public void TestIdentifier()
{
Assert.True(NamingHelper.IsIdentifier("_"));
Assert.True(NamingHelper.IsIdentifier("a"));
Assert.True(NamingHelper.IsIdentifier("aThisIsOk"));
Assert.True(NamingHelper.IsIdentifier("aThis_IsOk"));
Assert.True(NamingHelper.IsIdentifier("ThisIsOk"));
Assert.True(NamingHelper.IsIdentifier("T"));
Assert.True(NamingHelper.IsIdentifier("_a"));
Assert.True(NamingHelper.IsIdentifier("_aThisIsOk987"));
Assert.False(NamingHelper.IsIdentifier(""));
Assert.False(NamingHelper.IsIdentifier("9"));
Assert.False(NamingHelper.IsIdentifier("a "));
Assert.False(NamingHelper.IsIdentifier("a x"));
Assert.False(NamingHelper.IsIdentifier("9aaaaa"));
Assert.False(NamingHelper.IsIdentifier("9aa.aaa"));
Assert.False(NamingHelper.IsIdentifier("9aa.aaa"));
}