libcryfs/src/test/fspp/fuse/read/FuseReadOverflowTest.cpp

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#include "testutils/FuseReadTest.h"
#include "fspp/fuse/FuseErrnoException.h"
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using ::testing::_;
using ::testing::StrEq;
using ::testing::Eq;
using ::testing::Return;
using ::testing::Invoke;
using ::testing::Action;
using std::min;
using namespace fspp::fuse;
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class FuseReadOverflowTest: public FuseReadTest {
public:
const size_t FILESIZE = 1000;
const size_t READSIZE = 2000;
const size_t OFFSET = 500;
void SetUp() override {
ReturnIsFileOnLstatWithSize(FILENAME, FILESIZE);
OnOpenReturnFileDescriptor(FILENAME, 0);
EXPECT_CALL(fsimpl, read(0, _, _, _)).WillRepeatedly(ReturnSuccessfulReadRegardingSize(FILESIZE));
}
};
TEST_F(FuseReadOverflowTest, ReadMoreThanFileSizeFromBeginning) {
char buf[READSIZE];
auto retval = ReadFileReturnError(FILENAME, buf, READSIZE, 0);
EXPECT_EQ(FILESIZE, retval.read_bytes);
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}
TEST_F(FuseReadOverflowTest, ReadMoreThanFileSizeFromMiddle) {
char buf[READSIZE];
auto retval = ReadFileReturnError(FILENAME, buf, READSIZE, OFFSET);
EXPECT_EQ(FILESIZE-OFFSET, retval.read_bytes);
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}