crashpad/util/misc/time_test.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

134 lines
4.5 KiB
C++

// Copyright 2015 The Crashpad 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 "util/misc/time.h"
#include <limits>
#include "build/build_config.h"
#include "gtest/gtest.h"
namespace crashpad {
namespace test {
namespace {
TEST(Time, TimespecArithmetic) {
timespec ts1, ts2, result;
ts1.tv_sec = ts2.tv_sec = 1;
ts1.tv_nsec = ts2.tv_nsec = kNanosecondsPerSecond / 2;
AddTimespec(ts1, ts2, &result);
EXPECT_EQ(result.tv_sec, 3);
EXPECT_EQ(result.tv_nsec, 0);
ts1.tv_sec = 2;
ts1.tv_nsec = 0;
ts2.tv_sec = 1;
ts2.tv_nsec = 1;
SubtractTimespec(ts1, ts2, &result);
EXPECT_EQ(result.tv_sec, 0);
EXPECT_EQ(result.tv_nsec, long{kNanosecondsPerSecond - 1});
}
TEST(Time, TimeConversions) {
// On July 30th, 2014 at 9:15 PM GMT+0, the Crashpad git repository was born.
// (nanoseconds are approximate)
constexpr timespec kCrashpadBirthdate = {
/* .tv_sec= */ 1406754914,
/* .tv_nsec= */ 32487
};
timeval timeval_birthdate;
ASSERT_TRUE(TimespecToTimeval(kCrashpadBirthdate, &timeval_birthdate));
EXPECT_EQ(timeval_birthdate.tv_sec, kCrashpadBirthdate.tv_sec);
EXPECT_EQ(timeval_birthdate.tv_usec, kCrashpadBirthdate.tv_nsec / 1000);
timespec timespec_birthdate;
TimevalToTimespec(timeval_birthdate, &timespec_birthdate);
EXPECT_EQ(timespec_birthdate.tv_sec, kCrashpadBirthdate.tv_sec);
EXPECT_EQ(timespec_birthdate.tv_nsec,
kCrashpadBirthdate.tv_nsec - (kCrashpadBirthdate.tv_nsec % 1000));
constexpr timespec kEndOfTime = {
/* .tv_sec= */ std::numeric_limits<decltype(timespec::tv_sec)>::max(),
/* .tv_nsec= */ 0
};
timeval end_of_timeval;
if (std::numeric_limits<decltype(timespec::tv_sec)>::max() >
std::numeric_limits<decltype(timeval::tv_sec)>::max()) {
EXPECT_FALSE(TimespecToTimeval(kEndOfTime, &end_of_timeval));
} else {
EXPECT_TRUE(TimespecToTimeval(kEndOfTime, &end_of_timeval));
}
#if BUILDFLAG(IS_WIN)
constexpr uint64_t kBirthdateFiletimeIntervals = 130512285140000324;
FILETIME filetime_birthdate;
filetime_birthdate.dwLowDateTime = 0xffffffff & kBirthdateFiletimeIntervals;
filetime_birthdate.dwHighDateTime = kBirthdateFiletimeIntervals >> 32;
FILETIME filetime = TimespecToFiletimeEpoch(kCrashpadBirthdate);
EXPECT_EQ(filetime.dwLowDateTime, filetime_birthdate.dwLowDateTime);
EXPECT_EQ(filetime.dwHighDateTime, filetime_birthdate.dwHighDateTime);
timespec_birthdate = FiletimeToTimespecEpoch(filetime_birthdate);
EXPECT_EQ(timespec_birthdate.tv_sec, kCrashpadBirthdate.tv_sec);
EXPECT_EQ(timespec_birthdate.tv_nsec,
kCrashpadBirthdate.tv_nsec - kCrashpadBirthdate.tv_nsec % 100);
timeval_birthdate = FiletimeToTimevalEpoch(filetime_birthdate);
EXPECT_EQ(timeval_birthdate.tv_sec, kCrashpadBirthdate.tv_sec);
EXPECT_EQ(timeval_birthdate.tv_usec, kCrashpadBirthdate.tv_nsec / 1000);
FILETIME elapsed_filetime;
elapsed_filetime.dwLowDateTime = 0;
elapsed_filetime.dwHighDateTime = 0;
timeval elapsed_timeval = FiletimeToTimevalInterval(elapsed_filetime);
EXPECT_EQ(elapsed_timeval.tv_sec, 0);
EXPECT_EQ(elapsed_timeval.tv_usec, 0);
elapsed_filetime.dwLowDateTime = 9;
elapsed_timeval = FiletimeToTimevalInterval(elapsed_filetime);
EXPECT_EQ(elapsed_timeval.tv_sec, 0);
EXPECT_EQ(elapsed_timeval.tv_usec, 0);
elapsed_filetime.dwLowDateTime = 10;
elapsed_timeval = FiletimeToTimevalInterval(elapsed_filetime);
EXPECT_EQ(elapsed_timeval.tv_sec, 0);
EXPECT_EQ(elapsed_timeval.tv_usec, 1);
elapsed_filetime.dwHighDateTime = 1;
elapsed_filetime.dwLowDateTime = 0;
elapsed_timeval = FiletimeToTimevalInterval(elapsed_filetime);
EXPECT_EQ(elapsed_timeval.tv_sec, 429);
EXPECT_EQ(elapsed_timeval.tv_usec, 496729);
#endif // BUILDFLAG(IS_WIN)
}
#if BUILDFLAG(IS_WIN)
TEST(Time, GetTimeOfDay) {
timeval t;
GetTimeOfDay(&t);
time_t approx_now = time(nullptr);
EXPECT_GE(approx_now, t.tv_sec);
EXPECT_LT(approx_now - 100, t.tv_sec);
}
#endif // BUILDFLAG(IS_WIN)
} // namespace
} // namespace test
} // namespace crashpad