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Added volume tests (using a large divisor for accuracy).

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This commit is contained in:
Joseph Lenox 2018-07-11 19:02:28 -05:00 committed by Joseph Lenox
parent 5053a52562
commit 8e3440f832
1 changed files with 10 additions and 4 deletions
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14
src/test/libslic3r/test_trianglemesh.cpp
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@ -189,8 +189,8 @@ SCENARIO( "make_xxx functions produce meshes.") {
} }
GIVEN("make_cylinder() function") { GIVEN("make_cylinder() function") {
WHEN("make_cylinder() is called with arguments 10,10, PI / 3") { WHEN("make_cylinder() is called with arguments 10,10, PI / 3") {
auto cyl {TriangleMesh::make_cylinder(10, 10, PI / 3.0)}; auto cyl {TriangleMesh::make_cylinder(10, 10, PI / 243.0)};
double angle = (2*PI / floor(2*PI / (PI / 3.0))); double angle = (2*PI / floor(2*PI / (PI / 243.0)));
THEN("The resulting mesh has one and only one vertex at 0,0,0") { THEN("The resulting mesh has one and only one vertex at 0,0,0") {
auto verts {cyl.vertices()}; auto verts {cyl.vertices()};
REQUIRE(std::count_if(verts.begin(), verts.end(), [](Pointf3& t) { return t.x == 0 && t.y == 0 && t.z == 0; } ) == 1); REQUIRE(std::count_if(verts.begin(), verts.end(), [](Pointf3& t) { return t.x == 0 && t.y == 0 && t.z == 0; } ) == 1);
@ -208,13 +208,16 @@ SCENARIO( "make_xxx functions produce meshes.") {
THEN("The resulting mesh is in the repaired state.") { THEN("The resulting mesh is in the repaired state.") {
REQUIRE(cyl.repaired == true); REQUIRE(cyl.repaired == true);
} }
THEN( "The mesh volume is approximately 10pi * 10^2") {
REQUIRE(abs(cyl.volume() - (10.0 * M_PI * std::pow(10,2))) < 1);
}
} }
} }
GIVEN("make_sphere() function") { GIVEN("make_sphere() function") {
WHEN("make_sphere() is called with arguments 10, PI / 3") { WHEN("make_sphere() is called with arguments 10, PI / 3") {
auto sph {TriangleMesh::make_sphere(10, PI / 3.0)}; auto sph {TriangleMesh::make_sphere(10, PI / 243.0)};
double angle = (2.0*PI / floor(2.0*PI / (PI / 3.0))); double angle = (2.0*PI / floor(2.0*PI / (PI / 243.0)));
THEN("Resulting mesh has one point at 0,0,-10 and one at 0,0,10") { THEN("Resulting mesh has one point at 0,0,-10 and one at 0,0,10") {
auto verts {sph.vertices()}; auto verts {sph.vertices()};
REQUIRE(std::count_if(verts.begin(), verts.end(), [](Pointf3& t) { return t.x == 0 && t.y == 0 && t.z == 10; } ) == 1); REQUIRE(std::count_if(verts.begin(), verts.end(), [](Pointf3& t) { return t.x == 0 && t.y == 0 && t.z == 10; } ) == 1);
@ -223,6 +226,9 @@ SCENARIO( "make_xxx functions produce meshes.") {
THEN("The resulting mesh is in the repaired state.") { THEN("The resulting mesh is in the repaired state.") {
REQUIRE(sph.repaired == true); REQUIRE(sph.repaired == true);
} }
THEN( "The mesh volume is approximately 4/3 * pi * 10^3") {
REQUIRE(abs(sph.volume() - (4.0/3.0 * M_PI * std::pow(10,3))) < 1); // 1% tolerance?
}
} }
} }
} }