diff options
Diffstat (limited to 'Userland')
| -rw-r--r-- | Userland/test_io.cpp | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/Userland/test_io.cpp b/Userland/test_io.cpp index 2296dff418..d276da97e6 100644 --- a/Userland/test_io.cpp +++ b/Userland/test_io.cpp @@ -5,14 +5,6 @@ #include <sys/mman.h> #include <unistd.h> -#define EXPECT_OK(syscall, address, size) \ - do { \ - rc = syscall(fd, (void*)(address)); \ - if (rc < 0) { \ - fprintf(stderr, "Expected success: " #syscall "(%p, %zu), got rc=%d, errno=%d\n", (void*)(address), (size_t)(size), rc, errno); \ - } \ - } while (0) - #define EXPECT_ERROR_2(err, syscall, arg1, arg2) \ do { \ rc = syscall(arg1, arg2); \ @@ -75,6 +67,26 @@ void test_write_to_readonly() ASSERT(rc == 0); } +void test_read_past_eof() +{ + char buffer[BUFSIZ]; + int fd = open("/home/anon/myfile.txt", O_RDONLY); + if (fd < 0) + perror("open"); + ASSERT(fd >= 0); + int rc; + rc = lseek(fd, 9999, SEEK_SET); + if (rc < 0) + perror("lseek"); + rc = read(fd, buffer, sizeof(buffer)); + if (rc < 0) + perror("read"); + if (rc > 0) + fprintf(stderr, "read %d bytes past EOF\n", rc); + rc = close(fd); + ASSERT(rc == 0); +} + int main(int, char**) { int rc; @@ -90,6 +102,7 @@ int main(int, char**) test_write_to_directory(); test_read_from_writeonly(); test_write_to_readonly(); + test_read_past_eof(); return 0; } |