diff --git a/tests/testthat/functions.R b/tests/testthat/functions.R
index 8fe3ae9..f6216c8 100644
--- a/tests/testthat/functions.R
+++ b/tests/testthat/functions.R
@@ -1,22 +1,9 @@
 # overload input/return types
-sample_num <- ts_function(
-    sample,
-    x = ts_numeric(0),
-    result = ts_numeric(1)
-)
 
-sampler <- ts_function(
-    function() {
-        list(
-            sample_one = sample_num(0)
-        )
-    },
-    result = ts_list(
-        num = sample_num
-    )
-)
 
-ts_compile(d_normal)
+
+
+# ts_compile(d_normal)
 
 # compile to:
 # const sampler = R.ocap(
diff --git a/tests/testthat/test-functions.R b/tests/testthat/test-functions.R
index 0560c45..7027171 100644
--- a/tests/testthat/test-functions.R
+++ b/tests/testthat/test-functions.R
@@ -1,7 +1,7 @@
 # # optional, check arguments - useful for debugging/development
 # check_args(match.call(), formals())
 
-test_that("function definitions", {
+test_that("anonomous function definitions", {
     add <- ts_function(
         function(a = ts_numeric(1), b = ts_numeric(1)) a + b,
         result = ts_numeric(1)
@@ -10,3 +10,34 @@ test_that("function definitions", {
     expect_equal(add(1, 2), 3)
     expect_error(add("a", 2))
 })
+
+test_that("named function definitions", {
+    sample_num <- ts_function(
+        sample,
+        x = ts_numeric(),
+        result = ts_numeric()
+    )
+
+    x <- sample_num(1:10)
+    expect_true(all(x %in% 1:10))
+    expect_error(sample_num("a"))
+})
+
+test_that("function with complex return types", {
+    sampler <- ts_function(
+        function(x = ts_numeric()) {
+            list(
+                get = function(n) sample(x, n)
+            )
+        },
+        result = ts_list(
+            get = ts_function(
+                NULL,
+                n = ts_integer(1),
+                result = ts_numeric(1)
+            )
+        )
+    )
+
+    s <- sampler(1:10)
+})