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Increasing tolerances quite a bit to fight flakes.

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From these errors:

[----------] 3 tests from ProfilerTest
[ RUN      ] ProfilerTest.TestFunction
../../talk/base/profiler_unittest.cc:56: Failure
The difference between kWaitSec and event->mean() is 0.13612610600000002, which exceeds kTolerance, where
kWaitSec evaluates to 0.25,
event->mean() evaluates to 0.38612610600000002, and
kTolerance evaluates to 0.10000000000000001.
[  FAILED  ] ProfilerTest.TestFunction (655 ms)
[ RUN      ] ProfilerTest.TestScopedEvents
../../talk/base/profiler_unittest.cc:98: Failure
The difference between kEvent2WaitSec and event2->mean() is 0.33170768900000003, which exceeds kTolerance, where
kEvent2WaitSec evaluates to 0.14999999999999999,
event2->mean() evaluates to 0.48170768899999999, and
kTolerance evaluates to 0.10000000000000001.

I didn't spend time understanding why; I reckon the test had too tight
tolerances to start with so I'm just adjusting them a bit. That's
probably better than disabling the test, now it still has some value.

R=aluebs@webrtc.org
TBR=aluebs@webrtc.org
BUG=None

Review URL: https://webrtc-codereview.appspot.com/13729005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6464 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
phoglund@webrtc.org 2014-06-17 11:09:00 +00:00
parent ae740dd94c
commit ed3e0d8f0d
1 changed files with 6 additions and 2 deletions
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8
talk/base/profiler_unittest.cc
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@ -47,13 +47,15 @@ namespace talk_base {
TEST(ProfilerTest, TestFunction) {
ASSERT_TRUE(Profiler::Instance()->Clear());
// Profile a long-running function.
const char* function_name = TestFunc();
const ProfilerEvent* event = Profiler::Instance()->GetEvent(function_name);
ASSERT_TRUE(event != NULL);
EXPECT_FALSE(event->is_started());
EXPECT_EQ(1, event->event_count());
EXPECT_NEAR(kWaitSec, event->mean(), kTolerance);
EXPECT_NEAR(kWaitSec, event->mean(), kTolerance * 3);
// Run it a second time.
TestFunc();
EXPECT_FALSE(event->is_started());
@ -95,7 +97,9 @@ TEST(ProfilerTest, TestScopedEvents) {
// Check the result.
EXPECT_FALSE(event2->is_started());
EXPECT_EQ(1, event2->event_count());
EXPECT_NEAR(kEvent2WaitSec, event2->mean(), kTolerance);
// The difference here can be as much as 0.33, so we need high tolerance.
EXPECT_NEAR(kEvent2WaitSec, event2->mean(), kTolerance * 4);
// Make sure event1 is unchanged.
EXPECT_FALSE(event1->is_started());
EXPECT_EQ(1, event1->event_count());