Tests location information retrieved from the SimpleNode.

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@394 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/regress/test/net/sourceforge/pmd/ast/SimpleNodeTest.java

@@ -0,0 +1,76 @@
+package test.net.sourceforge.pmd.ast;
+
+import net.sourceforge.pmd.ast.*;
+
+import java.util.Set;
+import java.util.Iterator;
+
+public class SimpleNodeTest
+    extends ParserTst
+{
+    public SimpleNodeTest( String name ) {
+	super( name );
+    }
+
+    public void testMethodDiffLines() 
+	throws Throwable
+    {
+	String javaCode = "public class Test {\n";
+	javaCode += "  public void helloWorld() \n"; // Line 2, Col 3
+	javaCode += "  { System.err.println(\"Hello World\"); \n";
+	javaCode += " } \n"; // Line 4, Col 2
+	javaCode += "}";
+
+	Set methods = getNodes( ASTMethodDeclaration.class,
+				javaCode );
+	Iterator iter = methods.iterator();
+	assertTrue( iter.hasNext() );
+	verifyNode( (SimpleNode) iter.next(),
+		    2, 3, 4, 2 );
+    }
+
+    public void testMethodSameColumn() 
+	throws Throwable
+    {
+	String javaCode = "public class Test {\n";
+	javaCode += "public void helloWorld() {\n"; // Line 2, Col 1
+	javaCode += "} \n"; // Line 3, Col 1
+	javaCode += "}\n";
+
+	Set methods = getNodes( ASTMethodDeclaration.class,
+				javaCode );
+	Iterator iter = methods.iterator();
+	assertTrue( iter.hasNext() );
+	verifyNode( (SimpleNode) iter.next(),
+		    2, 1, 3, 1 );
+    }
+
+    public void testMethodSameLine() 
+	throws Throwable
+    {
+	String javaCode = "public class Test {\n";
+	javaCode += "  public void helloWorld() {}\n"; // 2, 3 -> 2, 29
+	javaCode += "}\n";
+
+	Set methods = getNodes( ASTMethodDeclaration.class,
+				javaCode );
+	Iterator iter = methods.iterator();
+	assertTrue( iter.hasNext() );
+	verifyNode( (SimpleNode) iter.next(),
+		    2, 3, 2, 29 );
+    }
+
+    public void verifyNode( SimpleNode node,
+			    int beginLine, int beginCol,
+			    int endLine, int endCol ) {
+	assertEquals( "Wrong Line Number provided for Start: ",
+		      beginLine, node.getBeginLine() );
+	assertEquals( "Wrong Column provided for Begin: ",
+		      beginCol, node.getBeginColumn() );
+	assertEquals( "Wrong Line Number provided for End: ",
+		      endLine, node.getEndLine() );
+	assertEquals( "Wrong Column provide for End: ",
+		      endCol, node.getEndColumn() );
+	
+    }
+}