base/memory/memory_pressure_monitor_mac_unittest.cc

   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/memory/memory_pressure_monitor_mac.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace base {
  10 namespace mac {
  11
  12 class TestMemoryPressureMonitor : public MemoryPressureMonitor {
  13  public:
  14   using MemoryPressureMonitor::MemoryPressureLevelForMacMemoryPressure;
  15
  16   TestMemoryPressureMonitor() { }
  17
  18  private:
  19   DISALLOW_COPY_AND_ASSIGN(TestMemoryPressureMonitor);
  20 };
  21
  22 TEST(MacMemoryPressureMonitorTest, MemoryPressureFromMacMemoryPressure) {
  23   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
  24             TestMemoryPressureMonitor::
  25                 MemoryPressureLevelForMacMemoryPressure(
  26                     DISPATCH_MEMORYPRESSURE_NORMAL));
  27   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE,
  28             TestMemoryPressureMonitor::
  29                 MemoryPressureLevelForMacMemoryPressure(
  30                     DISPATCH_MEMORYPRESSURE_WARN));
  31   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL,
  32             TestMemoryPressureMonitor::
  33                 MemoryPressureLevelForMacMemoryPressure(
  34                     DISPATCH_MEMORYPRESSURE_CRITICAL));
  35   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
  36             TestMemoryPressureMonitor::
  37                 MemoryPressureLevelForMacMemoryPressure(0));
  38   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
  39             TestMemoryPressureMonitor::
  40                 MemoryPressureLevelForMacMemoryPressure(3));
  41   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
  42             TestMemoryPressureMonitor::
  43                 MemoryPressureLevelForMacMemoryPressure(5));
  44   EXPECT_EQ(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE,
  45             TestMemoryPressureMonitor::
  46                 MemoryPressureLevelForMacMemoryPressure(-1));
  47 }
  48
  49 TEST(MacMemoryPressureMonitorTest, CurrentMemoryPressure) {
  50   TestMemoryPressureMonitor monitor;
  51   MemoryPressureListener::MemoryPressureLevel memory_pressure =
  52       monitor.GetCurrentPressureLevel();
  53   EXPECT_TRUE(memory_pressure ==
  54                   MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE ||
  55               memory_pressure ==
  56                   MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE ||
  57               memory_pressure ==
  58                   MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
  59 }
  60
  61 }  // namespace mac
  62 }  // namespace base