mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2025-02-02 14:46:28 -05:00
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package d2datautils
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
var testData = []byte{33, 23, 4, 33, 192, 243} //nolint:gochecknoglobals // just a test
|
|
|
|
func TestBitmuncherCopy(t *testing.T) {
|
|
bm1 := CreateBitMuncher(testData, 0)
|
|
bm2 := CopyBitMuncher(bm1)
|
|
|
|
for i := range bm1.data {
|
|
assert.Equal(t, bm1.data[i], bm2.data[i], "original bitmuncher isn't equal to copied")
|
|
}
|
|
}
|
|
|
|
func TestBitmuncherSetOffset(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
bm.SetOffset(5)
|
|
|
|
assert.Equal(t, bm.Offset(), 5, "Set Offset method didn't set offset to expected number")
|
|
}
|
|
|
|
func TestBitmuncherSteBitsRead(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
bm.SetBitsRead(8)
|
|
|
|
assert.Equal(t, bm.BitsRead(), 8, "Set bits read method didn't set bits read to expected value")
|
|
}
|
|
|
|
func TestBitmuncherReadBit(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
var result byte
|
|
|
|
for i := 0; i < bitsPerByte; i++ {
|
|
v := bm.GetBit()
|
|
result |= byte(v) << byte(i)
|
|
}
|
|
|
|
assert.Equal(t, result, testData[0], "result of rpeated 8 times get bit didn't return expected byte")
|
|
}
|
|
|
|
func TestBitmuncherGetBits(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
assert.Equal(t, byte(bm.GetBits(bitsPerByte)), testData[0], "get bits didn't return expected value")
|
|
}
|
|
|
|
func TestBitmuncherGetNoBits(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
assert.Equal(t, bm.GetBits(0), uint32(0), "get bits didn't return expected value: 0")
|
|
}
|
|
|
|
func TestBitmuncherGetSignedBits(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
assert.Equal(t, bm.GetSignedBits(6), -31, "get signed bits didn't return expected value")
|
|
}
|
|
|
|
func TestBitmuncherGetNoSignedBits(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
assert.Equal(t, bm.GetSignedBits(0), 0, "get signed bits didn't return expected value")
|
|
}
|
|
|
|
func TestBitmuncherGetOneSignedBit(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
assert.Equal(t, bm.GetSignedBits(1), -1, "get signed bits didn't return expected value")
|
|
}
|
|
|
|
func TestBitmuncherSkipBits(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
bm.SkipBits(bitsPerByte)
|
|
|
|
assert.Equal(t, bm.GetByte(), testData[1], "skipping 8 bits didn't moved bit muncher's position into next byte")
|
|
}
|
|
|
|
func TestBitmuncherGetInt32(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
var testInt int32
|
|
|
|
for i := 0; i < bytesPerint32; i++ {
|
|
testInt |= int32(testData[i]) << int32(bitsPerByte*i)
|
|
}
|
|
|
|
assert.Equal(t, bm.GetInt32(), testInt, "int32 value wasn't returned properly")
|
|
}
|
|
|
|
func TestBitmuncherGetUint32(t *testing.T) {
|
|
bm := CreateBitMuncher(testData, 0)
|
|
|
|
var testUint uint32
|
|
|
|
for i := 0; i < bytesPerint32; i++ {
|
|
testUint |= uint32(testData[i]) << uint32(bitsPerByte*i)
|
|
}
|
|
|
|
assert.Equal(t, bm.GetUInt32(), testUint, "uint32 value wasn't returned properly")
|
|
}
|