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https://github.com/OpenDiablo2/OpenDiablo2
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Adds 100% test coverage for BitMuncher
This commit is contained in:
parent
536233ffee
commit
bfa9c34ecc
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@ -1,17 +1,11 @@
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package d2datautils
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import (
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"testing"
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)
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import "testing"
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func getTestData() []byte {
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result := []byte{33, 23, 4, 33, 192, 243}
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return result
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}
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var testData = []byte{33, 23, 4, 33, 192, 243}
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func TestBitmuncherCopy(t *testing.T) {
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bm1 := CreateBitMuncher(getTestData(), 0)
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bm1 := CreateBitMuncher(testData, 0)
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bm2 := CopyBitMuncher(bm1)
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for i := range bm1.data {
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@ -22,7 +16,7 @@ func TestBitmuncherCopy(t *testing.T) {
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}
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func TestBitmuncherSetOffset(t *testing.T) {
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bm := CreateBitMuncher(getTestData(), 0)
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bm := CreateBitMuncher(testData, 0)
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bm.SetOffset(5)
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if bm.Offset() != 5 {
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@ -31,7 +25,7 @@ func TestBitmuncherSetOffset(t *testing.T) {
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}
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func TestBitmuncherSteBitsRead(t *testing.T) {
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bm := CreateBitMuncher(getTestData(), 0)
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bm := CreateBitMuncher(testData, 0)
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bm.SetBitsRead(8)
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if bm.BitsRead() != 8 {
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@ -40,8 +34,7 @@ func TestBitmuncherSteBitsRead(t *testing.T) {
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}
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func TestBitmuncherReadBit(t *testing.T) {
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td := getTestData()
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bm := CreateBitMuncher(td, 0)
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bm := CreateBitMuncher(testData, 0)
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var result byte
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@ -50,46 +43,91 @@ func TestBitmuncherReadBit(t *testing.T) {
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result |= byte(v) << byte(i)
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}
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if result != td[0] {
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if result != testData[0] {
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t.Fatal("result of rpeated 8 times get bit didn't return expected byte")
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}
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}
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func TestBitmuncherGetBits(t *testing.T) {
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td := getTestData()
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bm := CreateBitMuncher(td, 0)
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bm := CreateBitMuncher(testData, 0)
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res := bm.GetBits(bitsPerByte)
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if byte(res) != td[0] {
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if byte(bm.GetBits(bitsPerByte)) != testData[0] {
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t.Fatal("get bits didn't return expected value")
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}
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}
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func TestBitmuncherGetNoBits(t *testing.T) {
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bm := CreateBitMuncher(testData, 0)
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if bm.GetBits(0) != 0 {
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t.Fatal("get bits didn't return expected value: 0")
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}
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}
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func TestBitmuncherGetSignedBits(t *testing.T) {
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bm := CreateBitMuncher(testData, 0)
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result := bm.GetSignedBits(6)
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expected := -31
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if result != expected {
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t.Fatal("get signed bits didn't return expected value", result, expected)
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}
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}
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func TestBitmuncherGetNoSignedBits(t *testing.T) {
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bm := CreateBitMuncher(testData, 0)
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result := bm.GetSignedBits(0)
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expected := 0
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if result != expected {
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t.Fatal("get signed bits didn't return expected value", result, expected)
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}
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}
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func TestBitmuncherGetOneSignedBit(t *testing.T) {
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bm := CreateBitMuncher(testData, 0)
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result := bm.GetSignedBits(1)
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expected := -1
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if result != expected {
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t.Fatal("get signed bits didn't return expected value", result, expected)
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}
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}
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func TestBitmuncherSkipBits(t *testing.T) {
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td := getTestData()
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bm := CreateBitMuncher(td, 0)
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bm := CreateBitMuncher(testData, 0)
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bm.SkipBits(bitsPerByte)
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if bm.GetByte() != td[1] {
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if bm.GetByte() != testData[1] {
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t.Fatal("skipping 8 bits didn't moved bit muncher's position into next byte")
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}
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}
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func TestBitmuncherGetInt32(t *testing.T) {
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td := getTestData()
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bm := CreateBitMuncher(td, 0)
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bm := CreateBitMuncher(testData, 0)
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var testInt int32
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for i := 0; i < bytesPerint32; i++ {
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testInt |= int32(td[i]) << int32(bitsPerByte*i)
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testInt |= int32(testData[i]) << int32(bitsPerByte*i)
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}
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bmInt := bm.GetInt32()
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if bmInt != testInt {
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if bm.GetInt32() != testInt {
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t.Fatal("int32 value wasn't returned properly")
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}
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}
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func TestBitmuncherGetUint32(t *testing.T) {
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bm := CreateBitMuncher(testData, 0)
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var testUint uint32
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for i := 0; i < bytesPerint32; i++ {
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testUint |= uint32(testData[i]) << uint32(bitsPerByte*i)
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}
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if bm.GetUInt32() != testUint {
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t.Fatal("uint32 value wasn't returned properly")
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}
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}
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