public void AddChild_works()
{
var xmlDocument = new XmlDocument();
// setup
xmlDocument.LoadXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b></a>");
// test
XmlHelper.AddChildNode(xmlDocument, "a", "<c>content of c</c>");
Assert.That(xmlDocument.OuterXml,
Is.EqualTo(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b><c>content of c</c></a>"));
// setup
xmlDocument.LoadXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b></a>");
// test
XmlHelper.AddChildNode(xmlDocument, "/a", "<c>content of c</c>");
Assert.That(xmlDocument.OuterXml,
Is.EqualTo(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b><c>content of c</c></a>"));
// setup
xmlDocument.LoadXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b></a>");
// test
XmlHelper.AddChildNode(xmlDocument, "a/b", "<c>content of c</c>");
Assert.That(xmlDocument.OuterXml,
Is.EqualTo(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text<c>content of c</c></b></a>"));
// setup
xmlDocument.LoadXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- comment --><a><b>b-text</b></a>");
// test
var exception = Assert.Throws <XpathFoundNothingException>(delegate {
var unused = XmlHelper.AddChildNode(xmlDocument, "b", "<c>content of c</c>");
});
Assert.That(exception.Message, Is.EqualTo(string.Format(XpathFoundNothingException.MsgMask, "b")));
}
