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// file : tests/base64/driver.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <cassert>
#ifndef __cpp_lib_modules
#include <string>
#include <vector>
#include <sstream>
#endif
// Other includes.
#ifdef __cpp_modules
#ifdef __cpp_lib_modules
import std.core;
import std.io;
#endif
import butl.base64;
#else
#include <libbutl/base64.mxx>
#endif
using namespace std;
using namespace butl;
static bool
encode (const string& i, const string& o)
{
// Test encoding.
//
istringstream is (i);
string s (base64_encode (is));
bool r (s == o && is.eof ());
if (r)
{
is.seekg (0);
// VC15 seekg() doesn't clear eofbit.
//
#if defined(_MSC_VER) && _MSC_VER < 1920
is.clear ();
#endif
ostringstream os;
base64_encode (os, is);
r = os.str () == o && is.eof ();
}
if (r)
r = base64_encode (vector<char> (i.begin (), i.end ())) == o;
// Test decoding.
//
if (r)
{
istringstream is (o);
ostringstream os;
base64_decode (os, is);
r = os.str () == i;
}
if (r)
{
ostringstream os;
base64_decode (os, o);
r = os.str () == i;
}
if (r)
{
vector<char> v (base64_decode (o));
r = string (v.begin (), v.end ()) == i;
}
return r;
}
int
main ()
{
assert (encode ("", ""));
assert (encode ("B", "Qg=="));
assert (encode ("BX", "Qlg="));
assert (encode ("BXz", "Qlh6"));
assert (encode ("BXzS", "Qlh6Uw=="));
assert (encode ("BXzS@", "Qlh6U0A="));
assert (encode ("BXzS@#", "Qlh6U0Aj"));
assert (encode ("BXzS@#/", "Qlh6U0AjLw=="));
const char* s (R"delim(
class fdstream_base
{
protected:
fdstream_base () = default;
fdstream_base (int fd): buf_ (fd) {}
protected:
fdbuf buf_;
};
class ifdstream: fdstream_base, public std::istream
{
public:
ifdstream (): std::istream (&buf_) {}
ifdstream (int fd): fdstream_base (fd), std::istream (&buf_) {}
void close () {buf_.close ();}
void open (int fd) {buf_.open (fd);}
bool is_open () const {return buf_.is_open ();}
};
)delim");
const char* r (R"delim(
CmNsYXNzIGZkc3RyZWFtX2Jhc2UKewpwcm90ZWN0ZWQ6CiAgZmRzdHJlYW1fYmFzZSAoKSA9IGRl
ZmF1bHQ7CiAgZmRzdHJlYW1fYmFzZSAoaW50IGZkKTogYnVmXyAoZmQpIHt9Cgpwcm90ZWN0ZWQ6
CiAgZmRidWYgYnVmXzsKfTsKCmNsYXNzIGlmZHN0cmVhbTogZmRzdHJlYW1fYmFzZSwgcHVibGlj
IHN0ZDo6aXN0cmVhbQp7CnB1YmxpYzoKICBpZmRzdHJlYW0gKCk6IHN0ZDo6aXN0cmVhbSAoJmJ1
Zl8pIHt9CiAgaWZkc3RyZWFtIChpbnQgZmQpOiBmZHN0cmVhbV9iYXNlIChmZCksIHN0ZDo6aXN0
cmVhbSAoJmJ1Zl8pIHt9CgogIHZvaWQgY2xvc2UgKCkge2J1Zl8uY2xvc2UgKCk7fQogIHZvaWQg
b3BlbiAoaW50IGZkKSB7YnVmXy5vcGVuIChmZCk7fQogIGJvb2wgaXNfb3BlbiAoKSBjb25zdCB7
cmV0dXJuIGJ1Zl8uaXNfb3BlbiAoKTt9Cn07Cg==)delim");
assert (encode (s, r + 1));
}
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