From 8c8195de89c55c9af89d8ee42d6dba2550226f1b Mon Sep 17 00:00:00 2001
From: daa84 <daa84@inbox.ru>
Date: Thu, 16 Nov 2017 17:25:59 +0300
Subject: [PATCH] Fix hex converter

---
 src/color.rs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/color.rs b/src/color.rs
index a5de61a..2715cd7 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -39,7 +39,7 @@ impl Color {
 
     pub fn to_hex(&self) -> String {
         format!(
-            "#{:X}{:X}{:X}",
+            "#{:02X}{:02X}{:02X}",
             (self.0 * 255.0) as u8,
             (self.1 * 255.0) as u8,
             (self.2 * 255.0) as u8
@@ -150,3 +150,14 @@ impl ColorModel {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_to_hex() {
+        let col = Color(0.0, 1.0, 0.0);
+        assert_eq!("#00FF00", &col.to_hex());
+    }
+}