle epsilon is so low that vectors shorter than 100um rotated by epsilon radians are not rotated at all.
Line l5{ { 0, 20000 }, { 0, 0 } };
l5.rotate(1.1 * EPSILON, { 0, 0 });
REQUIRE(l.perpendicular_to(l5));
l.rotate(1., { 0, 0 });
Point offset{ 342876, 97636249 };
l.translate(offset);
l3.rotate(1., { 0, 0 });
l3.translate(offset);
l4.rotate(1., { 0, 0 });
l4.translate(offset);
REQUIRE(l.perpendicular_to(l3));
REQUIRE(! l.perpendicular_to(l4));
}
TEST_CASE("Polygon::contains works properly", "[Geometry]"){
// this test was failing on Windows (GH #1950)
Slic3r::Polygon polygon(std::vector<Point>({