fix readstring unicode reading

bitreader.go

@@ -368,18 +368,18 @@ func (reader *Reader) ReadBytes(bytes uint64) (uint64, error) {
 //
 // Returns an error if there are no remaining bits.
 func (reader *Reader) ReadString() (string, error) {
-	var out string
+	var out []byte
 	for {
 		value, err := reader.ReadBytes(1)
 		if err != nil {
-			return out, err
+			return string(out), err
 		}
 		if value == 0 {
 			break
 		}
-		out += string(rune(value))
+		out = append(out, byte(value))
 	}
-	return out, nil
+	return string(out), nil
 }
 
 // ReadStringLength is a function that reads every byte
@@ -389,20 +389,20 @@ func (reader *Reader) ReadString() (string, error) {
 //
 // Returns an error if there are no remaining bits.
 func (reader *Reader) ReadStringLength(length uint64) (string, error) {
-	var out string
+	var out []byte
 	var i uint64
 	for i = 0; i < length; i++ {
 		value, err := reader.ReadBytes(1)
 		if err != nil {
-			return out, err
+			return string(out), err
 		}
 		if value == 0 {
 			reader.SkipBytes(length - 1 - i)
 			break
 		}
-		out += string(rune(value))
+		out = append(out, byte(value))
 	}
-	return out, nil
+	return string(out), nil
 }
 
 // ReadBitsToSlice is a function that reads the specified amount of bits

bitreader_test.go

@@ -1,5 +1,5 @@
 // BitReader is a simple bit reader with big/little-endian support for golang.
-// %83.2 coerage
+// %83.6 coerage
 package bitreader
 
 import (
@@ -616,7 +616,7 @@ func TestReader_TryReadFloat64(t *testing.T) {
 
 func TestReader_TryReadBits(t *testing.T) {
 	type args struct {
-		bits int
+		bits uint64
 	}
 	tests := []struct {
 		name   string
@@ -662,7 +662,7 @@ func TestReader_TryReadBits(t *testing.T) {
 
 func TestReader_TryReadBytes(t *testing.T) {
 	type args struct {
-		bytes int
+		bytes uint64
 	}
 	tests := []struct {
 		name   string
@@ -744,7 +744,7 @@ func TestReader_TryReadString(t *testing.T) {
 
 func TestReader_TryReadStringLength(t *testing.T) {
 	type args struct {
-		length int
+		length uint64
 	}
 	tests := []struct {
 		name   string
@@ -803,7 +803,7 @@ func TestReader_TryReadStringLength(t *testing.T) {
 
 func TestReader_TryReadBitsToSlice(t *testing.T) {
 	type args struct {
-		bits int
+		bits uint64
 	}
 	tests := []struct {
 		name   string
@@ -875,7 +875,7 @@ func TestReader_TryReadBitsToSlice(t *testing.T) {
 
 func TestReader_TryReadBytesToSlice(t *testing.T) {
 	type args struct {
-		bytes int
+		bytes uint64
 	}
 	tests := []struct {
 		name   string
@@ -1012,7 +1012,7 @@ func TestReader_ReadBool(t *testing.T) {
 
 func TestReader_ReadBits(t *testing.T) {
 	type args struct {
-		bits int
+		bits uint64
 	}
 	tests := []struct {
 		name    string
@@ -1064,7 +1064,7 @@ func TestReader_ReadBits(t *testing.T) {
 
 func TestReader_ReadBytes(t *testing.T) {
 	type args struct {
-		bytes int
+		bytes uint64
 	}
 	tests := []struct {
 		name    string
@@ -1158,7 +1158,7 @@ func TestReader_ReadString(t *testing.T) {
 
 func TestReader_ReadStringLength(t *testing.T) {
 	type args struct {
-		length int
+		length uint64
 	}
 	tests := []struct {
 		name    string
@@ -1223,7 +1223,7 @@ func TestReader_ReadStringLength(t *testing.T) {
 
 func TestReader_ReadBitsToSlice(t *testing.T) {
 	type args struct {
-		bits int
+		bits uint64
 	}
 	tests := []struct {
 		name    string
@@ -1301,7 +1301,7 @@ func TestReader_ReadBitsToSlice(t *testing.T) {
 
 func TestReader_ReadBytesToSlice(t *testing.T) {
 	type args struct {
-		bytes int
+		bytes uint64
 	}
 	tests := []struct {
 		name    string