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Diffstat (limited to 'base/profiler/tracked_time_unittest.cc')
-rw-r--r-- | base/profiler/tracked_time_unittest.cc | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/base/profiler/tracked_time_unittest.cc b/base/profiler/tracked_time_unittest.cc deleted file mode 100644 index fee4ba6..0000000 --- a/base/profiler/tracked_time_unittest.cc +++ /dev/null @@ -1,111 +0,0 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Test of classes in tracked_time.cc - -#include "base/profiler/tracked_time.h" -#include "base/time.h" -#include "base/tracked_objects.h" -#include "testing/gtest/include/gtest/gtest.h" - -namespace tracked_objects { - -TEST(TrackedTimeTest, TrackedTimerMilliseconds) { - // First make sure we basicallly transfer simple milliseconds values as - // expected. Most critically, things should not become null. - int32 kSomeMilliseconds = 243; // Some example times. - int64 kReallyBigMilliseconds = (1LL << 35) + kSomeMilliseconds; - - TrackedTime some = TrackedTime() + - Duration::FromMilliseconds(kSomeMilliseconds); - EXPECT_EQ(kSomeMilliseconds, (some - TrackedTime()).InMilliseconds()); - EXPECT_FALSE(some.is_null()); - - // Now create a big time, to check that it is wrapped modulo 2^32. - base::TimeTicks big = base::TimeTicks() + - base::TimeDelta::FromMilliseconds(kReallyBigMilliseconds); - EXPECT_EQ(kReallyBigMilliseconds, (big - base::TimeTicks()).InMilliseconds()); - - TrackedTime wrapped_big(big); -#if defined(USE_FAST_TIME_CLASS_FOR_DURATION_CALCULATIONS) - // Expect wrapping at 32 bits. - EXPECT_EQ(kSomeMilliseconds, (wrapped_big - TrackedTime()).InMilliseconds()); -#else // !USE_FAST_TIME_CLASS_FOR_DURATION_CALCULATIONS) - // Expect no wrapping at 32 bits. - EXPECT_EQ(kReallyBigMilliseconds, - (wrapped_big - TrackedTime()).InMilliseconds()); -#endif // USE_FAST_TIME_CLASS_FOR_DURATION_CALCULATIONS) -} - -TEST(TrackedTimeTest, TrackedTimerDuration) { - int kFirstMilliseconds = 793; - int kSecondMilliseconds = 14889; - - Duration first = Duration::FromMilliseconds(kFirstMilliseconds); - Duration second = Duration::FromMilliseconds(kSecondMilliseconds); - - EXPECT_EQ(kFirstMilliseconds, first.InMilliseconds()); - EXPECT_EQ(kSecondMilliseconds, second.InMilliseconds()); - - Duration sum = first + second; - EXPECT_EQ(kFirstMilliseconds + kSecondMilliseconds, sum.InMilliseconds()); -} - -TEST(TrackedTimeTest, TrackedTimerVsTimeTicks) { - // Make sure that our 32 bit timer is aligned with the TimeTicks() timer. - - // First get a 64 bit timer (which should not be null). - base::TimeTicks ticks_before = base::TimeTicks::Now(); - EXPECT_FALSE(ticks_before.is_null()); - - // Then get a 32 bit timer that can be be null when it wraps. - TrackedTime now = TrackedTime::Now(); - - // Then get a bracketing time. - base::TimeTicks ticks_after = base::TimeTicks::Now(); - EXPECT_FALSE(ticks_after.is_null()); - - // Now make sure that we bracketed our tracked time nicely. - Duration before = now - TrackedTime(ticks_before); - EXPECT_LE(0, before.InMilliseconds()); - Duration after = now - TrackedTime(ticks_after); - EXPECT_GE(0, after.InMilliseconds()); -} - -TEST(TrackedTimeTest, TrackedTimerDisabled) { - // Check to be sure disabling the collection of data induces a null time - // (which we know will return much faster). - if (!ThreadData::InitializeAndSetTrackingStatus(false)) - return; - // Since we disabled tracking, we should get a null response. - TrackedTime track_now = ThreadData::Now(); - EXPECT_TRUE(track_now.is_null()); -} - -TEST(TrackedTimeTest, TrackedTimerEnabled) { - if (!ThreadData::InitializeAndSetTrackingStatus(true)) - return; - // Make sure that when we enable tracking, we get a real timer result. - - // First get a 64 bit timer (which should not be null). - base::TimeTicks ticks_before = base::TimeTicks::Now(); - EXPECT_FALSE(ticks_before.is_null()); - - // Then get a 32 bit timer that can be null when it wraps. - // Crtical difference from the TrackedTimerVsTimeTicks test, is that we use - // ThreadData::Now(). It can sometimes return the null time. - TrackedTime now = ThreadData::Now(); - - // Then get a bracketing time. - base::TimeTicks ticks_after = base::TimeTicks::Now(); - EXPECT_FALSE(ticks_after.is_null()); - - // Now make sure that we bracketed our tracked time nicely. - Duration before = now - TrackedTime(ticks_before); - EXPECT_LE(0, before.InMilliseconds()); - Duration after = now - TrackedTime(ticks_after); - EXPECT_GE(0, after.InMilliseconds()); -} - -} // namespace tracked_objects |