func TestMoneyAbs(t *testing.T) { v1 := int64(7839) v2 := float64(38261748.09) m1 := money.Money{M: -v1} m2 := money.Money{} m2.Updatef(-v2) m1abs := m1.Abs() m2abs := m2.Abs() m1pos := money.Money{M: v1} m2pos := money.Money{} m2pos.Updatef(v2) if m1abs.Valuei() != m1pos.Valuei() { t.Error("expected '7839' got: ", m1abs.Valuei()) } if m2abs.Valuei() != m2pos.Valuei() { t.Error("expected '3826174809' got: ", m2abs.Valuei()) } if m1.Abs().Valuei() != m1pos.Valuei() { t.Error("expected '7839' got: ", m1.Abs().Valuei()) } if m2.Abs().Valuei() != m2pos.Valuei() { t.Error("expected '3826174809' got:", m2.Abs().Valuei()) } //verify original values are still negative if m1.Valuei() != -m1pos.Valuei() { t.Error("expected '-7839' got: ", m1.Valuei()) } if m2.Valuei() != -m2pos.Valuei() { t.Error("expected '-3826174809' got: ", m2.Valuei()) } }