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#include <iostream>
#include <gtest/gtest.h>
#include "poslib.h"
using namespace std;
namespace test {
/// @brief convert hex string (from wireshark export) to binary format
///
/// @param hex
/// @param dst
void hexToBin(const std::string& hex, message_buff &dst) {
size_t len = hex.length()/2;
// keep this C-style, as message_buff desctructor does free()
unsigned char * bin = (unsigned char*)malloc(len);
for (unsigned int i = 0; i < 2*len; i+=2) {
if (!isxdigit(hex[i]) || !isxdigit(hex[i+1])) {
throw ("Invalid character ");
}
bin[i/2] = (hex[i]-'0')*(isdigit(hex[i])>0)
+ (tolower(hex[i])-'a' + 10)*(isalpha(hex[i])>0);
bin[i/2] <<= 4;
bin[i/2] += (hex[i+1]-'0')*(isdigit(hex[i+1])>0)
+ (tolower(hex[i+1])-'a' + 10)*(isalpha(hex[i+1])>0);
}
dst.msg = bin;
dst.len = len;
dst.is_static = false;
}
/// @brief compares two buffers
///
/// @param a
/// @param b
///
/// @return true if buffers contain the same data, false otherwise
bool cmpBuffers(const message_buff& a, const message_buff&b) {
if (a.len != b.len)
return false;
if (!memcmp(a.msg, b.msg, a.len))
return true;
// ok, it differs. Let's compare them
cout << hex;
for (int i = 0; i < a.len; i++) {
if (a.msg[i] != b.msg[i]) {
cout << "Offset 0x" << i << " differs: " << int(a.msg[i])
<< " vs " << int(b.msg[i]) << endl;
}
}
cout << dec;
return false;
}
}
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