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#include <qpdf/ClosedFileInputSource.hh>
#include <qpdf/FileInputSource.hh>
#include <cstdio>
#include <iostream>
void
check(std::string const& what, bool result)
{
if (!result) {
std::cout << "FAIL: " << what << std::endl;
}
}
void
do_tests(InputSource* is)
{
check("get name", "input" == is->getName());
check("initial tell", 0 == is->tell());
is->seek(11, SEEK_SET);
check("tell after SEEK_SET", 11 == is->tell());
check("read offset 11", "Offset 11" == is->readLine(100));
check("last offset after read 11", 11 == is->getLastOffset());
check("tell after read", 21 == is->tell());
is->findAndSkipNextEOL();
check("tell after findAndSkipNextEOL", 522 == is->tell());
char b[1];
b[0] = '\0';
#ifdef _WIN32
// Empirical evidence, and the passage of the rest of the qpdf
// test suite, suggest that this is working on Windows in the way
// that it needs to work. If this ifdef is made to be true on
// Windows, it passes with ClosedFileInputSource but not with
// FileInputSource, which doesn't make any sense since
// ClosedFileInputSource is calling FileInputSource to do its
// work.
is->seek(521, SEEK_SET);
is->read(b, 1);
#else
is->unreadCh('\n');
check("read unread character", 1 == is->read(b, 1));
check("got character", '\n' == b[0]);
#endif
check("last offset after read unread", 521 == is->getLastOffset());
is->seek(0, SEEK_END);
check("tell at end", 556 == is->tell());
is->seek(-25, SEEK_END);
check("tell before end", 531 == is->tell());
check("last offset unchanged after seek", 521 == is->getLastOffset());
is->seek(-9, SEEK_CUR);
check("tell after SEEK_CUR", 522 == is->tell());
check("read offset 522", "9 before" == is->readLine(100));
check("last offset after read", 522 == is->getLastOffset());
is->rewind();
check("last offset unchanged after rewind", 522 == is->getLastOffset());
check("tell after rewind", 0 == is->tell());
check("read offset at beginning", "!00000000?" == is->readLine(100));
check("last offset after read 0", 0 == is->getLastOffset());
}
int
main()
{
// This test is designed to work with a specified input file.
std::cout << "testing with ClosedFileInputSource\n";
ClosedFileInputSource cf("input");
do_tests(&cf);
std::cout << "testing with ClosedFileInputSource in stay open mode\n";
ClosedFileInputSource cf2("input");
cf2.stayOpen(true);
do_tests(&cf2);
cf2.stayOpen(false);
std::cout << "testing with FileInputSource\n";
FileInputSource f("input");
do_tests(&f);
std::cout << "all assertions passed" << std::endl;
return 0;
}
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