#include "testutils/FuseCreateAndOpenTest.h" using ::testing::_; using ::testing::StrEq; using ::testing::WithParamInterface; using ::testing::Values; using ::testing::Return; class FuseCreateAndOpenFileDescriptorTest: public FuseCreateAndOpenTest, public WithParamInterface<int> { public: void CreateAndOpenAndReadFile(const char *filename) { auto fs = TestFS(); int fd = CreateAndOpenFile(fs.get(), filename); ReadFile(fd); } private: int CreateAndOpenFile(const TempTestFS *fs, const char *filename) { auto realpath = fs->mountDir() / filename; int fd = ::open(realpath.c_str(), O_RDONLY | O_CREAT, S_IRUSR | S_IRGRP | S_IROTH); EXPECT_GE(fd, 0) << "Creating file failed"; return fd; } void ReadFile(int fd) { uint8_t buf; int retval = ::read(fd, &buf, 1); EXPECT_EQ(1, retval) << "Reading file failed"; } }; INSTANTIATE_TEST_CASE_P(FuseCreateAndOpenFileDescriptorTest, FuseCreateAndOpenFileDescriptorTest, Values(0, 2, 5, 1000, 1024*1024*1024)); TEST_P(FuseCreateAndOpenFileDescriptorTest, TestReturnedFileDescriptor) { ReturnDoesntExistOnLstat(FILENAME); EXPECT_CALL(fsimpl, createAndOpenFile(StrEq(FILENAME), _, _, _)) .Times(1).WillOnce(Return(GetParam())); EXPECT_CALL(fsimpl, read(GetParam(), _, _, _)).Times(1).WillOnce(Return(1)); //For the syscall to succeed, we also need to give an fstat implementation. ReturnIsFileOnFstatWithSize(GetParam(), 1); CreateAndOpenAndReadFile(FILENAME); }