CODEWITHSUNDEEP
c++unit-testingboost
Mhh Lecker
Mhh Lecker

Reputation: 994

How to compare files with Boost.Test?

I've two files that I need to compare. I would use something like this

BOOST_REQUIRE_EQUAL(filename1, filename2);

Upvotes: 12

Views: 4615

Answers (3)

zzk
zzk

Reputation: 1387

I would compare the hashes of the two files. Examples of using openssl library to calculate hashes are plenty.

Upvotes: 0

Grigorii Chudnov
Grigorii Chudnov

Reputation: 3112

You can use BOOST_CHECK_EQUAL_COLLECTIONS to compare file contents.

Code sample:

#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>

#include <fstream>
#include <iterator>

BOOST_AUTO_TEST_CASE( test )
{
    std::ifstream ifs1("data1.txt");
    std::ifstream ifs2("data2.txt");

    std::istream_iterator<char> b1(ifs1), e1;
    std::istream_iterator<char> b2(ifs2), e2;

    BOOST_CHECK_EQUAL_COLLECTIONS(b1, e1, b2, e2);
}

Upvotes: 13

ForEveR
ForEveR

Reputation: 55887

Files? Read both and compare contents.

Upvotes: 2

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