From 0c0d11941352936aacaa6cfb28e5b9557f0b3db3 Mon Sep 17 00:00:00 2001
From: Nicolas Boichat <nicolas@boichat.ch>
Date: Tue, 11 Mar 2025 11:50:33 +0100
Subject: [PATCH] test: printf: Add a test for scientific printing of negative
 number

This was broken before the last few commits.
---
 tests/by-util/test_printf.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/by-util/test_printf.rs b/tests/by-util/test_printf.rs
index 098218d6c..f33959ea0 100644
--- a/tests/by-util/test_printf.rs
+++ b/tests/by-util/test_printf.rs
@@ -380,6 +380,14 @@ fn sub_num_dec_trunc() {
         .stdout_only("pi is ~ 3.14159");
 }
 
+#[test]
+fn sub_num_sci_negative() {
+    new_ucmd!()
+        .args(&["-1234 is %e", "-1234"])
+        .succeeds()
+        .stdout_only("-1234 is -1.234000e+03");
+}
+
 #[cfg_attr(not(feature = "test_unimplemented"), ignore)]
 #[test]
 fn sub_num_hex_float_lower() {