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45 changes: 20 additions & 25 deletions src/common/tests/StringTest.cpp
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#include "boost/test/unit_test.hpp"
#include "../common/classes/fb_string.h"

#include <filesystem>
#include <string_view>

using namespace Firebird;
Expand Down Expand Up @@ -478,35 +478,30 @@ BOOST_AUTO_TEST_CASE(SubstrTest)

BOOST_AUTO_TEST_CASE(LoadFromFileTest)
{
// Find the path of the file 'test.txt' to read from
// The file in the same directory

string path = __FILE__;
FB_SIZE_T pos = path.rfind('/');
if (pos == string::npos)
{
pos = path.rfind('\\');
if (pos == string::npos)
{
pos = 0;
}
else
++pos;
}
else
++pos;

path.resize(pos);
path += "test.txt";
namespace fs = std::filesystem;
auto tempFilePath = fs::temp_directory_path() / "test.txt";
const char* filename = tempFilePath.string().data();
FILE *x = fopen(tempFilePath.string().data(), "w+");

std::string_view line1 = "char lbl[] = \"0123456789\";";
std::string_view line2 = ""; // LoadFormFile read from '\n'
std::string_view line3 = "//#define CHECK_FATAL_RANGE_EXCEPTION";

fwrite(line1.data(), 1, line1.length(), x);
fwrite("\n", 1, 1, x);
fwrite(line2.data(), 1, line2.length(), x);
fwrite("\n", 1, 1, x);
fwrite(line3.data(), 1, line3.length(), x);
fclose(x);

x = fopen(filename, "r");
string b;
FILE *x = fopen(path.data(), "rt");
b.LoadFromFile(x);
validate(b, "char lbl[] = \"0123456789\";");
validate(b, line1);
b.LoadFromFile(x);
validate(b, "");
validate(b, line2);
b.LoadFromFile(x);
validate(b, "//#define CHECK_FATAL_RANGE_EXCEPTION");
validate(b, line3);
fclose(x);
}

Expand Down