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Test of importing non-standard ASCII STL (broken normals, junk

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after the ending tags)
This commit is contained in:
bubnikv 2019-10-18 14:42:03 +02:00
parent 7a47784ddf
commit 6e6b137151
3 changed files with 95 additions and 1 deletions
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2
tests/data/test_stl/ASCII/20mmbox-LF.stl
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@ -83,4 +83,4 @@ solid STL generated by MeshLab
vertex 0.000000e+00 2.000000e+01 2.000000e+01
endloop
endfacet
endsolid vcg
endsolid

86
tests/data/test_stl/ASCII/20mmbox-nonstandard.stl Normal file
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@ -0,0 +1,86 @@
solid STL generated by MeshLab
facet normal 0.000000e+00 -0.000000e+00 -1.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 0.000000e+00
vertex 2.000000e+01 0.000000e+00 0.000000e+00
vertex 0.000000e+00 0.000000e+00 0.000000e+00
endloop
endfacet
facet normal -0.000000e+00 0.000000e+00 -1.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 0.000000e+00
vertex 0.000000e+00 0.000000e+00 0.000000e+00
vertex 0.000000e+00 2.000000e+01 0.000000e+00
endloop
endfacet
facet normal 0.000000e+00 0.000000e+00 1.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 2.000000e+01
vertex 0.000000e+00 2.000000e+01 2.000000e+01
vertex 0.000000e+00 0.000000e+00 2.000000e+01
endloop
endfacet
facet normal 0.000000e+00 0.000000e+00 1.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 2.000000e+01
vertex 0.000000e+00 0.000000e+00 2.000000e+01
vertex 2.000000e+01 0.000000e+00 2.000000e+01
endloop
endfacet
facet normal 1.000000e+00 0.000000e+00 -0.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 0.000000e+00
vertex 2.000000e+01 2.000000e+01 2.000000e+01
vertex 2.000000e+01 0.000000e+00 2.000000e+01
endloop
endfacet
facet normal 1.000000e+00 0.000000e+00 0.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 0.000000e+00
vertex 2.000000e+01 0.000000e+00 2.000000e+01
vertex 2.000000e+01 0.000000e+00 0.000000e+00
endloop
endfacet
facet normal 0.000000e+00 -1.000000e+00 0.000000e+00
outer loop
vertex 2.000000e+01 0.000000e+00 0.000000e+00
vertex 2.000000e+01 0.000000e+00 2.000000e+01
vertex 0.000000e+00 0.000000e+00 2.000000e+01
endloop
endfacet
facet normal 0.000000e+00 -1.000000e+00 0.000000e+00
outer loop
vertex 2.000000e+01 0.000000e+00 0.000000e+00
vertex 0.000000e+00 0.000000e+00 2.000000e+01
vertex 0.000000e+00 0.000000e+00 0.000000e+00
endloop
endfacet
facet normal +inf -inf weirdvalue
outer loop
vertex 0.000000e+00 0.000000e+00 0.000000e+00
vertex 0.000000e+00 0.000000e+00 2.000000e+01
vertex 0.000000e+00 2.000000e+01 2.000000e+01
endloop
endfacet
facet normal -1.000000e+00 0.000000e+00 0.000000e+00
outer loop
vertex 0.000000e+00 0.000000e+00 0.000000e+00
vertex 0.000000e+00 2.000000e+01 2.000000e+01
vertex 0.000000e+00 2.000000e+01 0.000000e+00
endloop
endfacet blah
facet normal 0.000000e+00 1.000000e+00 0.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 2.000000e+01
vertex 2.000000e+01 2.000000e+01 0.000000e+00
vertex 0.000000e+00 2.000000e+01 0.000000e+00
endloop foo
endfacet bar
facet normal 0.000000e+00 1.000000e+00 0.000000e+00
outer loop
vertex 2.000000e+01 2.000000e+01 2.000000e+01
vertex 0.000000e+00 2.000000e+01 0.000000e+00
vertex 0.000000e+00 2.000000e+01 2.000000e+01
endloop foo
endfacet bar
endsolid some blah blah

8
tests/libslic3r/test_stl.cpp
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@ -44,6 +44,14 @@ SCENARIO("Reading an STL file", "[stl]") {
REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
}
}
#endif
WHEN("nonstandard STL file (text after ending tags, invalid normals, for example infinities)") {
Slic3r::Model model;
THEN("load should succeed") {
REQUIRE(Slic3r::load_stl(stl_path("ASCII/20mmbox-nonstandard.stl").c_str(), &model));
REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
}
}
}
}