Differential D27946 Diff 85035 tests/sys/fs/fusefs/read.cc

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tests/sys/fs/fusefs/read.cc

Show First 20 Lines • Show All 288 Lines • ▼ Show 20 Lines	TEST_F(AsyncRead, async_read)

m_mock->kill_daemon();		m_mock->kill_daemon();
/* Wait for AIO activity to complete, but ignore errors */		/* Wait for AIO activity to complete, but ignore errors */
(void)aio_waitcomplete(NULL, NULL);		(void)aio_waitcomplete(NULL, NULL);

leak(fd);		leak(fd);
}		}

		/*
		* Regression test for a VFS locking bug: as of
		* b3c6fe663bb90240f8bda6b5ba9c6a761f09f078 (8-February-2021), fusefs did not
		cemUnsubmitted Done Inline Actions I'm not seeing this hash; is it in the canonical freebsd git tree? cem: I'm not seeing this hash; is it in the canonical freebsd git tree?
		* obtain an exclusive vnode lock before attempting to clear the attr cache
		* after an unexpected eof. The vnode lock would already be exclusive except
		* when FUSE_ASYNC_READ is set.
		*/
		TEST_F(AsyncRead, eof)
		{
		const char FULLPATH[] = "mountpoint/some_file.txt";
		const char RELPATH[] = "some_file.txt";
		const char *CONTENTS = "abcdefghijklmnop";
		uint64_t ino = 42;
		int fd;
		uint64_t offset = 100;
		ssize_t bufsize = strlen(CONTENTS);
		ssize_t partbufsize = 3 * bufsize / 4;
		ssize_t r;
		uint8_t buf[bufsize];
		struct stat sb;

		expect_lookup(RELPATH, ino, offset + bufsize);
		expect_open(ino, 0, 1);
		expect_read(ino, 0, offset + bufsize, offset + partbufsize, CONTENTS);
		expect_getattr(ino, offset + partbufsize);

		fd = open(FULLPATH, O_RDONLY);
		ASSERT_LE(0, fd) << strerror(errno);

		r = pread(fd, buf, bufsize, offset);
		ASSERT_LE(0, r) << strerror(errno);
		EXPECT_EQ(partbufsize, r) << strerror(errno);
		ASSERT_EQ(0, fstat(fd, &sb));
		EXPECT_EQ((off_t)(offset + partbufsize), sb.st_size);
		leak(fd);
		}

/* 0-length reads shouldn't cause any confusion */		/* 0-length reads shouldn't cause any confusion */
TEST_F(Read, direct_io_read_nothing)		TEST_F(Read, direct_io_read_nothing)
{		{
const char FULLPATH[] = "mountpoint/some_file.txt";		const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";		const char RELPATH[] = "some_file.txt";
uint64_t ino = 42;		uint64_t ino = 42;
int fd;		int fd;
uint64_t offset = 100;		uint64_t offset = 100;
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