Added convertation to string to BitArray

QRCodeLibrary/BitArray.cpp

@@ -1,11 +1,24 @@
 #include "pch.h"
+
+#include <sstream>
+
 #include "BitArray.hpp"
 
-bool BitArray::get(unsigned index)
+bool BitArray::get(unsigned index) const
 {
     return (v[index / 8] >> (8 - 1 - index % 8)) & 1;
 }
 
+BitArray::operator std::string() const 
+{
+	std::stringstream res;
+
+	for (unsigned i = 0; i < size; i++)
+		res << static_cast<int>((*this).get(i));
+
+	return res.str();
+}
+
 void BitArray::set(unsigned index, bool val)
 {
 	if (val)

QRCodeLibrary/BitArray.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <vector>
+#include <string>
 
 using namespace std;
 
@@ -13,10 +14,12 @@ class BitArray
 public:
 	BitArray(unsigned size_ = 0) : size{ size_ }, v(ceil_div(size_, 8)) {};
 
+	operator std::string() const;
+	
 	unsigned size;
 	vector<unsigned char> v;
 
-	bool get(unsigned index);
+	bool get(unsigned index) const;
 	void set(unsigned index, bool val);
 	unsigned set(unsigned index, int32_t val, unsigned size);
 };

tests/BitArray_test.cpp

@@ -24,6 +24,10 @@ TEST_F(BitArrayTests, GetsBitByIndex) {
 	EXPECT_EQ(a1.get(1), 0);
 }
 
+TEST_F(BitArrayTests, Converts_to_string) {
+	EXPECT_EQ(std::string(a1), "101010101111111");
+}
+
 TEST_F(BitArrayTests, SetsIndividualBit) {
 	a1.set(0, 0);
 	a1.set(1, 1);