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author | Jay Berkenbilt <ejb@ql.org> | 2018-06-22 18:15:22 +0200 |
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committer | Jay Berkenbilt <ejb@ql.org> | 2018-06-22 18:52:45 +0200 |
commit | 4ccc8b1a44109a913c87f31029c9c17db30ecc43 (patch) | |
tree | fb2259c3507896c252037aca9b14e2d93acb2259 /libtests/closed_file_input_source.cc | |
parent | 32ddcec91e77b9f6a52480c3393ab17cbc105880 (diff) | |
download | qpdf-4ccc8b1a44109a913c87f31029c9c17db30ecc43.tar.zst |
Add ClosedFileInputSource
ClosedFileInputSource is an input source that keeps the file closed
when not reading it.
Diffstat (limited to 'libtests/closed_file_input_source.cc')
-rw-r--r-- | libtests/closed_file_input_source.cc | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libtests/closed_file_input_source.cc b/libtests/closed_file_input_source.cc new file mode 100644 index 00000000..9fd3eec7 --- /dev/null +++ b/libtests/closed_file_input_source.cc @@ -0,0 +1,62 @@ +#include <qpdf/ClosedFileInputSource.hh> +#include <qpdf/FileInputSource.hh> + +#include <stdio.h> +#include <string.h> +#include <iostream> +#include <stdlib.h> + +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()); + is->unreadCh('Q'); + char b[1]; + b[0] = '\0'; + check("read unread character", 1 == is->read(b, 1)); + check("last offset after read unread", 521 == is->getLastOffset()); + check("got character", 'Q' == b[0]); + 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 FileInputSource\n"; + FileInputSource f; + f.setFilename("input"); + do_tests(&f); + std::cout << "all assertions passed" << std::endl; + return 0; +} |