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/event.h"
  16    :  
  17    :  #include "gmock/gmock.h"
  18    :  #include "gtest/gtest.h"
  19    :  #include "syzygy/bard/events/heap_alloc_event.h"
  20    :  #include "syzygy/bard/events/heap_create_event.h"
  21    :  #include "syzygy/bard/events/heap_destroy_event.h"
  22    :  #include "syzygy/bard/events/heap_free_event.h"
  23    :  #include "syzygy/bard/events/heap_realloc_event.h"
  24    :  #include "syzygy/bard/events/heap_set_information_event.h"
  25    :  #include "syzygy/bard/events/heap_size_event.h"
  26    :  
  27    :  namespace bard {
  28    :  
  29    :  // A template class for generating a test instance of an event. Specializations
  30    :  // for each event type are below.
  31    :  template <typename EventType>
  32    :  scoped_ptr<EventInterface> CreateTestEvent();
  33    :  
  34    :  template <>
  35  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapAllocEvent>() {
  36    :    return scoped_ptr<EventInterface>(
  37    :        new events::HeapAllocEvent(reinterpret_cast<HANDLE>(0x1000), 0x1, 47,
  38  E :                                   reinterpret_cast<LPVOID>(0x2000)));
  39  E :  }
  40    :  
  41    :  template <>
  42  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapCreateEvent>() {
  43    :    return scoped_ptr<EventInterface>(new events::HeapCreateEvent(
  44  E :        0, 100, 200, reinterpret_cast<HANDLE>(0x1000)));
  45  E :  }
  46    :  
  47    :  template <>
  48  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapDestroyEvent>() {
  49    :    return scoped_ptr<EventInterface>(
  50  E :        new events::HeapDestroyEvent(reinterpret_cast<HANDLE>(0x1000), true));
  51  E :  }
  52    :  
  53    :  template <>
  54  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapFreeEvent>() {
  55    :    return scoped_ptr<EventInterface>(
  56    :        new events::HeapFreeEvent(reinterpret_cast<HANDLE>(0x1000), 0,
  57  E :                                  reinterpret_cast<LPVOID>(0x2000), true));
  58  E :  }
  59    :  
  60    :  template <>
  61  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapReAllocEvent>() {
  62    :    return scoped_ptr<EventInterface>(new events::HeapReAllocEvent(
  63    :        reinterpret_cast<HANDLE>(0x1000), 0, reinterpret_cast<LPVOID>(0x2000),
  64  E :        123, reinterpret_cast<LPVOID>(0x3000)));
  65  E :  }
  66    :  
  67    :  template <>
  68  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapSetInformationEvent>() {
  69    :    return scoped_ptr<EventInterface>(new events::HeapSetInformationEvent(
  70    :        reinterpret_cast<HANDLE>(0x1000), static_cast<HEAP_INFORMATION_CLASS>(0),
  71  E :        reinterpret_cast<PVOID>(0x2000), 100, false));
  72  E :  }
  73    :  
  74    :  template <>
  75  E :  scoped_ptr<EventInterface> CreateTestEvent<events::HeapSizeEvent>() {
  76    :    return scoped_ptr<EventInterface>(
  77    :        new events::HeapSizeEvent(reinterpret_cast<HANDLE>(0x1000), 0,
  78  E :                                  reinterpret_cast<LPCVOID>(0x2000), 233));
  79  E :  }
  80    :  
  81    :  // Test helper for testing the EventInterface abstract serialization mechanism.
  82    :  template <typename EventType>
  83  E :  void EventSerializationTest() {
  84  E :    core::ByteVector bytes;
  85    :  
  86  E :    core::ScopedOutStreamPtr out_stream;
  87  E :    out_stream.reset(core::CreateByteOutStream(std::back_inserter(bytes)));
  88  E :    core::NativeBinaryOutArchive out_archive(out_stream.get());
  89  E :    scoped_ptr<EventInterface> e0 = CreateTestEvent<EventType>();
  90  E :    EXPECT_TRUE(EventInterface::Save(e0.get(), &out_archive));
  91  E :    EXPECT_TRUE(out_archive.Flush());
  92    :  
  93  E :    core::ScopedInStreamPtr in_stream;
  94  E :    in_stream.reset(core::CreateByteInStream(bytes.begin(), bytes.end()));
  95  E :    core::NativeBinaryInArchive in_archive(in_stream.get());
  96  E :    scoped_ptr<EventInterface> e1 = EventInterface::Load(&in_archive).Pass();
  97  E :    EXPECT_NE(static_cast<EventInterface*>(nullptr), e1.get());
  98    :  
  99  E :    EXPECT_TRUE(e0->Equals(e1.get()));
 100  E :  }
 101    :  
 102    :  // Test abstract serialization of each event type.
 103  E :  TEST(EventInterfaceTest, AbstractSerialization) {
 104  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapAllocEvent>());
 105  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapCreateEvent>());
 106  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapDestroyEvent>());
 107  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapFreeEvent>());
 108  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapReAllocEvent>());
 109    :    EXPECT_NO_FATAL_FAILURE(
 110  E :        EventSerializationTest<events::HeapSetInformationEvent>());
 111  E :    EXPECT_NO_FATAL_FAILURE(EventSerializationTest<events::HeapSizeEvent>());
 112    :  
 113    :    static_assert(static_cast<int>(EventInterface::kHeapSizeEvent + 1) ==
 114    :                      static_cast<int>(EventInterface::kMaxEventType),
 115    :                  "all event types must be tested");
 116  E :  }
 117    :  
 118    :  }  // namespace bard