From 3a981f8d584baa621e659f45f80654710daea2b1 Mon Sep 17 00:00:00 2001
From: Peter Saxton <peterhsaxton@gmail.com>
Date: Sat, 6 Jun 2020 13:09:43 +0100
Subject: split_once function for strings

---
 test/gleam/string_test.gleam | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test')

diff --git a/test/gleam/string_test.gleam b/test/gleam/string_test.gleam
index 2fbb84f..a9b0d79 100644
--- a/test/gleam/string_test.gleam
+++ b/test/gleam/string_test.gleam
@@ -38,6 +38,20 @@ pub fn split_test() {
   |> should.equal(["Gleam", "Erlang,Elixir"])
 }
 
+pub fn split_first_test() {
+  "Gleam,Erlang,Elixir"
+  |> string.split_once(",")
+  |> should.equal(Ok(tuple("Gleam", "Erlang,Elixir")))
+
+  "Gleam"
+  |> string.split_once(",")
+  |> should.equal(Error(Nil))
+
+  ""
+  |> string.split_once(",")
+  |> should.equal(Error(Nil))
+}
+
 pub fn replace_test() {
   "Gleam,Erlang,Elixir"
   |> string.replace(",", "++")
-- 
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