1 files changed, 53 insertions, 0 deletions
diff --git a/testdata/scad/misc/variable-scope-tests.scad b/testdata/scad/misc/variable-scope-tests.scad
new file mode 100644
index 0000000..8426fbb
--- /dev/null
+++ b/testdata/scad/misc/variable-scope-tests.scad
@@ -0,0 +1,53 @@
+echo("special variable inheritance");
+module special_module(a) {
+  echo(a, $fn);
+  special_module2(a);
+}
+
+module special_module2(b) {
+  echo(a);
+  echo(b, $fn);
+}
+
+special_module(23, $fn=5);
+
+echo("inner variables shadows parameter");
+module inner_variables(a, b) {
+  b = 24;
+  echo(a, b);
+}
+
+inner_variables(5, 6);
+
+echo("user-defined special variables as parameter");
+module user_defined_special($b) {
+  echo($b);
+  user_defined_special2();
+}
+
+module user_defined_special2() {
+  echo($b);
+}
+
+user_defined_special(7);
+
+echo("assign only visible in children's scope");
+module assigning() {
+  echo(c);
+}
+
+module assigning2(c) {
+  echo(c);
+}
+
+assign(c=5) {
+  assigning();
+  assigning2(c);
+}
+
+echo("undeclared variable can still be passed and used");
+module undeclared_var() {
+  echo(d);
+}
+
+undeclared_var(d=6);