@@ -72,7 +72,7 @@ export class Element implements Node {
       public endSourceSpan: ParseSourceSpan|null, public i18n?: I18nAST) {
     // If the element is empty then the source span should include any closing tag
     if (children.length === 0 && startSourceSpan && endSourceSpan) {
-      this.sourceSpan = {...sourceSpan, end: endSourceSpan.end};
+      this.sourceSpan = new ParseSourceSpan(sourceSpan.start, endSourceSpan.end);
     }
   }
   visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitElement(this); }
 
@@ -95,7 +95,17 @@ function expectFromR3Nodes(nodes: t.Node[]) {
   return expect(humanizer.result);
 }
 
+function expectSpanFromHtml(html: string) {
+  const {nodes} = parse(html);
+  return expect(nodes[0] !.sourceSpan.toString());
+}
+
 describe('R3 template transform', () => {
+  describe('ParseSpan on nodes toString', () => {
+    it('should create valid text span on Element with adjacent start and end tags',
+       () => { expectSpanFromHtml('<div></div>').toBe('<div></div>'); });
+  });
+
   describe('Nodes without binding', () => {
     it('should parse text nodes', () => {
       expectFromHtml('a').toEqual([
Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,7 @@ export class Element implements Node {`
`72`	`72`	`public endSourceSpan: ParseSourceSpan\|null, public i18n?: I18nAST) {`
`73`	`73`	`// If the element is empty then the source span should include any closing tag`
`74`	`74`	`if (children.length === 0 && startSourceSpan && endSourceSpan) {`
`75`		`- this.sourceSpan = {...sourceSpan, end: endSourceSpan.end};`
	`75`	`+ this.sourceSpan = new ParseSourceSpan(sourceSpan.start, endSourceSpan.end);`
`76`	`76`	`}`
`77`	`77`	`}`
`78`	`78`	`visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitElement(this); }`