HtmlTableCell: allow superfluous line breaks in rowspan/colspan

Author: duonglaiquang

src/main/java/org/htmlunit/html/HtmlTableCell.java

@@ -16,6 +16,7 @@
 
 import java.util.Map;
 
+import org.apache.commons.lang3.StringUtils;
 import org.htmlunit.SgmlPage;
 
 /**
@@ -48,7 +49,7 @@ protected HtmlTableCell(final String qualifiedName, final SgmlPage page,
      * @return the value of the colspan attribute, or <code>1</code> if the attribute wasn't specified
      */
     public int getColumnSpan() {
-        final String spanString = getAttributeDirect("colspan");
+        final String spanString = StringUtils.replaceChars(getAttributeDirect("colspan"), "\r\n", null);
         if (spanString == null || spanString.isEmpty()) {
             return 1;
         }
@@ -65,7 +66,7 @@ public int getColumnSpan() {
      * @return the value of the rowspan attribute, or <code>1</code> if the attribute wasn't specified
      */
     public int getRowSpan() {
-        final String spanString = getAttributeDirect("rowspan");
+        final String spanString = StringUtils.replaceChars(getAttributeDirect("rowspan"), "\r\n", null);
         if (spanString == null || spanString.isEmpty()) {
             return 1;
         }

src/main/java/org/htmlunit/javascript/host/html/HTMLTableCellElement.java

@@ -16,6 +16,7 @@
 
 import static org.htmlunit.BrowserVersionFeatures.JS_TABLE_SPAN_SET_ZERO_IF_INVALID;
 
+import org.apache.commons.lang3.StringUtils;
 import org.htmlunit.css.ComputedCssStyleDeclaration;
 import org.htmlunit.css.StyleAttributes;
 import org.htmlunit.html.DomNode;
@@ -177,7 +178,7 @@ public void setBgColor(final String bgColor) {
      */
     @JsxGetter
     public int getColSpan() {
-        final String s = getDomNodeOrDie().getAttribute("colSpan");
+        final String s = StringUtils.replaceChars(getDomNodeOrDie().getAttribute("colSpan"), "\r\n", null);
         try {
             return Integer.parseInt(s);
         }
@@ -210,7 +211,7 @@ public void setColSpan(final String colSpan) {
      */
     @JsxGetter
     public int getRowSpan() {
-        final String s = getDomNodeOrDie().getAttribute("rowSpan");
+        final String s = StringUtils.replaceChars(getDomNodeOrDie().getAttribute("rowSpan"), "\r\n", null);
         try {
             return Integer.parseInt(s);
         }