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