Index: chrome/browser/private_working_set_snapshot_win_unittest.cc |
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 ccc2e01801efd529cf2a871e1368d8d8b8cf04cd..0000000000000000000000000000000000000000 |
--- a/chrome/browser/private_working_set_snapshot_win_unittest.cc |
+++ /dev/null |
@@ -1,66 +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 <stddef.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 and above, but the "Working Set - |
- // Private" counter that PrivateWorkingSetSnapshot depends on is not defined |
- // until Windows Vista and is not reliable until Windows 7. 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); |
- if (private_ws == 0) { |
- // The Pdh APIs which PrivateWorkingSetSnapshot depends on are flaky and |
- // sometimes (~5% of the time on win_chromium_rel_ng) give back a result of |
- // zero. This is handled seamlessly in task manager by falling back to the |
- // old calculations so it is not a critical failure. Checking for this case |
- // and skipping the test stops flaky-test failures. |
- return; |
- } |
- |
- // 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 1500 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. When run |
- // under Dr Memory the private working set was seen to be about 850 MB, which |
- // is why such a high threshold has been chosen. |
- EXPECT_LT(private_ws, 1500000000u); |
- |
- // 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"; |
-} |