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Diffstat (limited to 'deps/v8/test/cctest/test-time.cc')
-rw-r--r-- | deps/v8/test/cctest/test-time.cc | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/deps/v8/test/cctest/test-time.cc b/deps/v8/test/cctest/test-time.cc deleted file mode 100644 index 1ef9e08f6..000000000 --- a/deps/v8/test/cctest/test-time.cc +++ /dev/null @@ -1,197 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "v8.h" - -#if V8_OS_POSIX -#include <sys/time.h> // NOLINT -#endif - -#include "cctest.h" -#if V8_OS_WIN -#include "win32-headers.h" -#endif - -using namespace v8::internal; - - -TEST(TimeDeltaFromAndIn) { - CHECK(TimeDelta::FromDays(2) == TimeDelta::FromHours(48)); - CHECK(TimeDelta::FromHours(3) == TimeDelta::FromMinutes(180)); - CHECK(TimeDelta::FromMinutes(2) == TimeDelta::FromSeconds(120)); - CHECK(TimeDelta::FromSeconds(2) == TimeDelta::FromMilliseconds(2000)); - CHECK(TimeDelta::FromMilliseconds(2) == TimeDelta::FromMicroseconds(2000)); - CHECK_EQ(static_cast<int>(13), TimeDelta::FromDays(13).InDays()); - CHECK_EQ(static_cast<int>(13), TimeDelta::FromHours(13).InHours()); - CHECK_EQ(static_cast<int>(13), TimeDelta::FromMinutes(13).InMinutes()); - CHECK_EQ(static_cast<int64_t>(13), TimeDelta::FromSeconds(13).InSeconds()); - CHECK_EQ(13.0, TimeDelta::FromSeconds(13).InSecondsF()); - CHECK_EQ(static_cast<int64_t>(13), - TimeDelta::FromMilliseconds(13).InMilliseconds()); - CHECK_EQ(13.0, TimeDelta::FromMilliseconds(13).InMillisecondsF()); - CHECK_EQ(static_cast<int64_t>(13), - TimeDelta::FromMicroseconds(13).InMicroseconds()); -} - - -#if V8_OS_MACOSX -TEST(TimeDeltaFromMachTimespec) { - TimeDelta null = TimeDelta(); - CHECK(null == TimeDelta::FromMachTimespec(null.ToMachTimespec())); - TimeDelta delta1 = TimeDelta::FromMilliseconds(42); - CHECK(delta1 == TimeDelta::FromMachTimespec(delta1.ToMachTimespec())); - TimeDelta delta2 = TimeDelta::FromDays(42); - CHECK(delta2 == TimeDelta::FromMachTimespec(delta2.ToMachTimespec())); -} -#endif - - -TEST(TimeJsTime) { - Time t = Time::FromJsTime(700000.3); - CHECK_EQ(700000.3, t.ToJsTime()); -} - - -#if V8_OS_POSIX -TEST(TimeFromTimespec) { - Time null; - CHECK(null.IsNull()); - CHECK(null == Time::FromTimespec(null.ToTimespec())); - Time now = Time::Now(); - CHECK(now == Time::FromTimespec(now.ToTimespec())); - Time now_sys = Time::NowFromSystemTime(); - CHECK(now_sys == Time::FromTimespec(now_sys.ToTimespec())); - Time unix_epoch = Time::UnixEpoch(); - CHECK(unix_epoch == Time::FromTimespec(unix_epoch.ToTimespec())); - Time max = Time::Max(); - CHECK(max.IsMax()); - CHECK(max == Time::FromTimespec(max.ToTimespec())); -} - - -TEST(TimeFromTimeval) { - Time null; - CHECK(null.IsNull()); - CHECK(null == Time::FromTimeval(null.ToTimeval())); - Time now = Time::Now(); - CHECK(now == Time::FromTimeval(now.ToTimeval())); - Time now_sys = Time::NowFromSystemTime(); - CHECK(now_sys == Time::FromTimeval(now_sys.ToTimeval())); - Time unix_epoch = Time::UnixEpoch(); - CHECK(unix_epoch == Time::FromTimeval(unix_epoch.ToTimeval())); - Time max = Time::Max(); - CHECK(max.IsMax()); - CHECK(max == Time::FromTimeval(max.ToTimeval())); -} -#endif - - -#if V8_OS_WIN -TEST(TimeFromFiletime) { - Time null; - CHECK(null.IsNull()); - CHECK(null == Time::FromFiletime(null.ToFiletime())); - Time now = Time::Now(); - CHECK(now == Time::FromFiletime(now.ToFiletime())); - Time now_sys = Time::NowFromSystemTime(); - CHECK(now_sys == Time::FromFiletime(now_sys.ToFiletime())); - Time unix_epoch = Time::UnixEpoch(); - CHECK(unix_epoch == Time::FromFiletime(unix_epoch.ToFiletime())); - Time max = Time::Max(); - CHECK(max.IsMax()); - CHECK(max == Time::FromFiletime(max.ToFiletime())); -} -#endif - - -TEST(TimeTicksIsMonotonic) { - TimeTicks previous_normal_ticks; - TimeTicks previous_highres_ticks; - ElapsedTimer timer; - timer.Start(); - while (!timer.HasExpired(TimeDelta::FromMilliseconds(100))) { - TimeTicks normal_ticks = TimeTicks::Now(); - TimeTicks highres_ticks = TimeTicks::HighResolutionNow(); - CHECK_GE(normal_ticks, previous_normal_ticks); - CHECK_GE((normal_ticks - previous_normal_ticks).InMicroseconds(), 0); - CHECK_GE(highres_ticks, previous_highres_ticks); - CHECK_GE((highres_ticks - previous_highres_ticks).InMicroseconds(), 0); - previous_normal_ticks = normal_ticks; - previous_highres_ticks = highres_ticks; - } -} - - -template <typename T> -static void ResolutionTest(T (*Now)(), TimeDelta target_granularity) { - // We're trying to measure that intervals increment in a VERY small amount - // of time -- according to the specified target granularity. Unfortunately, - // if we happen to have a context switch in the middle of our test, the - // context switch could easily exceed our limit. So, we iterate on this - // several times. As long as we're able to detect the fine-granularity - // timers at least once, then the test has succeeded. - static const TimeDelta kExpirationTimeout = TimeDelta::FromSeconds(1); - ElapsedTimer timer; - timer.Start(); - TimeDelta delta; - do { - T start = Now(); - T now = start; - // Loop until we can detect that the clock has changed. Non-HighRes timers - // will increment in chunks, i.e. 15ms. By spinning until we see a clock - // change, we detect the minimum time between measurements. - do { - now = Now(); - delta = now - start; - } while (now <= start); - CHECK_NE(static_cast<int64_t>(0), delta.InMicroseconds()); - } while (delta > target_granularity && !timer.HasExpired(kExpirationTimeout)); - CHECK_LE(delta, target_granularity); -} - - -TEST(TimeNowResolution) { - // We assume that Time::Now() has at least 16ms resolution. - static const TimeDelta kTargetGranularity = TimeDelta::FromMilliseconds(16); - ResolutionTest<Time>(&Time::Now, kTargetGranularity); -} - - -TEST(TimeTicksNowResolution) { - // We assume that TimeTicks::Now() has at least 16ms resolution. - static const TimeDelta kTargetGranularity = TimeDelta::FromMilliseconds(16); - ResolutionTest<TimeTicks>(&TimeTicks::Now, kTargetGranularity); -} - - -TEST(TimeTicksHighResolutionNowResolution) { - if (!TimeTicks::IsHighResolutionClockWorking()) return; - - // We assume that TimeTicks::HighResolutionNow() has sub-ms resolution. - static const TimeDelta kTargetGranularity = TimeDelta::FromMilliseconds(1); - ResolutionTest<TimeTicks>(&TimeTicks::HighResolutionNow, kTargetGranularity); -} |