Add test coverage to toString in JavadocNodeImpl. #1308

pom.xml

@@ -834,7 +834,6 @@
           <regex><pattern>.*.checks.javadoc.AtclauseOrderCheck</pattern><branchRate>88</branchRate><lineRate>88</lineRate></regex>
           <regex><pattern>.*.checks.javadoc.HtmlTag</pattern><branchRate>75</branchRate><lineRate>90</lineRate></regex>
           <regex><pattern>.*.checks.javadoc.JavadocMethodCheck</pattern><branchRate>90</branchRate><lineRate>96</lineRate></regex>
-          <regex><pattern>.*.checks.javadoc.JavadocNodeImpl</pattern><branchRate>50</branchRate><lineRate>84</lineRate></regex>
           <regex><pattern>.*.checks.javadoc.JavadocPackageCheck</pattern><branchRate>80</branchRate><lineRate>95</lineRate></regex>
           <regex><pattern>.*.checks.javadoc.JavadocParagraphCheck</pattern><branchRate>92</branchRate><lineRate>100</lineRate></regex>
           <regex><pattern>.*.checks.javadoc.JavadocStyleCheck</pattern><branchRate>89</branchRate><lineRate>97</lineRate></regex>

src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocNodeImplTest.java

@@ -0,0 +1,40 @@
+////////////////////////////////////////////////////////////////////////////////
+// checkstyle: Checks Java source code for adherence to a set of rules.
+// Copyright (C) 2001-2015 the original author or authors.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+////////////////////////////////////////////////////////////////////////////////
+
+package com.puppycrawl.tools.checkstyle.checks.javadoc;
+
+import com.puppycrawl.tools.checkstyle.api.JavadocTokenTypes;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class JavadocNodeImplTest {
+
+    @Test
+    public void testToString() {
+        JavadocNodeImpl javadocNode = new JavadocNodeImpl();
+        javadocNode.setType(JavadocTokenTypes.CODE_LITERAL);
+        javadocNode.setLineNumber(1);
+        javadocNode.setColumnNumber(2);
+
+        String result = javadocNode.toString();
+
+        assertEquals("CODE_LITERAL[1x2]", result);
+    }
+}