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-rw-r--r--test/gleam/iterator_test.gleam14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/gleam/iterator_test.gleam b/test/gleam/iterator_test.gleam
index 2debc51..e7f749a 100644
--- a/test/gleam/iterator_test.gleam
+++ b/test/gleam/iterator_test.gleam
@@ -481,3 +481,17 @@ pub fn try_fold_test() {
|> iterator.try_fold(0, f)
|> should.equal(Error("tried to add an odd number"))
}
+
+pub fn at_test() {
+ iterator.from_list([1, 2, 3, 4])
+ |> iterator.at(2)
+ |> should.equal(Ok(3))
+
+ iterator.from_list([1, 2, 3, 4])
+ |> iterator.at(4)
+ |> should.equal(Error(Nil))
+
+ iterator.empty()
+ |> iterator.at(0)
+ |> should.equal(Error(Nil))
+}