libcryfs/test/fspp/fuse/ftruncate/testutils/FuseFTruncateTest.cpp

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#include "FuseFTruncateTest.h"
using cpputils::unique_ref;
using cpputils::make_unique_ref;
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void FuseFTruncateTest::FTruncateFile(const char *filename, fspp::num_bytes_t size) {
int error = FTruncateFileReturnError(filename, size);
EXPECT_EQ(0, error);
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}
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int FuseFTruncateTest::FTruncateFileReturnError(const char *filename, fspp::num_bytes_t size) {
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auto fs = TestFS();
auto fd = OpenFile(fs.get(), filename);
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int retval = ::ftruncate(fd->fd(), size.value());
if (0 == retval) {
return 0;
} else {
return errno;
}
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}
unique_ref<OpenFileHandle> FuseFTruncateTest::OpenFile(const TempTestFS *fs, const char *filename) {
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auto realpath = fs->mountDir() / filename;
auto fd = make_unique_ref<OpenFileHandle>(realpath.string().c_str(), O_RDWR);
EXPECT_GE(fd->fd(), 0) << "Error opening file";
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return fd;
}