SmbPipeInputStream in2 = handle.getInput();
        SmbPipeOutputStream out1 = handle.getOutput();
        SmbPipeOutputStream out2 = handle.getOutput();

        // Assert: same instances are returned subsequently
        assertSame(in1, in2, "Input stream should be cached");
        assertSame(out1, out2, "Output stream should be cached");

        // Close and verify subsequent calls throw

    peer.play()

    // Play it back.
    val connection = connect(peer)
    val stream1 = connection.newStream(headerEntries("a", "apple"), true)
    val out1 = stream1.sink.buffer()
    out1.write(ByteArray(Settings.DEFAULT_INITIAL_WINDOW_SIZE))
    out1.flush()

    // Check that we've filled the window for both the stream and also the connection.
    assertThat(connection.writeBytesTotal)

		result[i] = string(v)
	}
	return result
}

func collect(t *testing.T, seq iter.Seq[[]byte]) [][]byte {
	out := slices.Collect(seq)
	out1 := slices.Collect(seq)
	if !slices.Equal(sliceOfString(out), sliceOfString(out1)) {
		t.Fatalf("inconsistent seq:\n%s\n%s", out, out1)
	}
	return out
}

type LinesTest struct {
	a string
	b []string
}

var linesTests = []LinesTest{