package caesar

import "testing"

func TestCoder(t *testing.T) {
	coder := Coder{Key: 1, Ranges: []RuneRange{{'a', 'z'}}}
	t.Run("Encode", func(t *testing.T) {
		if coder.Encode("abc") != "bcd" {
			t.Fail()
		}
	})
	t.Run("Decode", func(t *testing.T) {
		if coder.Decode("bcd") != "abc" {
			t.Fail()
		}
	})
}