testReadFrom{fileOps{""}, 0, nil},
			testReadFrom{fileOps{"a"}, 0, ErrWriteTooLong},
			testRemaining{0, 0},
		},
	}, {
		maker: makeReg{5, "hello"},
		tests: []testFnc{
			testRemaining{5, 5},
			testWrite{"hello", 5, nil},
			testRemaining{0, 0},
		},
	}, {
		maker: makeReg{5, "\x00\x00\x00\x00\x00"},
		tests: []testFnc{
			testRemaining{5, 5},

func TestWriter(t *testing.T) {
	got := &bytes.Buffer{}
	w := NewStyleWriter(got)
	w.AddHeader("NAME", "NAMESPACE", "VERSION")
	w.SetAddRowFunc(func(obj interface{}) Row {
		o := obj.(testObject)
		return Row{
			Cells: []Cell{
				NewCell(o.name),
				NewCell(o.namespace, color.FgGreen),
				NewCell(o.version),
			},
		}
	})
	w.AddRow(newTestObject("foo", "bar", "1.0"))
	w.AddRow(newTestObject("baz", "qux", "2.0"))

		nonUTF8 bool
		flags   uint16
	}{
		{
			name:    "hi, hello",
			comment: "in the world",
			flags:   0x8,
		},
		{
			name:    "hi, こんにちわ",
			comment: "in the world",
			flags:   0x808,
		},
		{
			name:    "hi, こんにちわ",
			comment: "in the world",
			nonUTF8: true,
			flags:   0x8,
		},
		{
			name:    "hi, hello",
			comment: "in the 世界",
			flags:   0x808,
		},
		{