Function verify_file

test/operations_test.cpp:189–198

}

void verify_file(const fs::path& ph, const std::string& expected)
{
    std::ifstream f(BOOST_FILESYSTEM_C_STR(ph));
    if (!f)
        throw fs::filesystem_error("operations_test verify_file", ph, error_code(errno, system_category()));
    std::string contents;
    f >> contents;
    if (contents != expected)
        throw fs::filesystem_error("operations_test verify_file contents \"" + contents + "\" != \"" + expected + "\"", ph, error_code());
}

template< typename F >
bool throws_fs_error(F func, errno_t en, int line)