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Unified Diff: base/chromeos/memory_pressure_monitor_chromeos_unittest.cc

Issue 1124163003: Rename OS-specific MemoryPressureMonitor implementations. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix compile error on ChromeOS. Created 5 years, 7 months ago
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Index: base/chromeos/memory_pressure_monitor_chromeos_unittest.cc
diff --git a/base/chromeos/memory_pressure_monitor_chromeos_unittest.cc b/base/chromeos/memory_pressure_monitor_chromeos_unittest.cc
deleted file mode 100644
index 72e00d37d7fbc604fd0885e0df33744983c70aa6..0000000000000000000000000000000000000000
--- a/base/chromeos/memory_pressure_monitor_chromeos_unittest.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright 2014 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 "base/basictypes.h"
-#include "base/chromeos/memory_pressure_monitor_chromeos.h"
-#include "base/memory/memory_pressure_listener.h"
-#include "base/message_loop/message_loop.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-
-namespace {
-
-// True if the memory notifier got called.
-// Do not read/modify value directly.
-bool on_memory_pressure_called = false;
-
-// If the memory notifier got called, this is the memory pressure reported.
-MemoryPressureListener::MemoryPressureLevel on_memory_pressure_level =
- MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE;
-
-// Processes OnMemoryPressure calls.
-void OnMemoryPressure(MemoryPressureListener::MemoryPressureLevel level) {
- on_memory_pressure_called = true;
- on_memory_pressure_level = level;
-}
-
-// Resets the indicator for memory pressure.
-void ResetOnMemoryPressureCalled() {
- on_memory_pressure_called = false;
-}
-
-// Returns true when OnMemoryPressure was called (and resets it).
-bool WasOnMemoryPressureCalled() {
- bool b = on_memory_pressure_called;
- ResetOnMemoryPressureCalled();
- return b;
-}
-
-} // namespace
-
-class TestMemoryPressureMonitor : public MemoryPressureMonitorChromeOS {
- public:
- TestMemoryPressureMonitor() :
- MemoryPressureMonitorChromeOS(
- MemoryPressureMonitorChromeOS::THRESHOLD_DEFAULT),
- memory_in_percent_override_(0) {
- // Disable any timers which are going on and set a special memory reporting
- // function.
- StopObserving();
- }
- ~TestMemoryPressureMonitor() override {}
-
- void SetMemoryInPercentOverride(int percent) {
- memory_in_percent_override_ = percent;
- }
-
- void CheckMemoryPressureForTest() {
- CheckMemoryPressure();
- }
-
- private:
- int GetUsedMemoryInPercent() override {
- return memory_in_percent_override_;
- }
-
- int memory_in_percent_override_;
- DISALLOW_COPY_AND_ASSIGN(TestMemoryPressureMonitor);
-};
-
-// This test tests the various transition states from memory pressure, looking
-// for the correct behavior on event reposting as well as state updates.
-TEST(MemoryPressureMonitorChromeOSTest, CheckMemoryPressure) {
- base::MessageLoopForUI message_loop;
- scoped_ptr<TestMemoryPressureMonitor> monitor(
- new TestMemoryPressureMonitor);
- scoped_ptr<MemoryPressureListener> listener(
- new MemoryPressureListener(base::Bind(&OnMemoryPressure)));
- // Checking the memory pressure while 0% are used should not produce any
- // events.
- monitor->SetMemoryInPercentOverride(0);
- ResetOnMemoryPressureCalled();
-
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_FALSE(WasOnMemoryPressureCalled());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
- monitor->GetCurrentPressureLevel());
-
- // Setting the memory level to 80% should produce a moderate pressure level.
- monitor->SetMemoryInPercentOverride(80);
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_TRUE(WasOnMemoryPressureCalled());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- monitor->GetCurrentPressureLevel());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- on_memory_pressure_level);
-
- // We need to check that the event gets reposted after a while.
- int i = 0;
- for (; i < 100; i++) {
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- monitor->GetCurrentPressureLevel());
- if (WasOnMemoryPressureCalled()) {
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- on_memory_pressure_level);
- break;
- }
- }
- // Should be more then 5 and less then 100.
- EXPECT_LE(5, i);
- EXPECT_GE(99, i);
-
- // Setting the memory usage to 99% should produce critical levels.
- monitor->SetMemoryInPercentOverride(99);
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_TRUE(WasOnMemoryPressureCalled());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL,
- on_memory_pressure_level);
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL,
- monitor->GetCurrentPressureLevel());
-
- // Calling it again should immediately produce a second call.
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_TRUE(WasOnMemoryPressureCalled());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL,
- on_memory_pressure_level);
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL,
- monitor->GetCurrentPressureLevel());
-
- // When lowering the pressure again we should not get an event, but the
- // pressure should go back to moderate.
- monitor->SetMemoryInPercentOverride(80);
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_FALSE(WasOnMemoryPressureCalled());
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- monitor->GetCurrentPressureLevel());
-
- // We should need exactly the same amount of calls as before, before the next
- // call comes in.
- int j = 0;
- for (; j < 100; j++) {
- monitor->CheckMemoryPressureForTest();
- message_loop.RunUntilIdle();
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- monitor->GetCurrentPressureLevel());
- if (WasOnMemoryPressureCalled()) {
- EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
- on_memory_pressure_level);
- break;
- }
- }
- // We should have needed exactly the same amount of checks as before.
- EXPECT_EQ(j, i);
-}
-
-} // namespace base

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