public void Thousands_Return_2_Groups()
{
var res = ChequeWriterUtil.GetGroups("43210");
Assert.Equal(2, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("43", res[1]);
}
public void Millions_Return_3_Groups()
{
var res = ChequeWriterUtil.GetGroups("76543210");
Assert.Equal(3, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("543", res[1]);
Assert.Equal("76", res[2]);
}
public void Billions_Return_4_Groups()
{
var res = ChequeWriterUtil.GetGroups("9876543210");
Assert.Equal(4, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("543", res[1]);
Assert.Equal("876", res[2]);
Assert.Equal("9", res[3]);
}
public void Hundreds_Return_1_Group()
{
var res = ChequeWriterUtil.GetGroups("123");
Assert.Single(res);
}
