From 373e611ace1ce46066c5e0d6fd163b9e28618838 Mon Sep 17 00:00:00 2001
From: Jozef Grajciar <jozef.grajciar@gmail.com>
Date: Sun, 20 Jan 2019 11:37:17 +0100
Subject: [PATCH 1/2] Fix length calculation in case linebreak is first

original fix by @Danielhu229
https://github.com/catchorg/Catch2/pull/1470
---
 TextFlow.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/TextFlow.hpp b/TextFlow.hpp
index 41b7e30..96b09bf 100644
--- a/TextFlow.hpp
+++ b/TextFlow.hpp
@@ -78,6 +78,8 @@ namespace TextFlow {
                 m_suffix = false;
                 auto width = m_column.m_width-indent();
                 m_end = m_pos;
+                if(!line().empty() && line()[m_pos] == '\n')
+                    ++m_end;
                 while( m_end < line().size() && line()[m_end] != '\n' )
                     ++m_end;
 

From c062f58c84c2421256f0868b0d5c6e35c8f7c7a7 Mon Sep 17 00:00:00 2001
From: Jozef Grajciar <jozef.grajciar@gmail.com>
Date: Sun, 20 Jan 2019 11:52:59 +0100
Subject: [PATCH 2/2] Tests: added test for messages starting with linebreak

---
 TextFlow_Tests.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/TextFlow_Tests.cpp b/TextFlow_Tests.cpp
index 414e1e0..0d1b475 100644
--- a/TextFlow_Tests.cpp
+++ b/TextFlow_Tests.cpp
@@ -279,6 +279,22 @@ TEST_CASE( "another long string" ) {
         "  convallis posuere, libero nisi ultricies orci, nec lobortis." );
 }
 
+TEST_CASE( "message with linebreak at start" )
+{
+    const auto message = std::string(
+        "\nthis is a message starting with linebreak"
+    );
+
+    auto col = Column( message )
+        .width(79)
+        .indent(2);
+
+    REQUIRE(col.toString() ==
+        "  \n"
+        "this is a message starting with linebreak"
+    );
+}
+
 std::mt19937 rng;
 std::uniform_int_distribution<std::mt19937::result_type> wordCharGenerator(33,126);
 std::uniform_int_distribution<std::mt19937::result_type> wsGenerator(0, 11);