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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/test/common/test_safe_io.cc | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/common/test_safe_io.cc')
-rw-r--r-- | src/test/common/test_safe_io.cc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/common/test_safe_io.cc b/src/test/common/test_safe_io.cc new file mode 100644 index 000000000..8b98a9655 --- /dev/null +++ b/src/test/common/test_safe_io.cc @@ -0,0 +1,37 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <algorithm> +#include <cstring> +#include <fcntl.h> +#include <unistd.h> + +#include "common/safe_io.h" + +#include "gtest/gtest.h" + + +TEST(SafeIO, safe_read_file) { + const char *fname = "safe_read_testfile"; + ::unlink(fname); + int fd = ::open(fname, O_RDWR|O_CREAT|O_TRUNC, 0600); + ASSERT_NE(fd, -1); + const char buf[] = "0123456789"; + for (int i = 0; i < 8; i++) { + ASSERT_EQ((ssize_t)sizeof(buf), write(fd, buf, sizeof(buf))); + } + ::close(fd); + char rdata[80]; + ASSERT_EQ((int)sizeof(rdata), + safe_read_file(".", fname, rdata, sizeof(rdata))); + for (char *p = rdata, *end = rdata+sizeof(rdata); p < end; p+=sizeof(buf)) { + ASSERT_EQ(0, std::memcmp(p, buf, std::min(size_t(end-p), sizeof(buf)))); + } + ::unlink(fname); +} + +// Local Variables: +// compile-command: "cd ../.. ; +// make unittest_safe_io && +// ./unittest_safe_io" +// End: |