mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-24 18:24:45 -05:00
128 lines
4.9 KiB
C++
128 lines
4.9 KiB
C++
#include <AK/Assertions.h>
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#include <AK/Types.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#define EXPECT_ERROR_2(err, syscall, arg1, arg2) \
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do { \
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rc = syscall(arg1, arg2); \
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if (rc >= 0 || errno != err) { \
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fprintf(stderr, __FILE__ ":%d: Expected " #err ": " #syscall "(%p, %p), got rc=%d, errno=%d\n", __LINE__, (const void*)(arg1), (const void*)arg2, rc, errno); \
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} \
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} while (0)
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#define EXPECT_ERROR_3(err, syscall, arg1, arg2, arg3) \
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do { \
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rc = syscall(arg1, arg2, arg3); \
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if (rc >= 0 || errno != err) { \
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fprintf(stderr, __FILE__ ":%d: Expected " #err ": " #syscall "(%p, %p, %p), got rc=%d, errno=%d\n", __LINE__, (const void*)(arg1), (const void*)(arg2), (const void*)(arg3), rc, errno); \
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} \
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} while (0)
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void test_read_from_directory()
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{
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char buffer[BUFSIZ];
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int fd = open("/", O_DIRECTORY | O_RDONLY);
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_3(EISDIR, read, fd, buffer, sizeof(buffer));
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rc = close(fd);
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ASSERT(rc == 0);
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}
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void test_write_to_directory()
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{
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char str[] = "oh frick";
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int fd = open("/", O_DIRECTORY | O_RDONLY);
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if (fd < 0)
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perror("open");
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_3(EBADF, write, fd, str, sizeof(str));
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rc = close(fd);
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ASSERT(rc == 0);
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}
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void test_read_from_writeonly()
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{
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char buffer[BUFSIZ];
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int fd = open("/tmp/xxxx123", O_CREAT | O_WRONLY);
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_3(EBADF, read, fd, buffer, sizeof(buffer));
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rc = close(fd);
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ASSERT(rc == 0);
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}
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void test_write_to_readonly()
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{
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char str[] = "hello";
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int fd = open("/tmp/abcd123", O_CREAT | O_RDONLY);
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_3(EBADF, write, fd, str, sizeof(str));
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rc = close(fd);
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ASSERT(rc == 0);
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}
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void test_read_past_eof()
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{
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char buffer[BUFSIZ];
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int fd = open("/home/anon/myfile.txt", O_RDONLY);
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if (fd < 0)
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perror("open");
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ASSERT(fd >= 0);
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int rc;
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rc = lseek(fd, 9999, SEEK_SET);
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if (rc < 0)
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perror("lseek");
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rc = read(fd, buffer, sizeof(buffer));
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if (rc < 0)
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perror("read");
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if (rc > 0)
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fprintf(stderr, "read %d bytes past EOF\n", rc);
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rc = close(fd);
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ASSERT(rc == 0);
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}
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void test_ftruncate_readonly()
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{
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int fd = open("/tmp/trunctest", O_RDONLY | O_CREAT, 0666);
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_2(EBADF, ftruncate, fd, 0);
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close(fd);
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}
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void test_ftruncate_negative()
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{
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int fd = open("/tmp/trunctest", O_RDWR | O_CREAT, 0666);
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ASSERT(fd >= 0);
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int rc;
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EXPECT_ERROR_2(EINVAL, ftruncate, fd, -1);
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close(fd);
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}
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int main(int, char**)
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{
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int rc;
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EXPECT_ERROR_2(ENOTDIR, open, "/dev/zero", (O_DIRECTORY | O_RDONLY));
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EXPECT_ERROR_2(EINVAL, open, "/dev/zero", (O_DIRECTORY | O_CREAT | O_RDWR));
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EXPECT_ERROR_2(EEXIST, open, "/dev/zero", (O_CREAT | O_EXCL | O_RDWR));
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EXPECT_ERROR_2(EINVAL, open, "/tmp/abcdef", (O_DIRECTORY | O_CREAT | O_RDWR));
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EXPECT_ERROR_2(EACCES, open, "/proc/all", (O_RDWR));
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EXPECT_ERROR_2(ENOENT, open, "/boof/baaf/nonexistent", (O_CREAT | O_RDWR));
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EXPECT_ERROR_2(EISDIR, open, "/tmp", (O_DIRECTORY | O_RDWR));
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test_read_from_directory();
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test_write_to_directory();
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test_read_from_writeonly();
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test_write_to_readonly();
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test_read_past_eof();
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test_ftruncate_readonly();
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test_ftruncate_negative();
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return 0;
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}
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