Fixed issue when wrap paragraph was done in the last line.

plugins/org.python.pydev.core/src/org/python/pydev/core/wrap_paragraph/Paragrapher.java

@@ -100,6 +100,12 @@ public boolean previousLineIsInParagraph() {
 
     public boolean nextLineIsInParagraph() {
         if (currentLineNo + 1 == numberOfLinesInDocument) {
+            try {
+                lengthOfOriginalParagraph = selection.getEndLineOffset(currentLineNo) - offsetOfOriginalParagraph;
+            } catch (BadLocationException e) {
+                return false;
+            }
+
             return false;
         }
 

plugins/org.python.pydev.core/tests/org/python/pydev/core/wrap_paragraph/WrapParagraphTest.java

@@ -0,0 +1,59 @@
+package org.python.pydev.core.wrap_paragraph;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.text.edits.MalformedTreeException;
+import org.eclipse.text.edits.ReplaceEdit;
+import org.python.pydev.core.docutils.PySelection;
+import org.python.pydev.shared_core.string.StringUtils;
+
+import junit.framework.TestCase;
+
+public class WrapParagraphTest extends TestCase {
+
+    public void testParagrapher() throws MalformedTreeException, BadLocationException {
+        String txt = "# aaaa bbbb ccccc ddddd";
+        IDocument doc = new Document(txt);
+        PySelection ps = new PySelection(doc);
+        Paragrapher p = new Paragrapher(ps, 12);
+        assertNull(p.getValidErrorInPos());
+        ReplaceEdit replaceEdit = p.getReplaceEdit();
+        replaceEdit.apply(doc);
+        assertEquals("# aaaa bbbb\n"
+                + "# ccccc\n"
+                + "# ddddd", StringUtils.replaceNewLines(doc.get(), "\n"));
+
+    }
+
+    public void testParagrapher2() throws MalformedTreeException, BadLocationException {
+        String txt = "# aaaa bbbb\n# ccccc ddddd";
+        IDocument doc = new Document(txt);
+        PySelection ps = new PySelection(doc);
+        Paragrapher p = new Paragrapher(ps, 12);
+        assertNull(p.getValidErrorInPos());
+        ReplaceEdit replaceEdit = p.getReplaceEdit();
+        replaceEdit.apply(doc);
+        assertEquals("# aaaa bbbb\n"
+                + "# ccccc\n"
+                + "# ddddd", StringUtils.replaceNewLines(doc.get(), "\n"));
+
+    }
+
+    public void testParagrapher3() throws MalformedTreeException, BadLocationException {
+        String txt = "'''\naaaa bbbb\nccccc ddddd eeee\n'''";
+        IDocument doc = new Document(txt);
+        PySelection ps = new PySelection(doc, 5);
+        Paragrapher p = new Paragrapher(ps, 12);
+        assertNull(p.getValidErrorInPos());
+        ReplaceEdit replaceEdit = p.getReplaceEdit();
+        replaceEdit.apply(doc);
+        assertEquals("'''\n"
+                + "aaaa bbbb\n"
+                + "ccccc ddddd\n"
+                + "eeee\n"
+                + "'''", StringUtils.replaceNewLines(doc.get(), "\n"));
+
+    }
+
+}