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Diffstat (limited to 'test/syscalls/linux/time.cc')
-rw-r--r-- | test/syscalls/linux/time.cc | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/test/syscalls/linux/time.cc b/test/syscalls/linux/time.cc deleted file mode 100644 index e75bba669..000000000 --- a/test/syscalls/linux/time.cc +++ /dev/null @@ -1,107 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include <errno.h> -#include <time.h> - -#include "gtest/gtest.h" -#include "test/util/proc_util.h" -#include "test/util/test_util.h" - -namespace gvisor { -namespace testing { - -namespace { - -constexpr long kFudgeSeconds = 5; - -#if defined(__x86_64__) || defined(__i386__) -// Mimics the time(2) wrapper from glibc prior to 2.15. -time_t vsyscall_time(time_t* t) { - constexpr uint64_t kVsyscallTimeEntry = 0xffffffffff600400; - return reinterpret_cast<time_t (*)(time_t*)>(kVsyscallTimeEntry)(t); -} - -TEST(TimeTest, VsyscallTime_Succeeds) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(IsVsyscallEnabled())); - - time_t t1, t2; - - { - const DisableSave ds; // Timing assertions. - EXPECT_THAT(time(&t1), SyscallSucceeds()); - EXPECT_THAT(vsyscall_time(&t2), SyscallSucceeds()); - } - - // Time should be monotonic. - EXPECT_LE(static_cast<long>(t1), static_cast<long>(t2)); - - // Check that it's within kFudge seconds. - EXPECT_LE(static_cast<long>(t2), static_cast<long>(t1) + kFudgeSeconds); - - // Redo with save. - EXPECT_THAT(time(&t1), SyscallSucceeds()); - EXPECT_THAT(vsyscall_time(&t2), SyscallSucceeds()); - - // Time should be monotonic. - EXPECT_LE(static_cast<long>(t1), static_cast<long>(t2)); -} - -TEST(TimeTest, VsyscallTime_InvalidAddressSIGSEGV) { - EXPECT_EXIT(vsyscall_time(reinterpret_cast<time_t*>(0x1)), - ::testing::KilledBySignal(SIGSEGV), ""); -} - -// Mimics the gettimeofday(2) wrapper from the Go runtime <= 1.2. -int vsyscall_gettimeofday(struct timeval* tv, struct timezone* tz) { - constexpr uint64_t kVsyscallGettimeofdayEntry = 0xffffffffff600000; - return reinterpret_cast<int (*)(struct timeval*, struct timezone*)>( - kVsyscallGettimeofdayEntry)(tv, tz); -} - -TEST(TimeTest, VsyscallGettimeofday_Succeeds) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(IsVsyscallEnabled())); - - struct timeval tv1, tv2; - struct timezone tz1, tz2; - - { - const DisableSave ds; // Timing assertions. - EXPECT_THAT(gettimeofday(&tv1, &tz1), SyscallSucceeds()); - EXPECT_THAT(vsyscall_gettimeofday(&tv2, &tz2), SyscallSucceeds()); - } - - // See above. - EXPECT_LE(static_cast<long>(tv1.tv_sec), static_cast<long>(tv2.tv_sec)); - EXPECT_LE(static_cast<long>(tv2.tv_sec), - static_cast<long>(tv1.tv_sec) + kFudgeSeconds); - - // Redo with save. - EXPECT_THAT(gettimeofday(&tv1, &tz1), SyscallSucceeds()); - EXPECT_THAT(vsyscall_gettimeofday(&tv2, &tz2), SyscallSucceeds()); -} - -TEST(TimeTest, VsyscallGettimeofday_InvalidAddressSIGSEGV) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(IsVsyscallEnabled())); - - EXPECT_EXIT(vsyscall_gettimeofday(reinterpret_cast<struct timeval*>(0x1), - reinterpret_cast<struct timezone*>(0x1)), - ::testing::KilledBySignal(SIGSEGV), ""); -} -#endif - -} // namespace - -} // namespace testing -} // namespace gvisor |