checkOnCurve(t, B)
}

func TestAddSubNegOnBasePoint(t *testing.T) {
	checkLhs, checkRhs := &Point{}, &Point{}

	checkLhs.Add(B, B)
	tmpP2 := new(projP2).FromP3(B)
	tmpP1xP1 := new(projP1xP1).Double(tmpP2)
	checkRhs.fromP1xP1(tmpP1xP1)
	if checkLhs.Equal(checkRhs) != 1 {
		t.Error("B + B != [2]B")
	}
	checkOnCurve(t, checkLhs, checkRhs)

	checkLhs.Subtract(B, B)
	Bneg := new(Point).Negate(B)
	checkRhs.Add(B, Bneg)