base/trace_event/process_memory_totals_dump_provider_unittest.cc - Issue 951673002: Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b"

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Side by Side Diff: base/trace_event/process_memory_totals_dump_provider_unittest.cc

Issue 951673002: Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b" (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 5 years, 10 months ago

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1 // Copyright 2015 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "base/trace_event/process_memory_totals_dump_provider.h"

6

7 #include "base/trace_event/process_memory_dump.h"

8 #include "base/trace_event/process_memory_totals.h"

9 #include "testing/gtest/include/gtest/gtest.h"

10

11 namespace base {

12 namespace trace_event {

13

14 TEST(ProcessMemoryTotalsDumpProviderTest, DumpRSS) {

15 auto mdptp = ProcessMemoryTotalsDumpProvider::GetInstance();

16 scoped_ptr<ProcessMemoryDump> pmd_before(new ProcessMemoryDump());

17 scoped_ptr<ProcessMemoryDump> pmd_after(new ProcessMemoryDump());

18

19 ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing = 1024;

20 mdptp->DumpInto(pmd_before.get());

21

22 // Pretend that the RSS of the process increased of +1M.

23 const size_t kAllocSize = 1048576;

24 ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing += kAllocSize;

25

26 mdptp->DumpInto(pmd_after.get());

27

28 ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing = 0;

29

30 ASSERT_TRUE(pmd_before->has_process_totals());

31 ASSERT_TRUE(pmd_after->has_process_totals());

32

33 const uint64 rss_before = pmd_before->process_totals()->resident_set_bytes();

34 const uint64 rss_after = pmd_after->process_totals()->resident_set_bytes();

35

36 EXPECT_NE(0U, rss_before);

37 EXPECT_NE(0U, rss_after);

38

39 EXPECT_EQ(rss_after - rss_before, kAllocSize);

40 }

41

42 } // namespace trace_Event

43 } // namespace base

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