From 4b9b437dc1acab627b32558dd272ef5e898c2ace Mon Sep 17 00:00:00 2001
From: hneemann <helmut.neemann@arcor.de>
Date: Sun, 30 Apr 2017 09:24:41 +0200
Subject: [PATCH] LineBreaker removes multiple line breaks

---
 src/main/java/de/neemann/gui/LineBreaker.java     | 14 ++++++++------
 src/test/java/de/neemann/gui/LineBreakerTest.java |  4 +++-
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/main/java/de/neemann/gui/LineBreaker.java b/src/main/java/de/neemann/gui/LineBreaker.java
index a5ae7394d..6a997d4cf 100644
--- a/src/main/java/de/neemann/gui/LineBreaker.java
+++ b/src/main/java/de/neemann/gui/LineBreaker.java
@@ -70,7 +70,6 @@ public class LineBreaker {
                     if (preserveLineBreaks) {
                         addWord(word);
                         lineBreak();
-                        isFirst = true;
                         break;
                     }
                 case '\r':
@@ -108,11 +107,14 @@ public class LineBreaker {
     }
 
     private void lineBreak() {
-        outText.append('\n');
-        for (int j = 0; j < indent; j++)
-            outText.append(" ");
-        pos = indent;
-        containsLineBreak = true;
+        if (!isFirst) {
+            outText.append('\n');
+            for (int j = 0; j < indent; j++)
+                outText.append(" ");
+            pos = indent;
+            containsLineBreak = true;
+            isFirst = true;
+        }
     }
 
     /**
diff --git a/src/test/java/de/neemann/gui/LineBreakerTest.java b/src/test/java/de/neemann/gui/LineBreakerTest.java
index fb483330c..9545b7fdf 100644
--- a/src/test/java/de/neemann/gui/LineBreakerTest.java
+++ b/src/test/java/de/neemann/gui/LineBreakerTest.java
@@ -24,7 +24,9 @@ public class LineBreakerTest extends TestCase {
 
 
     public void testBreakLinesPreserve() throws Exception {
-        assertEquals("this is a\ntest string", new LineBreaker(60).preserveContainedLineBreaks().breakLines("this is a\n   test  string"));
+        assertEquals("this is a\ntest string", new LineBreaker(60).preserveContainedLineBreaks().breakLines("this is a\ntest  string"));
+        assertEquals("this is a\ntest string", new LineBreaker(60).preserveContainedLineBreaks().breakLines("this is a  \n   test  string"));
+        assertEquals("this is a\ntest string\n", new LineBreaker(60).preserveContainedLineBreaks().breakLines("\n\nthis is a\n\ntest  string\n\n\n"));
         assertEquals("this is a\ntest string. This is\na test string.", new LineBreaker(20).preserveContainedLineBreaks().breakLines("this is a\n   test  string. This is a test string."));
     }