dynamic.opaque_list

1 files changed, 22 insertions, 0 deletions

diff --git a/test/gleam/dynamic_test.gleam b/test/gleam/dynamic_test.gleam
index 5b5a88c..410ae0e 100644
--- a/test/gleam/dynamic_test.gleam
+++ b/test/gleam/dynamic_test.gleam
@@ -316,3 +316,25 @@ pub fn map_test() {
   |> dynamic.map
   |> should.equal(Error("Expected a map, got an int"))
 }
+
+pub fn opaque_list_test() {
+  []
+  |> dynamic.from
+  |> dynamic.opaque_list
+  |> should.equal(Ok([]))
+
+  [1, 2]
+  |> dynamic.from
+  |> dynamic.opaque_list
+  |> should.equal(Ok([dynamic.from(1), dynamic.from(2)]))
+
+  [dynamic.from(1), dynamic.from(2.0)]
+  |> dynamic.from
+  |> dynamic.opaque_list
+  |> should.equal(Ok([dynamic.from(1), dynamic.from(2.0)]))
+
+  1
+  |> dynamic.from
+  |> dynamic.opaque_list
+  |> should.equal(Error("Expected a list, got an int"))
+}