From 0ece235f60b612bcb3c4b20bc7eaf44d6cf01cd1 Mon Sep 17 00:00:00 2001
From: Marcin Puc <tranzystorek.io@protonmail.com>
Date: Mon, 19 Dec 2022 18:03:44 +0100
Subject: add test for iterator.transform

---
 test/gleam/iterator_test.gleam | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/gleam/iterator_test.gleam b/test/gleam/iterator_test.gleam
index 976e209..e31b628 100644
--- a/test/gleam/iterator_test.gleam
+++ b/test/gleam/iterator_test.gleam
@@ -69,6 +69,14 @@ pub fn take_test() {
   test(22, [0, 1, 2, 3, 4])
 }
 
+pub fn transform_test() {
+  ["a", "b", "c", "d"]
+  |> iterator.from_list
+  |> iterator.transform(0, fn(i, el) { Next(#(i, el), i + 1) })
+  |> iterator.to_list
+  |> should.equal([#(0, "a"), #(1, "b"), #(2, "c"), #(3, "d")])
+}
+
 // a |> from_list |> fold(a, f) == a |> list.fold(_, a, f)
 pub fn fold_test() {
   let test = fn(subject, acc, f) {
-- 
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