86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
#include "../../testutils/DataBlockFixture.h"
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#include "testutils/FuseWriteTest.h"
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#include "../../../fuse/FuseErrnoException.h"
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using ::testing::_;
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using ::testing::StrEq;
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using ::testing::Eq;
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using ::testing::Return;
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using ::testing::Invoke;
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using ::testing::Action;
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using std::min;
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using namespace fspp::fuse;
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class FuseWriteOverflowTest: public FuseWriteTest {
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public:
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size_t FILESIZE;
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size_t WRITESIZE;
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size_t OFFSET;
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DataBlockFixtureWriteable testFile;
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DataBlockFixture writeData;
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FuseWriteOverflowTest(size_t filesize, size_t writesize, size_t offset)
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: FILESIZE(filesize), WRITESIZE(writesize), OFFSET(offset), testFile(FILESIZE), writeData(WRITESIZE) {
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ReturnIsFileOnLstatWithSize(FILENAME, FILESIZE);
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OnOpenReturnFileDescriptor(FILENAME, 0);
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EXPECT_CALL(fsimpl, write(0, _, _, _)).WillRepeatedly(WriteToFile);
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}
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// This write() mock implementation writes to the stored virtual file.
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Action<void(int, const void*, size_t, off_t)> WriteToFile =
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Invoke([this](int, const void *buf, size_t count, off_t offset) {
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testFile.write(buf, count, offset);
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});
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};
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class FuseWriteOverflowTestWithNonemptyFile: public FuseWriteOverflowTest {
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public:
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FuseWriteOverflowTestWithNonemptyFile(): FuseWriteOverflowTest(1000, 2000, 500) {}
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};
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteMoreThanFileSizeFromBeginning) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, 0);
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EXPECT_EQ(WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEqual(writeData.data(), WRITESIZE, 0));
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}
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteMoreThanFileSizeFromMiddle) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, OFFSET);
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EXPECT_EQ(OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.regionUnchanged(0, OFFSET));
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EXPECT_TRUE(testFile.fileContentEqual(writeData.data(), WRITESIZE, OFFSET));
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}
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteAfterFileEnd) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, FILESIZE + OFFSET);
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EXPECT_EQ(FILESIZE + OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.regionUnchanged(0, FILESIZE));
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EXPECT_TRUE(testFile.fileContentEqual(writeData.data(), WRITESIZE, FILESIZE + OFFSET));
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}
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class FuseWriteOverflowTestWithEmptyFile: public FuseWriteOverflowTest {
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public:
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FuseWriteOverflowTestWithEmptyFile(): FuseWriteOverflowTest(0, 2000, 500) {}
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};
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TEST_F(FuseWriteOverflowTestWithEmptyFile, WriteToBeginOfEmptyFile) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, 0);
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EXPECT_EQ(WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEqual(writeData.data(), WRITESIZE, 0));
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}
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TEST_F(FuseWriteOverflowTestWithEmptyFile, WriteAfterFileEnd) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, OFFSET);
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EXPECT_EQ(OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEqual(writeData.data(), WRITESIZE, OFFSET));
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}
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