if xx.Cmp(x) != 0 || yy.Cmp(y) != 0 {
			t.Fatal("unmarshal returned different values")
		}
	})
}

func TestUnmarshalToLargeCoordinates(t *testing.T) {
	t.Parallel()
	// See https://golang.org/issues/20482.
	testAllCurves(t, testUnmarshalToLargeCoordinates)
}

func testUnmarshalToLargeCoordinates(t *testing.T, curve Curve) {
	p := curve.Params().P
	byteLen := (p.BitLen() + 7) / 8