d732f2014b
- d5a5960a133967e4af02836d304884cd6cbd6e46 Adjusting time tests for flakiness by Gennadiy Civil <misterg@google.com> - ccb8535fdc92c3c99bfa2795e75d3fbdcb134571 Internal-only tweak. by Jorg Brown <jorg@google.com> - 4c03dd9e54bd4645e7e7a8dfb3c590f5b0654884 Fix comment on some C++11 type traits backport. by Xiaoyi Zhang <zhangxy@google.com> - 43cd12d2304464163e33ae932fbb842a869213dd Allow intrinsic int128 to be set for __ppc64__ targets. by Abseil Team <absl-team@google.com> - 789e9c13de67ef3c7ba09c765c3484621897b6bb Update README.md description of 'types' library to be con... by Abseil Team <absl-team@google.com> - 8be10d7683c90b85244ddc67360a7ca2dfffdf01 Update comment on move constructors' noexcept specificati... by Xiaoyi Zhang <zhangxy@google.com> GitOrigin-RevId: d5a5960a133967e4af02836d304884cd6cbd6e46 Change-Id: I743efee47b9e65f46a44d9ab80ccd62cfd0c1301
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/time/clock.h"
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#include "absl/base/config.h"
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#if defined(ABSL_HAVE_ALARM)
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#include <signal.h>
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#include <unistd.h>
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#elif defined(__linux__) || defined(__APPLE__)
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#error all known Linux and Apple targets have alarm
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#endif
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#include "gtest/gtest.h"
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#include "absl/time/time.h"
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namespace {
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TEST(Time, Now) {
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const absl::Time before = absl::FromUnixNanos(absl::GetCurrentTimeNanos());
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const absl::Time now = absl::Now();
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const absl::Time after = absl::FromUnixNanos(absl::GetCurrentTimeNanos());
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EXPECT_GE(now, before);
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EXPECT_GE(after, now);
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}
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TEST(SleepForTest, BasicSanity) {
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absl::Duration sleep_time = absl::Milliseconds(2500);
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absl::Time start = absl::Now();
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absl::SleepFor(sleep_time);
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absl::Time end = absl::Now();
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EXPECT_LE(sleep_time - absl::Milliseconds(100), end - start);
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EXPECT_GE(sleep_time + absl::Milliseconds(200), end - start);
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}
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#ifdef ABSL_HAVE_ALARM
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// Helper for test SleepFor.
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bool alarm_handler_invoked = false;
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void AlarmHandler(int signo) {
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ASSERT_EQ(signo, SIGALRM);
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alarm_handler_invoked = true;
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}
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TEST(SleepForTest, AlarmSupport) {
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alarm_handler_invoked = false;
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sig_t old_alarm = signal(SIGALRM, AlarmHandler);
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alarm(2);
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absl::Duration sleep_time = absl::Milliseconds(3500);
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absl::Time start = absl::Now();
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absl::SleepFor(sleep_time);
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absl::Time end = absl::Now();
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EXPECT_TRUE(alarm_handler_invoked);
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EXPECT_LE(sleep_time - absl::Milliseconds(100), end - start);
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EXPECT_GE(sleep_time + absl::Milliseconds(200), end - start);
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signal(SIGALRM, old_alarm);
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}
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#endif // ABSL_HAVE_ALARM
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} // namespace
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