1    :  // Copyright 2015 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/bard/events/heap_realloc_event.h"
  16    :  
  17    :  #include "gmock/gmock.h"
  18    :  #include "gtest/gtest.h"
  19    :  #include "syzygy/bard/unittest_util.h"
  20    :  #include "syzygy/bard/backdrops/heap_backdrop.h"
  21    :  
  22    :  namespace bard {
  23    :  namespace events {
  24    :  
  25    :  namespace {
  26    :  
  27    :  using bard::backdrops::HeapBackdrop;
  28    :  using bard::events::HeapReAllocEvent;
  29    :  using testing::Return;
  30    :  
  31    :  const HANDLE kLiveHeap = reinterpret_cast<HANDLE>(0x4197FC83);
  32    :  const HANDLE kTraceHeap = reinterpret_cast<HANDLE>(0xAB12CD34);
  33    :  const LPVOID kLiveAlloc = reinterpret_cast<LPVOID>(0x4820BC7A);
  34    :  const LPVOID kTraceAlloc = reinterpret_cast<LPVOID>(0xF1D97AE4);
  35    :  const LPVOID kTraceReAlloc = reinterpret_cast<LPVOID>(0x12345678);
  36    :  const LPVOID kLiveReAlloc = reinterpret_cast<LPVOID>(0x87654321);
  37    :  const DWORD kFlags = 0;
  38    :  const SIZE_T kBytes = 100;
  39    :  
  40    :  class HeapReAllocEventTest : public testing::Test {
  41    :   public:
  42    :    HeapReAllocEventTest()
  43  E :        : heap_realloc_event_(0,
  44    :                              kTraceHeap,
  45    :                              kFlags,
  46    :                              kTraceAlloc,
  47    :                              kBytes,
  48  E :                              kTraceReAlloc) {}
  49    :  
  50  E :    MOCK_METHOD4(FakeCall, LPVOID(HANDLE, DWORD, LPVOID, SIZE_T));
  51    :  
  52  E :    void SetUp() override {
  53  E :      backdrop_.heap_map().AddMapping(kTraceHeap, kLiveHeap);
  54  E :      backdrop_.alloc_map().AddMapping(kTraceAlloc, kLiveAlloc);
  55    :  
  56  E :      backdrop_.set_heap_realloc(
  57    :          base::Bind(&HeapReAllocEventTest::FakeCall, base::Unretained(this)));
  58  E :    }
  59    :  
  60    :   protected:
  61    :    HeapReAllocEvent heap_realloc_event_;
  62    :    HeapBackdrop backdrop_;
  63    :  };
  64    :  
  65    :  }  // namespace
  66    :  
  67  E :  TEST_F(HeapReAllocEventTest, TestSuccessCall) {
  68    :    EXPECT_CALL(*this, FakeCall(kLiveHeap, kFlags, kLiveAlloc, kBytes))
  69  E :        .WillOnce(Return(kLiveReAlloc));
  70    :  
  71  E :    EXPECT_TRUE(heap_realloc_event_.Play(reinterpret_cast<void*>(&backdrop_)));
  72    :  
  73  E :    testing::CheckTraceLiveMapNotContain(backdrop_.alloc_map(),
  74    :                                         kTraceAlloc,
  75    :                                         kLiveAlloc);
  76  E :    testing::CheckTraceLiveMapContains(backdrop_.alloc_map(),
  77    :                                       kTraceReAlloc,
  78    :                                       kLiveReAlloc);
  79  E :  }
  80    :  
  81  E :  TEST_F(HeapReAllocEventTest, TestFailCall) {
  82    :    EXPECT_CALL(*this, FakeCall(kLiveHeap, kFlags, kLiveAlloc, kBytes))
  83  E :        .WillOnce(Return(nullptr));
  84    :  
  85  E :    EXPECT_FALSE(heap_realloc_event_.Play(reinterpret_cast<void*>(&backdrop_)));
  86    :  
  87  E :    testing::CheckTraceLiveMapContains(backdrop_.alloc_map(),
  88    :                                       kTraceAlloc,
  89    :                                       kLiveAlloc);
  90  E :    testing::CheckTraceLiveMapNotContain(backdrop_.alloc_map(),
  91    :                                         kTraceReAlloc,
  92    :                                         kLiveReAlloc);
  93  E :  }
  94    :  
  95  E :  TEST_F(HeapReAllocEventTest, Equals) {
  96  E :    HeapReAllocEvent e1(0, kTraceHeap, kFlags, kTraceAlloc, kBytes,
  97    :                        kTraceReAlloc);
  98  E :    HeapReAllocEvent e2(0, kTraceHeap, kFlags, kTraceAlloc, kBytes,
  99    :                        kTraceReAlloc);
 100  E :    HeapReAllocEvent e3(0, kTraceHeap, kFlags + 1, kTraceAlloc, kBytes,
 101    :                        kTraceReAlloc);
 102  E :    EXPECT_TRUE(e1.Equals(&e1));
 103  E :    EXPECT_TRUE(e1.Equals(&e2));
 104  E :    EXPECT_FALSE(e1.Equals(&e3));
 105  E :    EXPECT_FALSE(e2.Equals(&e3));
 106  E :  }
 107    :  
 108  E :  TEST_F(HeapReAllocEventTest, TestSerialization) {
 109  E :    testing::TestEventSerialization(heap_realloc_event_);
 110  E :  }
 111    :  
 112    :  }  // namespace events
 113    :  }  // namespace bard