public void TestClassEdits()
{
var testXml = @"<?xml version=""1.0"" encoding=""utf-8"" ?>
<test>
</test>";
var testXmlNoRoot = @"<test>
</test>";
var xmlObj = new XmlObject(testXml);
// test to make sure that InvalidOperationException is thrown.
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.AddAttribute("test4", "test", "test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Write("test", "test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Write("test2", "test", "test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Write("test3", "test31", new string[] { "test1", "test2", "test3" }));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Read("test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Read("test2", "test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Read("test3", "test31", null));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Delete("test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.Delete("test2", "test"));
Assert.ThrowsAny <InvalidOperationException>(() => xmlObj.ReopenFile());
xmlObj = new XmlObject(testXmlNoRoot);
// reopen data from a file.
var fstrm = File.Create(
$"{Environment.CurrentDirectory}{Path.DirectorySeparatorChar}test.xml");
fstrm.Write(Encoding.UTF8.GetBytes(testXml), 0, testXml.Length);
fstrm.Dispose();
xmlObj = new XmlObject(
$"{Environment.CurrentDirectory}{Path.DirectorySeparatorChar}test.xml",
testXml);
NoThrows(() => xmlObj.AddAttribute("test4", "test", "test"));
NoThrows(() => xmlObj.Write("test", "test"));
NoThrows(() => xmlObj.Write("test2", "test", "test"));
NoThrows(() => xmlObj.Write("test3", "test", new string[] { "test1", "test2", "test3" }));
NoThrows(() => xmlObj.Read("test"));
NoThrows(() => xmlObj.Read("test2", "test"));
NoThrows(() => xmlObj.Read("test3", "test", null));
NoThrows(() => xmlObj.Read("test4"));
NoThrows(() => xmlObj.ReopenFile());
NoThrows(() => xmlObj.Write("test", "testnew"));
NoThrows(() => xmlObj.Read("test"));
NoThrows(() => xmlObj.Read("test2", "test"));
NoThrows(() => xmlObj.Read("test3", "test", null));
NoThrows(() => xmlObj.Delete("test"));
Assert.ThrowsAny <ArgumentException>(() => xmlObj.Delete("test2", "test"));
NoThrows(() => xmlObj.Save());
File.Delete(
$"{Environment.CurrentDirectory}{Path.DirectorySeparatorChar}test.xml");
xmlObj = new XmlObject($"{Path.DirectorySeparatorChar}test.xml", testXml, true);
xmlObj = new XmlObject($"{Path.DirectorySeparatorChar}test.xml", testXml, true);
xmlObj = new XmlObject($"{Environment.CurrentDirectory}{Path.DirectorySeparatorChar}test.xml", testXml, true);
}