diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/syscalls/linux/madvise.cc | 12 | ||||
-rw-r--r-- | test/syscalls/linux/pty.cc | 11 | ||||
-rw-r--r-- | test/syscalls/linux/shm.cc | 8 | ||||
-rw-r--r-- | test/util/logging.cc | 8 | ||||
-rw-r--r-- | test/util/logging.h | 39 | ||||
-rw-r--r-- | test/util/multiprocess_util.h | 3 | ||||
-rw-r--r-- | test/util/posix_error.cc | 2 | ||||
-rw-r--r-- | test/util/posix_error.h | 14 |
8 files changed, 68 insertions, 29 deletions
diff --git a/test/syscalls/linux/madvise.cc b/test/syscalls/linux/madvise.cc index 5a1973f60..6e714b12c 100644 --- a/test/syscalls/linux/madvise.cc +++ b/test/syscalls/linux/madvise.cc @@ -179,9 +179,9 @@ TEST(MadviseDontforkTest, DontforkShared) { // First page is mapped in child and modifications are visible to parent // via the shared mapping. TEST_CHECK(IsMapped(ms1.addr())); - ExpectAllMappingBytes(ms1, 2); + CheckAllMappingBytes(ms1, 2); memset(ms1.ptr(), 1, kPageSize); - ExpectAllMappingBytes(ms1, 1); + CheckAllMappingBytes(ms1, 1); // Second page must not be mapped in child. TEST_CHECK(!IsMapped(ms2.addr())); @@ -222,9 +222,9 @@ TEST(MadviseDontforkTest, DontforkAnonPrivate) { // page. The mapping is private so the modifications are not visible to // the parent. TEST_CHECK(IsMapped(mp1.addr())); - ExpectAllMappingBytes(mp1, 1); + CheckAllMappingBytes(mp1, 1); memset(mp1.ptr(), 11, kPageSize); - ExpectAllMappingBytes(mp1, 11); + CheckAllMappingBytes(mp1, 11); // Verify second page is not mapped. TEST_CHECK(!IsMapped(mp2.addr())); @@ -233,9 +233,9 @@ TEST(MadviseDontforkTest, DontforkAnonPrivate) { // page. The mapping is private so the modifications are not visible to // the parent. TEST_CHECK(IsMapped(mp3.addr())); - ExpectAllMappingBytes(mp3, 3); + CheckAllMappingBytes(mp3, 3); memset(mp3.ptr(), 13, kPageSize); - ExpectAllMappingBytes(mp3, 13); + CheckAllMappingBytes(mp3, 13); }; EXPECT_THAT(InForkedProcess(rest), IsPosixErrorOkAndHolds(0)); diff --git a/test/syscalls/linux/pty.cc b/test/syscalls/linux/pty.cc index 0b174e2be..85ff258df 100644 --- a/test/syscalls/linux/pty.cc +++ b/test/syscalls/linux/pty.cc @@ -1338,6 +1338,7 @@ TEST_F(JobControlTest, SetTTYDifferentSession) { TEST_PCHECK(waitpid(grandchild, &gcwstatus, 0) == grandchild); TEST_PCHECK(gcwstatus == 0); }); + ASSERT_NO_ERRNO(res); } TEST_F(JobControlTest, ReleaseTTY) { @@ -1515,7 +1516,8 @@ TEST_F(JobControlTest, GetForegroundProcessGroupNonControlling) { // - creates a child process in a new process group // - sets that child as the foreground process group // - kills its child and sets itself as the foreground process group. -TEST_F(JobControlTest, SetForegroundProcessGroup) { +// TODO(gvisor.dev/issue/5357): Fix and enable. +TEST_F(JobControlTest, DISABLED_SetForegroundProcessGroup) { auto res = RunInChild([=]() { TEST_PCHECK(!ioctl(replica_.get(), TIOCSCTTY, 0)); @@ -1557,6 +1559,7 @@ TEST_F(JobControlTest, SetForegroundProcessGroup) { TEST_PCHECK(pgid = getpgid(0) == 0); TEST_PCHECK(!tcsetpgrp(replica_.get(), pgid)); }); + ASSERT_NO_ERRNO(res); } TEST_F(JobControlTest, SetForegroundProcessGroupWrongTTY) { @@ -1576,8 +1579,9 @@ TEST_F(JobControlTest, SetForegroundProcessGroupNegPgid) { ASSERT_NO_ERRNO(ret); } -TEST_F(JobControlTest, SetForegroundProcessGroupEmptyProcessGroup) { - auto ret = RunInChild([=]() { +// TODO(gvisor.dev/issue/5357): Fix and enable. +TEST_F(JobControlTest, DISABLED_SetForegroundProcessGroupEmptyProcessGroup) { + auto res = RunInChild([=]() { TEST_PCHECK(!ioctl(replica_.get(), TIOCSCTTY, 0)); // Create a new process, put it in a new process group, make that group the @@ -1595,6 +1599,7 @@ TEST_F(JobControlTest, SetForegroundProcessGroupEmptyProcessGroup) { TEST_PCHECK(ioctl(replica_.get(), TIOCSPGRP, &grandchild) != 0 && errno == ESRCH); }); + ASSERT_NO_ERRNO(res); } TEST_F(JobControlTest, SetForegroundProcessGroupDifferentSession) { diff --git a/test/syscalls/linux/shm.cc b/test/syscalls/linux/shm.cc index 6aabd79e7..baf794152 100644 --- a/test/syscalls/linux/shm.cc +++ b/test/syscalls/linux/shm.cc @@ -372,18 +372,18 @@ TEST(ShmDeathTest, SegmentNotAccessibleAfterDetach) { SetupGvisorDeathTest(); const auto rest = [&] { - ShmSegment shm = ASSERT_NO_ERRNO_AND_VALUE( + ShmSegment shm = TEST_CHECK_NO_ERRNO_AND_VALUE( Shmget(IPC_PRIVATE, kAllocSize, IPC_CREAT | 0777)); - char* addr = ASSERT_NO_ERRNO_AND_VALUE(Shmat(shm.id(), nullptr, 0)); + char* addr = TEST_CHECK_NO_ERRNO_AND_VALUE(Shmat(shm.id(), nullptr, 0)); // Mark the segment as destroyed so it's automatically cleaned up when we // crash below. We can't rely on the standard cleanup since the destructor // will not run after the SIGSEGV. Note that this doesn't destroy the // segment immediately since we're still attached to it. - ASSERT_NO_ERRNO(shm.Rmid()); + TEST_CHECK_NO_ERRNO(shm.Rmid()); addr[0] = 'x'; - ASSERT_NO_ERRNO(Shmdt(addr)); + TEST_CHECK_NO_ERRNO(Shmdt(addr)); // This access should cause a SIGSEGV. addr[0] = 'x'; diff --git a/test/util/logging.cc b/test/util/logging.cc index 5d5e76c46..5fadb076b 100644 --- a/test/util/logging.cc +++ b/test/util/logging.cc @@ -69,9 +69,7 @@ int WriteNumber(int fd, uint32_t val) { } // namespace void CheckFailure(const char* cond, size_t cond_size, const char* msg, - size_t msg_size, bool include_errno) { - int saved_errno = errno; - + size_t msg_size, int errno_value) { constexpr char kCheckFailure[] = "Check failed: "; Write(2, kCheckFailure, sizeof(kCheckFailure) - 1); Write(2, cond, cond_size); @@ -81,10 +79,10 @@ void CheckFailure(const char* cond, size_t cond_size, const char* msg, Write(2, msg, msg_size); } - if (include_errno) { + if (errno_value != 0) { constexpr char kErrnoMessage[] = " (errno "; Write(2, kErrnoMessage, sizeof(kErrnoMessage) - 1); - WriteNumber(2, saved_errno); + WriteNumber(2, errno_value); Write(2, ")", 1); } diff --git a/test/util/logging.h b/test/util/logging.h index 589166fab..9d224ea05 100644 --- a/test/util/logging.h +++ b/test/util/logging.h @@ -21,7 +21,7 @@ namespace gvisor { namespace testing { void CheckFailure(const char* cond, size_t cond_size, const char* msg, - size_t msg_size, bool include_errno); + size_t msg_size, int errno_value); // If cond is false, aborts the current process. // @@ -30,7 +30,7 @@ void CheckFailure(const char* cond, size_t cond_size, const char* msg, do { \ if (!(cond)) { \ ::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, nullptr, \ - 0, false); \ + 0, 0); \ } \ } while (0) @@ -41,7 +41,7 @@ void CheckFailure(const char* cond, size_t cond_size, const char* msg, do { \ if (!(cond)) { \ ::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, msg, \ - sizeof(msg) - 1, false); \ + sizeof(msg) - 1, 0); \ } \ } while (0) @@ -52,7 +52,7 @@ void CheckFailure(const char* cond, size_t cond_size, const char* msg, do { \ if (!(cond)) { \ ::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, nullptr, \ - 0, true); \ + 0, errno); \ } \ } while (0) @@ -63,10 +63,39 @@ void CheckFailure(const char* cond, size_t cond_size, const char* msg, do { \ if (!(cond)) { \ ::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, msg, \ - sizeof(msg) - 1, true); \ + sizeof(msg) - 1, errno); \ } \ } while (0) +// expr must return PosixErrorOr<T>. The current process is aborted if +// !PosixError<T>.ok(). +// +// This macro is async-signal-safe. +#define TEST_CHECK_NO_ERRNO(expr) \ + ({ \ + auto _expr_result = (expr); \ + if (!_expr_result.ok()) { \ + ::gvisor::testing::CheckFailure( \ + #expr, sizeof(#expr) - 1, nullptr, 0, \ + _expr_result.error().errno_value()); \ + } \ + }) + +// expr must return PosixErrorOr<T>. The current process is aborted if +// !PosixError<T>.ok(). Otherwise, PosixErrorOr<T> value is returned. +// +// This macro is async-signal-safe. +#define TEST_CHECK_NO_ERRNO_AND_VALUE(expr) \ + ({ \ + auto _expr_result = (expr); \ + if (!_expr_result.ok()) { \ + ::gvisor::testing::CheckFailure( \ + #expr, sizeof(#expr) - 1, nullptr, 0, \ + _expr_result.error().errno_value()); \ + } \ + std::move(_expr_result).ValueOrDie(); \ + }) + } // namespace testing } // namespace gvisor diff --git a/test/util/multiprocess_util.h b/test/util/multiprocess_util.h index 2f3bf4a6f..840fde4ee 100644 --- a/test/util/multiprocess_util.h +++ b/test/util/multiprocess_util.h @@ -123,7 +123,8 @@ inline PosixErrorOr<Cleanup> ForkAndExecveat(int32_t dirfd, // Calls fn in a forked subprocess and returns the exit status of the // subprocess. // -// fn must be async-signal-safe. +// fn must be async-signal-safe. Use of ASSERT/EXPECT functions is prohibited. +// Use TEST_CHECK variants instead. PosixErrorOr<int> InForkedProcess(const std::function<void()>& fn); } // namespace testing diff --git a/test/util/posix_error.cc b/test/util/posix_error.cc index deed0c05b..8522e4c81 100644 --- a/test/util/posix_error.cc +++ b/test/util/posix_error.cc @@ -50,7 +50,7 @@ std::string PosixError::ToString() const { ret = absl::StrCat("PosixError(errno=", errno_, " ", res, ")"); #endif - if (!msg_.empty()) { + if (strnlen(msg_, sizeof(msg_)) > 0) { ret.append(" "); ret.append(msg_); } diff --git a/test/util/posix_error.h b/test/util/posix_error.h index b634a7f78..27557ad44 100644 --- a/test/util/posix_error.h +++ b/test/util/posix_error.h @@ -26,12 +26,18 @@ namespace gvisor { namespace testing { +// PosixError must be async-signal-safe. class ABSL_MUST_USE_RESULT PosixError { public: PosixError() {} + explicit PosixError(int errno_value) : errno_(errno_value) {} - PosixError(int errno_value, std::string msg) - : errno_(errno_value), msg_(std::move(msg)) {} + + PosixError(int errno_value, std::string_view msg) : errno_(errno_value) { + // Check that `msg` will fit, leaving room for '\0' at the end. + TEST_CHECK(msg.size() < sizeof(msg_)); + msg.copy(msg_, msg.size()); + } PosixError(PosixError&& other) = default; PosixError& operator=(PosixError&& other) = default; @@ -45,7 +51,7 @@ class ABSL_MUST_USE_RESULT PosixError { const PosixError& error() const { return *this; } int errno_value() const { return errno_; } - std::string message() const { return msg_; } + const char* message() const { return msg_; } // ToString produces a full string representation of this posix error // including the printable representation of the errno and the error message. @@ -58,7 +64,7 @@ class ABSL_MUST_USE_RESULT PosixError { private: int errno_ = 0; - std::string msg_; + char msg_[1024] = {}; }; template <typename T> |