package order

import (
	"testing"
)

// TestReExports verifies that the order package's type aliases and
// forwarders to pkg/cart compile and work correctly.
func TestReExports(t *testing.T) {
	// Type alias: TaxProvider = cart.TaxProvider
	var _ TaxProvider = NewNordicTaxProvider("SE")
	var _ TaxProvider = NewStaticTaxProvider()

	// NordicTaxProvider
	p := NewNordicTaxProvider("SE")
	if p.Name() != "nordic" {
		t.Errorf("Name = %q", p.Name())
	}
	if got := p.DefaultTaxRate("SE"); got != 25 {
		t.Errorf("DefaultTaxRate(SE) = %d, want 25", got)
	}
	if got := ComputeTax(1250, 25); got != 250 {
		t.Errorf("ComputeTax(1250, 25) = %d, want 250", got)
	}

	// StaticTaxProvider
	s := NewStaticTaxProvider()
	if s.Name() != "static" {
		t.Errorf("Name = %q", s.Name())
	}
	if got := s.DefaultTaxRate("SE"); got != 0 {
		t.Errorf("DefaultTaxRate(SE) = %d, want 0", got)
	}
}