1 files changed, 14 insertions, 0 deletions
diff --git a/test/gleam/javascript/array_test.gleam b/test/gleam/javascript/array_test.gleam
index 2f5e627..2f149a5 100644
--- a/test/gleam/javascript/array_test.gleam
+++ b/test/gleam/javascript/array_test.gleam
@@ -17,3 +17,17 @@ pub fn length_test() {
     array.from_list([])
     |> array.length
 }
+
+pub fn map_test() {
+  assert [] =
+    []
+    |> array.from_list
+    |> array.map(fn(a) { a + 1 })
+    |> array.to_list
+
+  assert [2, 3, 4] =
+    [1, 2, 3]
+    |> array.from_list
+    |> array.map(fn(a) { a + 1 })
+    |> array.to_list
+}