public void SetAndMaintainCount()
{
var rd = new RouletteDictionary <string, int>(1000, StringComparer.Ordinal);
for (int i = 0; i < 10; i++)
{
rd[i.ToString()] = i;
}
rd.SetAndMaintainCount("foo", 42);
Assert.Equal(10, rd.Count);
Assert.True(rd.ContainsKey("foo"));
}