nunit/mbunit parameterized SetUp - nunit

Question

I'd like to provide parameterized data for the setup of a test. Something like this:
[TestCase("1", "2")
[TestCase("a", "b")
public class TestFixture
{
[SetUp]
public void SetUp(string x, string y)
{
Console.WriteLine("Setup with {0}, {1}", x, y);
}
[Test]
public void Test() {...}
}
But I can only manage to get parameters passed to the testcase itself.
I prefer solutions for either nunit or mbunit but open for alternatives (yet to settle on which test framework to use). This is ultimately for a set of Selenium system-tests where the setup creates a browser session.
[edit]
Using NUnit I can get this working:
[TestFixture("1", "2")]
[TestFixture("a", "b")]
public class Tests
{
private string _x;
private string _y;
public Tests(string x, string y)
{
_x = x;
_y = y;
}
[SetUp]
public void SetUp()
{
Console.WriteLine("Setup with {0}, {1}", _x, _y);
}
[Test]
public void Test()
{
}
}
[/edit]
That seems to suit my needs, but I'll leave the question open for a few days to see if alternatives are suggested.

Answer 1

Using NUnit I can get this working:
[TestFixture("1", "2")]
[TestFixture("a", "b")]
public class Tests
{
private string _x;
private string _y;
public Tests(string x, string y)
{
_x = x;
_y = y;
}
[SetUp]
public void SetUp()
{
Console.WriteLine("Setup with {0}, {1}", _x, _y);
}
[Test]
public void Test()
{
}
}