mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-05 18:16:23 +03:00
22e7073865
Add check for empty triangulation when writing STL file to report error instead of creation of empty file. STL reader has been improved to properly handle case of empty or small files, and Ascii files without EOL at the end.
92 lines
3.8 KiB
Plaintext
92 lines
3.8 KiB
Plaintext
puts "\n#======================================================================"
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puts "# Check reading empty or small STL files"
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puts "#======================================================================\n"
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set minimal_ascii_stl {solid
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facet normal 0 0 1
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outer loop
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vertex 0 0 0
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vertex 1 0 0
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vertex 0 1 0
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endloop
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endfacet
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endsolid}
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puts "\n#======================================================================"
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puts "# Ascii file with single facet, CRLF"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_one_ascii_dos.stl w]
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fconfigure $fd -translation crlf
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puts $fd $minimal_ascii_stl
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close $fd
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readstl res_one_ascii_dos ${imagedir}/${casename}_one_ascii_dos.stl
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checknbshapes res_one_ascii_dos -face 1
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puts "\n#======================================================================"
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puts "# Ascii file with single facet, LF"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_one_ascii_unix.stl w]
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fconfigure $fd -translation lf
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puts $fd $minimal_ascii_stl
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close $fd
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readstl res_one_ascii_unix ${imagedir}/${casename}_one_ascii_unix.stl
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checknbshapes res_one_ascii_unix -face 1
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puts "\n#======================================================================"
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puts "# Ascii file with single facet, LF, no EOL at the last line"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_one_ascii_noeol.stl w]
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fconfigure $fd -translation lf
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puts -nonewline $fd $minimal_ascii_stl
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close $fd
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readstl res_one_ascii_noeol ${imagedir}/${casename}_one_ascii_noeol.stl
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checknbshapes res_one_ascii_noeol -face 1
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puts "\n#======================================================================"
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puts "# Ascii file with no facets, CRLF"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_zero_ascii_dos.stl w]
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fconfigure $fd -translation crlf
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puts $fd "solid \nendsolid"
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close $fd
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readstl res_zero_ascii_dos ${imagedir}/${casename}_zero_ascii_dos.stl
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puts "\n#======================================================================"
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puts "# Ascii file with no facets, LF"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_zero_ascii_unix.stl w]
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fconfigure $fd -translation lf
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puts $fd "solid \nendsolid"
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close $fd
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readstl res_zero_ascii_unix ${imagedir}/${casename}_zero_ascii_unix.stl
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puts "\n#======================================================================"
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puts "# Binary file with single facet"
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puts "#======================================================================"
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set fd [open ${imagedir}/${casename}_one_binary.stl w]
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fconfigure $fd -translation binary
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puts -nonewline $fd "stl [string repeat { } 76]"
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puts -nonewline $fd [binary format if3f3f3f3t 1 {0 0 1} {0 0 0} {1 0 0} {0 1 0} 0]
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close $fd
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readstl res_one_binary ${imagedir}/${casename}_one_binary.stl
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checknbshapes res_one_binary -face 1
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puts "\n#======================================================================"
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puts "# Binary file with no facets -- will be treated as Ascii and generate e r r o r"
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puts "#======================================================================"
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puts "REQUIRED ALL: Error: unexpected format of facet at line 2"
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set fd [open ${imagedir}/${casename}_zero_binary.stl w]
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fconfigure $fd -translation binary
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puts -nonewline $fd "stl [string repeat { } 76][binary format i 0]"
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close $fd
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readstl res_zero_binary ${imagedir}/${casename}_zero_binary.stl
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puts "\n#======================================================================"
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puts "# Empty file"
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puts "#======================================================================"
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puts "REQUIRED ALL: Error: unexpected format of facet at line 2"
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set fd [open ${imagedir}/${casename}_empty.stl w]
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close $fd
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readstl res_empty ${imagedir}/${casename}_empty.stl
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