public void TestSimpleGroup2()
{
string dir = tmpdir;
writeFile(dir, "a.st", "foo");
writeFile(dir, "b.st", "$name$");
TemplateGroup group = new TemplateRawGroupDirectory(dir, '$', '$');
Template st = group.GetInstanceOf("a");
string expected = "foo";
string result = st.Render();
Assert.AreEqual(expected, result);
Template b = group.GetInstanceOf("b");
b.Add("name", "Bob");
Assert.AreEqual("Bob", b.Render());
}