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    :        : heap_realloc_event_(kTraceHeap,
  44    :                              kFlags,
  45    :                              kTraceAlloc,
  46    :                              kBytes,
  47  E :                              kTraceReAlloc) {}
  48    :  
  49  E :    MOCK_METHOD4(FakeCall, LPVOID(HANDLE, DWORD, LPVOID, SIZE_T));
  50    :  
  51  E :    void SetUp() override {
  52  E :      backdrop_.heap_map().AddMapping(kTraceHeap, kLiveHeap);
  53  E :      backdrop_.alloc_map().AddMapping(kTraceAlloc, kLiveAlloc);
  54    :  
  55    :      backdrop_.set_heap_realloc(
  56  E :          base::Bind(&HeapReAllocEventTest::FakeCall, base::Unretained(this)));
  57  E :    }
  58    :  
  59    :   protected:
  60    :    HeapReAllocEvent heap_realloc_event_;
  61    :    HeapBackdrop backdrop_;
  62    :  };
  63    :  
  64    :  }  // namespace
  65    :  
  66  E :  TEST_F(HeapReAllocEventTest, TestSuccessCall) {
  67    :    EXPECT_CALL(*this, FakeCall(kLiveHeap, kFlags, kLiveAlloc, kBytes))
  68  E :        .WillOnce(Return(kLiveReAlloc));
  69    :  
  70  E :    EXPECT_TRUE(heap_realloc_event_.Play(reinterpret_cast<void*>(&backdrop_)));
  71    :  
  72    :    testing::CheckTraceLiveMapNotContain(backdrop_.alloc_map(),
  73    :                                         kTraceAlloc,
  74  E :                                         kLiveAlloc);
  75    :    testing::CheckTraceLiveMapContains(backdrop_.alloc_map(),
  76    :                                       kTraceReAlloc,
  77  E :                                       kLiveReAlloc);
  78  E :  }
  79    :  
  80  E :  TEST_F(HeapReAllocEventTest, TestFailCall) {
  81    :    EXPECT_CALL(*this, FakeCall(kLiveHeap, kFlags, kLiveAlloc, kBytes))
  82  E :        .WillOnce(Return(nullptr));
  83    :  
  84  E :    EXPECT_FALSE(heap_realloc_event_.Play(reinterpret_cast<void*>(&backdrop_)));
  85    :  
  86    :    testing::CheckTraceLiveMapContains(backdrop_.alloc_map(),
  87    :                                       kTraceAlloc,
  88  E :                                       kLiveAlloc);
  89    :    testing::CheckTraceLiveMapNotContain(backdrop_.alloc_map(),
  90    :                                         kTraceReAlloc,
  91  E :                                         kLiveReAlloc);
  92  E :  }
  93    :  
  94  E :  TEST_F(HeapReAllocEventTest, Equals) {
  95  E :    HeapReAllocEvent e1(kTraceHeap, kFlags, kTraceAlloc, kBytes, kTraceReAlloc);
  96  E :    HeapReAllocEvent e2(kTraceHeap, kFlags, kTraceAlloc, kBytes, kTraceReAlloc);
  97    :    HeapReAllocEvent e3(kTraceHeap, kFlags + 1, kTraceAlloc, kBytes,
  98  E :                        kTraceReAlloc);
  99  E :    EXPECT_TRUE(e1.Equals(&e1));
 100  E :    EXPECT_TRUE(e1.Equals(&e2));
 101  E :    EXPECT_FALSE(e1.Equals(&e3));
 102  E :    EXPECT_FALSE(e2.Equals(&e3));
 103  E :  }
 104    :  
 105  E :  TEST_F(HeapReAllocEventTest, TestSerialization) {
 106  E :    testing::TestEventSerialization(heap_realloc_event_);
 107  E :  }
 108    :  
 109    :  }  // namespace events
 110    :  }  // namespace bard