rb.flushF = f
}

// reset discards all characters from the buffer.
func (rb *reorderBuffer) reset() {
	rb.nrune = 0
	rb.nbyte = 0
}

func (rb *reorderBuffer) doFlush() bool {
	if rb.f.composing {
		rb.compose()
	}
	res := rb.flushF(rb)
	rb.reset()
	return res
}

// appendFlush appends the normalized segment to rb.out.
func appendFlush(rb *reorderBuffer) bool {

	}
	if rb.Length() != 8 {
		t.Fatalf("expect len 16 bytes but got %d. r.w=%d, r.r=%d", rb.Length(), rb.w, rb.r)
	}
	if rb.Free() != 56 {
		t.Fatalf("expect free 48 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
	}
	buf := make([]byte, 5)
	rb.Read(buf)
	if rb.Length() != 3 {
		t.Fatalf("expect len 3 bytes but got %d. r.w=%d, r.r=%d", rb.Length(), rb.w, rb.r)
	}

	return
}

func TestReadAtLeastWithDataAndEOF(t *testing.T) {
	var rb dataAndErrorBuffer
	rb.err = EOF
	testReadAtLeast(t, &rb)
}

func TestReadAtLeastWithDataAndError(t *testing.T) {
	var rb dataAndErrorBuffer
	rb.err = fmt.Errorf("fake error")
	testReadAtLeast(t, &rb)
}

func testReadAtLeast(t *testing.T, rb ReadWriter) {
	rb.Write([]byte("0123"))
	buf := make([]byte, 2)

	p := i.p + 1
	if p >= i.rb.nsrc {
		p0 := i.p
		i.setDone()
		return i.rb.src.bytes[p0:p]
	}
	if i.rb.src.bytes[p] < utf8.RuneSelf {
		p0 := i.p
		i.p = p
		return i.rb.src.bytes[p0:p]
	}
	i.info = i.rb.f.info(i.rb.src, i.p)
	i.next = i.rb.f.nextMain
	return i.next(i)
}

func nextASCIIString(i *Iter) []byte {
	p := i.p + 1
	if p >= i.rb.nsrc {
		i.buf[0] = i.rb.src.str[i.p]

		rb.doFlush()
		rb.out = append(rb.out, x...)
		return false
	}
	buf := rb.out[p:]
	rb.out = rb.out[:p]
	decomposeToLastBoundary(rb)
	if s := rb.ss.next(info); s == ssStarter {
		rb.doFlush()
		rb.ss.first(info)
	} else if s == ssOverflow {
		rb.doFlush()
		rb.insertCGJ()
		rb.ss = 0
	}
	rb.insertUnsafe(inputBytes(buf), 0, info)
	return true
}

    patha = tmp_path / "test.txt"
    pathb = tmp_path / "testb.txt"
    patha.write_text("<file content>")
    pathb.write_text("<file b content>")

    client = TestClient(app)
    with patha.open("rb") as filea, pathb.open("rb") as fileb:
        response = client.post(
            "/files/",
            data={"token": "foo"},
            files={"file": filea, "fileb": ("testb.txt", fileb, "text/plain")},
        )

		rB%29 == 0 || rB%31 == 0 || rB%41 == 0 || rB%43 == 0 || rB%47 == 0 || rB%53 == 0 {
		return false
	}

	return x.abs.probablyPrimeMillerRabin(n+1, true) && x.abs.probablyPrimeLucas()
}

// probablyPrimeMillerRabin reports whether n passes reps rounds of the
// Miller-Rabin primality test, using pseudo-randomly chosen bases.

    patha = tmp_path / "test.txt"
    pathb = tmp_path / "testb.txt"
    patha.write_text("<file content>")
    pathb.write_text("<file b content>")

    client = TestClient(app)
    with patha.open("rb") as filea, pathb.open("rb") as fileb:
        response = client.post(
            "/files/",
            data={"token": "foo"},
            files={"file": filea, "fileb": ("testb.txt", fileb, "text/plain")},
        )

    patha = tmp_path / "test.txt"
    pathb = tmp_path / "testb.txt"
    patha.write_text("<file content>")
    pathb.write_text("<file b content>")

    client = TestClient(app)
    with patha.open("rb") as filea, pathb.open("rb") as fileb:
        response = client.post(
            "/files/",
            data={"token": "foo"},
            files={"file": filea, "fileb": ("testb.txt", fileb, "text/plain")},
        )

#  ifdef GOPPC64_power9
#define P8_LXVB16X(RA,RB,VT)  LXVB16X	(RA+RB), VT
#define P8_STXVB16X(VS,RA,RB) STXVB16X	VS, (RA+RB)
#define XXBRD_ON_LE(VA,VT)    XXBRD	VA, VT
#  else
// On POWER8/ppc64le, emulate the POWER9 instructions by loading unaligned
// doublewords and byte-swapping each doubleword to emulate BE load/stores.
#define NEEDS_ESPERM
#define P8_LXVB16X(RA,RB,VT) \
	LXVD2X	(RA+RB), VT \
	VPERM	VT, VT, ESPERM, VT