var buf strings.Builder
	w := NewWriter(bufio.NewWriter(&buf))
	d := w.DotWriter()
	n, err := d.Write([]byte("abc\n.def\n..ghi\n.jkl\n."))
	if n != 21 || err != nil {
		t.Fatalf("Write: %d, %s", n, err)
	}
	d.Close()
	want := "abc\r\n..def\r\n...ghi\r\n..jkl\r\n..\r\n.\r\n"
	if s := buf.String(); s != want {
		t.Fatalf("wrote %q", s)
	}
}

func TestDotWriterCloseEmptyWrite(t *testing.T) {
	var buf strings.Builder

 */
public abstract class IoActions {

    /**
     * Gives a writer for the given file/encoding to the given write action, managing the streams.
     *
     * @param output The file to write to
     * @param encoding The character encoding to write with
     * @param action The action to write the actual content
     */

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Make sure dead write barriers are handled correctly.

package main

func f(p **int) {
	// The trick here is to eliminate the block containing the write barrier,
	// but only after the write barrier branches are inserted.
	// This requires some delicate code.
	i := 0
	var b []bool
	var s string
	for true {

    override fun writeObjectOverride(obj: Any?) = record {
        write(obj)
    }

    override fun write(`val`: Int) = record {
        outputStream.write(`val`)
    }

    override fun write(buf: ByteArray) = record {
        outputStream.write(buf)
    }

    override fun write(buf: ByteArray, off: Int, len: Int) = record {
        outputStream.write(buf, off, len)
    }

// across "api_label" is not expected to equal the ".../write/count" cell value
// because programs can invoke more than one API to save a single SM and
// because the API may error out before successfully writing a SM.
auto* saved_model_write_api = monitoring::Counter<1>::New(
    "/tensorflow/core/saved_model/write/api",
    "The API used to write the SavedModel.", "api_label");

//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)
//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
//sys	read(fd int, p []byte) (n int, err error)
//sys	Readlink(path string, buf []byte) (n int, err error)
//sys	Rename(from string, to string) (err error)

        write(value.value)
    }

    override suspend fun ReadContext.decode(): IsolatedEnumValueSnapshot {
        val value = read() as Enum<*>
        return IsolatedEnumValueSnapshot(value)
    }
}


object IsolatedSetCodec : Codec<IsolatedSet> {
    override suspend fun WriteContext.encode(value: IsolatedSet) {
        write(value.elements)
    }

    private void addServiceCreationMethod(Writer writer, TypeElement service) throws IOException {
        Name qualifiedName = service.getQualifiedName();
        Name simpleName = service.getSimpleName();
        writer.write("  public " + qualifiedName + " create" + simpleName + "() {");
        writer.write("      return new " + service.getQualifiedName() + "();");
        writer.write("  }");
    }

//go:noinline
func d3() {
	x.f = y // ERROR "write barrier prohibited by caller"
	d4()
}

//go:yeswritebarrierrec
func d4() {
	d2()
}

//go:noinline
func systemstack(func()) {}

//go:nowritebarrierrec
func e1() {
	systemstack(e2)
	systemstack(func() {
		x.f = y // ERROR "write barrier prohibited by caller"
	})
}

func e2() {
	x.f = y // ERROR "write barrier prohibited by caller"

	}

	// verify that a read from a Write channel doesn't block
	data = make([]byte, 1024)
	if n, err := conn.channels[4].Read(data); n != 0 || err != io.EOF {
		t.Errorf("reads should be ignored")
	}

	// verify that a client write to a Write channel doesn't block (is dropped)
	if n, err := client.Write(append([]byte{4}, []byte("ignored")...)); err != nil || n != 8 {
		t.Fatalf("%d: %v", n, err)
	}