package ledger

import (
	"testing"
)

func TestDelta(t *testing.T) {
	d := "2099-08-07"
	delta := newDelta(d, "", "name", 34.56, "$")

	if delta.Date != d {
		t.Error(delta.Date)
	}
	if delta.Name != "name" {
		t.Error(delta.Name)
	}
	if delta.Value != 34.56 {
		t.Error(delta.Value)
	}
	if delta.Currency != USD {
		t.Error(delta.Currency)
	}
	t.Log(delta)

	d2 := "2099-09-08"
	delta2 := newDelta(d2, "", "name", 11.11, "$")

	combined := delta.Plus(delta2)
	if combined.Date != d2 {
		t.Error(combined.Date)
	}
	if combined.Name != "name" {
		t.Error(combined.Name)
	}
	if combined.Value != 45.67 {
		t.Error(combined.Value)
	}
	if combined.Currency != USD {
		t.Error(combined.Currency)
	}
}