From 8536388420aaa80cdc1435ffb0eeaabdf5055b82 Mon Sep 17 00:00:00 2001
From: Haik Aslanyan <aslanyanhaik@gmail.com>
Date: Fri, 10 Apr 2020 20:36:28 +0400
Subject: [PATCH] added empty string case

---
 Sources/Internal/RCBitCoder.swift | 3 +++
 Sources/Public/RCCoder.swift      | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Sources/Internal/RCBitCoder.swift b/Sources/Internal/RCBitCoder.swift
index a4cb1d9..b81ae5d 100644
--- a/Sources/Internal/RCBitCoder.swift
+++ b/Sources/Internal/RCBitCoder.swift
@@ -41,6 +41,9 @@ extension RCBitCoder {
     guard message.count <= configuration.maxMessageCount else {
       throw RCError.longText
     }
+    guard !message.isEmpty else {
+      return [RCBit](repeating: .zero, count: configuration.version.maxBitesPerSection * 4)
+    }
     //mapping into character indexes
     var indexes = message.map({configuration.characters.firstIndex(of: $0)!})
     //adding staring character index and filling with special indexes
diff --git a/Sources/Public/RCCoder.swift b/Sources/Public/RCCoder.swift
index fd6390e..a09fef9 100644
--- a/Sources/Public/RCCoder.swift
+++ b/Sources/Public/RCCoder.swift
@@ -38,7 +38,7 @@ public extension RCCoder {
   func encode(_ image: RCImage) throws -> UIImage {
     let bits = try bitCoder.encode(message: image.message)
     let image = imageEncoder.encode(image, bits: bits)
-    return UIImage()
+    return image
   }
   
   func decode(_ image: UIImage) throws -> String {