From 5bf174eb6515638ab03c2460a160dbde0ac00b88 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Thu, 2 Jun 2022 13:16:09 +0300
Subject: [PATCH] Rust: add tests for ntoa prefixes

---
 pkgs/rust/kernaux/src/lib.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/rust/kernaux/src/lib.rs b/pkgs/rust/kernaux/src/lib.rs
index 9e72224..c2e69fe 100644
--- a/pkgs/rust/kernaux/src/lib.rs
+++ b/pkgs/rust/kernaux/src/lib.rs
@@ -21,6 +21,19 @@ mod tests {
         assert_eq!(itoa(123, Default::default(), None), Ok("123".into()));
         assert_eq!(itoa(-123, Default::default(), None), Ok("-123".into()));
 
+        assert_eq!(
+            utoa(123, Default::default(), Some("foo")),
+            Ok("foo123".into()),
+        );
+        assert_eq!(
+            itoa(123, Default::default(), Some("foo")),
+            Ok("foo123".into()),
+        );
+        assert_eq!(
+            itoa(-123, Default::default(), Some("foo")),
+            Ok("-foo123".into()),
+        );
+
         assert_eq!(utoa2(123), "0b1111011");
         assert_eq!(itoa2(123), "0b1111011");
         assert_eq!(utoa8(0o123), "0o123");