package ipp

import (
	"bytes"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestUnMarshalSinglePositiveInteger(T *testing.T) {
	testdata := []byte{
		0x00, 0x04,
		0x66, 0x6c, 0x6f, 0x70, //flop
		0x00, 0x04,
		0x00, 0x0, 0x0, 0x4,
	}

	buf := bytes.NewBuffer(testdata)

	n, v := unmarshalSingleInteger(buf)
	assert.Equal(T, "flop", n, "Should be equal")
	assert.Equal(T, int32(4), v, "Should be equal")
}

func TestUnMarshalSingleNegativeInteger(T *testing.T) {
	testdata := []byte{
		0x00, 0x04,
		0x66, 0x6c, 0x6f, 0x70, //flop
		0x00, 0x04,
		0xff, 0xff, 0xff, 0xfc,
	}

	buf := bytes.NewBuffer(testdata)

	n, v := unmarshalSingleInteger(buf)
	assert.Equal(T, "flop", n, "Should be equal")
	assert.Equal(T, int32(-4), v, "Should be equal")
}