StacktraceKey:  "stack",
	LineEnding:     zapcore.DefaultLineEnding,
	EncodeLevel:    zapcore.LowercaseLevelEncoder,
	EncodeCaller:   zapcore.ShortCallerEncoder,
	EncodeDuration: zapcore.StringDurationEncoder,
	EncodeTime:     formatDate,
}

// functions that can be replaced in a test setting
type patchTable struct {
	write       func(ent zapcore.Entry, fields []zapcore.Field) error
	sync        func() error

	{1000, []byte{0x80, 0x00, 0x03, 0xE8}},
	{33554431, []byte{0x81, 0xFF, 0xFF, 0xFF}},
}

func TestSize(t *testing.T) {
	b := make([]byte, 4)
	for i, test := range sizeTests {
		n := encodeSize(b, test.size)
		if !bytes.Equal(b[:n], test.bytes) {
			t.Errorf("%d expected %x, encoded %x", i, test.bytes, b)
		}
		size, n := readSize(test.bytes)
		if size != test.size {