Add tests to LoggerHelperTest

DEVSIX-5628

Autoported commit.
Original commit hash: [3e134e7b5]

Author: introfog

itext.tests/itext.pdftest.tests/itext/test/LoggerHelperTest.cs

@@ -24,6 +24,20 @@ You should have received a copy of the GNU Affero General Public License
 
 namespace iText.Test {
     public class LoggerHelperTest : ExtendedITextTest {
+        [NUnit.Framework.Test]
+        public virtual void NotEqualMessageWithSimilarStartTest() {
+            String pattern = "There might be a message: {0} with text.";
+            String example = "There might be a message: TEMP with text. And add some other text.";
+            NUnit.Framework.Assert.IsFalse(LogListenerHelper.EqualsMessageByTemplate(example, pattern));
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void NotEqualMessageWithSimilarEndTest() {
+            String pattern = "a message: {0} with text.";
+            String example = "There might be a message: TEMP with text.";
+            NUnit.Framework.Assert.IsFalse(LogListenerHelper.EqualsMessageByTemplate(example, pattern));
+        }
+
         [NUnit.Framework.Test]
         public virtual void EqualsMessageByTemplate() {
             String pattern = "There might be a message: {0}";

itext/itext.pdftest/itext/test/LogListenerHelper.cs

@@ -81,6 +81,7 @@ public static bool EqualsMessageByTemplate(string message, string template)
             if (template.Contains("{") && template.Contains("}"))
             {
                 String templateWithoutParameters = Regex.Replace(Regex.Escape(template).Replace("''", "'"), "\\\\\\{[0-9]+?\\}", "(.)*?");
+                templateWithoutParameters = "^" + templateWithoutParameters + "$";
                 return Regex.IsMatch(message, templateWithoutParameters, RegexOptions.Singleline);
             }