public void TestAttributeMethods()
{
SimpleElement se = new SimpleElement();
Assert.AreEqual(se.Attributes.Count, 0);
IXmlValue attr1 = se.AddAttribute("attr1");
attr1.SetString("value1");
Assert.AreEqual(se.Attributes.Count, 1);
Assert.IsNull(se.GetAttribute("attr2"));
Assert.AreEqual(attr1, se.GetAttribute("attr1"));
Exception e = null;
try
{
se.GetAttribute(null);
}
catch (Exception ex)
{
e = ex;
}
Assert.IsNotNull(e);
Assert.IsInstanceOf(typeof(ArgumentException), e);
se.AddAttribute("attr2");
Assert.AreEqual(se.Attributes.Count, 2);
se.SetAttribute("attr2", null);
Assert.AreEqual(se.Attributes.Count, 1);
se.SetAttribute("attr2", new SimpleValue("value2"));
Assert.AreEqual(se.Attributes.Count, 2);
Assert.IsNull(se.GetAttribute("attr3"));
IXmlValue attr3 = se.GetSafeAttribute("attr3");
Assert.IsNotNull(attr3);
Assert.IsFalse(attr3.IsMutable);
}
public void TestProperties()
{
SimpleValue sv = new SimpleValue("value", false, false);
Assert.IsFalse(sv.IsAttribute);
Assert.IsTrue(sv.IsContent);
Assert.IsFalse(sv.IsEmpty);
Assert.IsNull(sv.Parent);
sv.SetString(null);
Assert.IsTrue(sv.IsEmpty);
sv.SetString("");
Assert.IsTrue(sv.IsEmpty);
sv.SetBinary(Binary.NO_BINARY);
Assert.IsTrue(sv.IsEmpty);
SimpleElement element = new SimpleElement();
sv.Parent = element;
Assert.IsNotNull(sv.Parent);
Exception e = null;
try
{
sv.Parent = new SimpleElement(); //already set
}
catch (Exception ex)
{
e = ex;
}
Assert.IsNotNull(e);
Assert.IsInstanceOf(typeof(InvalidOperationException), e);
e = null;
try
{
sv.Parent = null; //cannot be null
}
catch (Exception ex)
{
e = ex;
}
Assert.IsNotNull(e);
Assert.IsInstanceOf(typeof(ArgumentException), e);
e = null;
IXmlValue immutable = element.GetSafeAttribute("attr");
Assert.IsNotNull(immutable);
Assert.IsFalse(immutable.IsMutable);
try
{
immutable.Parent = element;
}
catch (Exception ex)
{
e = ex;
}
Assert.IsNotNull(e);
Assert.IsInstanceOf(typeof(InvalidOperationException), e);
sv = new SimpleValue("value", false, false);
Assert.IsTrue(sv.IsMutable);
sv.Parent = element.GetSafeElement("test");
Assert.IsFalse(sv.IsMutable);
}