merge

Merge remote branch 'upstream/visitor' into visitortests

Conflicts:
	src/export.cc
	src/openscad.cc
	src/polyset.cc
	src/transform.cc
	tests/CMakeLists.txt
	tests/FindGLEW.cmake
	tests/csgtermtest.cc

1 files changed, 34 insertions, 0 deletions

diff --git a/testdata/scad/features/child-tests.scad b/testdata/scad/features/child-tests.scad
new file mode 100644
index 0000000..e4e3572
--- /dev/null
+++ b/testdata/scad/features/child-tests.scad
@@ -0,0 +1,34 @@
+$fn=16;
+
+module parent() {
+  for (i=[0:2]) {
+    translate([2.5*i,0,0]) child(i);
+  }
+}
+
+// Normal
+parent() {
+  sphere();
+  cylinder(h=2, center=true);
+  cube(2, center=true);
+}
+
+// No children
+parent();
+
+// Too few children
+translate([0,3,0]) parent() { sphere(); }
+
+// No parameter to child
+module parent2() {
+  child();
+}
+
+translate([2.5,3,0]) parent2() { cylinder(h=2, center=true); sphere(); }
+
+// Negative parameter to child
+module parent3() {
+  child(-1);
+}
+
+translate([5,3,0]) parent3() { cube(); sphere(); }