diff --git a/assets/tests/rhai/entity_variable.rhai b/assets/tests/rhai/entity_variable.rhai
index e69de29..b93b116 100644
--- a/assets/tests/rhai/entity_variable.rhai
+++ b/assets/tests/rhai/entity_variable.rhai
@@ -0,0 +1,3 @@
+fn test_func() {
+  rust_func(entity.index);
+}
diff --git a/assets/tests/rhai/entity_variable_eval.rhai b/assets/tests/rhai/entity_variable_eval.rhai
index e69de29..3c94277 100644
--- a/assets/tests/rhai/entity_variable_eval.rhai
+++ b/assets/tests/rhai/entity_variable_eval.rhai
@@ -0,0 +1,5 @@
+let index = entity.index;
+
+fn test_func() {
+  rust_func(index);
+}
diff --git a/assets/tests/rhai/pass_entity_from_script.rhai b/assets/tests/rhai/pass_entity_from_script.rhai
new file mode 100644
index 0000000..ad4f318
--- /dev/null
+++ b/assets/tests/rhai/pass_entity_from_script.rhai
@@ -0,0 +1,3 @@
+fn test_func() {
+  rust_func(entity);
+}
diff --git a/assets/tests/rhai/pass_vec3_from_script.rhai b/assets/tests/rhai/pass_vec3_from_script.rhai
new file mode 100644
index 0000000..cc137f7
--- /dev/null
+++ b/assets/tests/rhai/pass_vec3_from_script.rhai
@@ -0,0 +1,3 @@
+fn test_func() {
+  rust_func(new_vec3(1.5, 2.5, -3.5));
+}
diff --git a/assets/tests/rhai/pass_vec3_to_script.rhai b/assets/tests/rhai/pass_vec3_to_script.rhai
new file mode 100644
index 0000000..e0550d0
--- /dev/null
+++ b/assets/tests/rhai/pass_vec3_to_script.rhai
@@ -0,0 +1,4 @@
+fn test_func(vec3) {
+  // TODO: asser vec3 correctness
+  mark_success()
+}
diff --git a/assets/tests/ruby/entity_variable_eval.rb b/assets/tests/ruby/entity_variable_eval.rb
index da5f2a3..f2f0594 100644
--- a/assets/tests/ruby/entity_variable_eval.rb
+++ b/assets/tests/ruby/entity_variable_eval.rb
@@ -1,6 +1,5 @@
 $index = $entity.index
 
 def test_func
-  print($index)
   rust_func($index)
 end