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50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
#include <catch2/catch_test_macros.hpp>
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#include <cerrno>
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#include <fcntl.h>
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#include <sys/statfs.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#define CHECK_EFAULT(Expr) \
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do { \
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REQUIRE((Expr) == -1); \
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CHECK(errno == EFAULT); \
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} while (0)
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#define CHECK_ENOENT(Expr) \
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do { \
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REQUIRE((Expr) == -1); \
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CHECK(errno == ENOENT); \
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} while (0)
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TEST_CASE("stat et al. returns EFAULT for null pointers") {
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int FD = ::open("/", O_RDONLY);
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CHECK_EFAULT(::syscall(SYS_oldstat, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_oldfstat, FD, nullptr));
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CHECK_EFAULT(::syscall(SYS_oldlstat, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_stat, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_fstat, FD, nullptr));
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CHECK_EFAULT(::syscall(SYS_lstat, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_stat64, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_lstat64, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_fstat64, FD, nullptr));
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CHECK_EFAULT(::syscall(SYS_statfs, "/", nullptr));
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CHECK_EFAULT(::syscall(SYS_fstatfs, FD, nullptr));
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CHECK_EFAULT(::syscall(SYS_fstatfs64, FD, sizeof(struct statfs64), nullptr));
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CHECK_EFAULT(::syscall(SYS_statfs64, "/", sizeof(struct statfs64), nullptr));
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CHECK_EFAULT(::syscall(SYS_fstatat64, AT_FDCWD, "/", nullptr, 0));
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}
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TEST_CASE("stat et al. returns ENOENT for missing paths with null buffers") {
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CHECK_ENOENT(::syscall(SYS_oldstat, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_oldlstat, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_stat, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_lstat, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_stat64, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_lstat64, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_statfs, "/does/not/exist", nullptr));
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CHECK_ENOENT(::syscall(SYS_statfs64, "/does/not/exist", sizeof(struct statfs64), nullptr));
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CHECK_ENOENT(::syscall(SYS_fstatat64, AT_FDCWD, "/does/not/exist", nullptr, 0));
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}
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