diff options
Diffstat (limited to 'chrome/browser/private_working_set_snapshot_win_unittest.cc')
-rw-r--r-- | chrome/browser/private_working_set_snapshot_win_unittest.cc | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/chrome/browser/private_working_set_snapshot_win_unittest.cc b/chrome/browser/private_working_set_snapshot_win_unittest.cc deleted file mode 100644 index f77f034..0000000 --- a/chrome/browser/private_working_set_snapshot_win_unittest.cc +++ /dev/null @@ -1,52 +0,0 @@ -// Copyright 2015 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. - -#include "chrome/browser/private_working_set_snapshot.h" - -#include "base/win/windows_version.h" -#include "testing/gtest/include/gtest/gtest.h" - -using PrivateWorkingSetSnapshotWinTest = testing::Test; - -TEST_F(PrivateWorkingSetSnapshotWinTest, FindPidSelfTest) { - // The Pdh APIs are supported on Windows XP, but the "Working Set - Private" - // counter that PrivateWorkingSetSnapshot depends on is not defined until - // Windows Vista. Early-out to avoid test failure. - if (base::win::GetVersion() < base::win::VERSION_VISTA) - return; - - // Sample this process. - base::ProcessId pid = base::GetCurrentProcId(); - - PrivateWorkingSetSnapshot private_ws_snapshot; - - private_ws_snapshot.AddToMonitorList("unit_tests"); - private_ws_snapshot.Sample(); - - size_t private_ws = private_ws_snapshot.GetPrivateWorkingSet(pid); - // Private working set is difficult to predict but should be at least several - // MB. Initial tests show a value of 19+ MB depending on how many tests and - // processes are used. Anomalously small or large values would warrant - // investigation. - EXPECT_GT(private_ws, 2000000u); - // Check that the WS is less than 500 MB. This is set very high to reduce the - // chance that unrelated changes could ever make this fail. This mostly just - // checks against some uncaught error that might return 0xFFFFFFFF. - EXPECT_LT(private_ws, 500000000u); - - // Allocate and touch a large block of memory (vector's constructor will zero - // every entry). This will increase the private working set. - const size_t alloc_size = 10000000; - std::vector<char> big_memory(alloc_size); - - size_t private_ws2 = private_ws_snapshot.GetPrivateWorkingSet(pid); - EXPECT_EQ(private_ws, private_ws2) << "GetPrivateWorkingSet should be " - "consistent until the next call to " - "Sample()"; - - private_ws_snapshot.Sample(); - size_t private_ws3 = private_ws_snapshot.GetPrivateWorkingSet(pid); - EXPECT_GT(private_ws3, private_ws2 + alloc_size / 2) - << "GetPrivateWorkingSet should increase as we allocate more memory"; -} |