--- /dev/null
+puts "============"
+puts "OCC7166"
+puts "============"
+puts ""
+#######################################################################
+# Improvement of API of ThruSection
+#######################################################################
+
+set BugNumber OCC7166
+
+circle c1 0 0 0 10
+mkedge e1 c1
+wire w1 e1
+
+vertex v1 40 0 20
+vertex v2 40 0 -20
+
+set issolid 1
+set isruled 1
+
+setflags w1 locked
+setflags v1 locked
+setflags v2 locked
+
+
+catch {thrusections result ${issolid} ${isruled} v1 w1 v2 -safe}
+
+
+checkprops result -s 2160.94
+
+
+checknbshapes result -vertex 3 -edge 5 -wire 2 -face 2 -shell 1 -solid 1 -compsolid 0 -compound 0 -shape 14
+
+
+set index [lsearch [whatis result] Closed]
+if {$index == -1} {
+ puts "Faulty ${BugNumber} : result is not Closed shape"
+
+}
+
+