1    :  // Copyright 2013 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/pe/pe_coff_relinker.h"
  16    :  
  17    :  #include "base/files/file_util.h"
  18    :  #include "gmock/gmock.h"
  19    :  #include "gtest/gtest.h"
  20    :  #include "syzygy/block_graph/unittest_util.h"
  21    :  #include "syzygy/common/defs.h"
  22    :  #include "syzygy/core/unittest_util.h"
  23    :  #include "syzygy/pe/unittest_util.h"
  24    :  
  25    :  namespace pe {
  26    :  namespace {
  27    :  
  28    :  using block_graph::BlockGraph;
  29    :  using block_graph::BlockGraphOrdererInterface;
  30    :  using block_graph::BlockGraphTransformInterface;
  31    :  using block_graph::OrderedBlockGraph;
  32    :  using block_graph::TransformPolicyInterface;
  33    :  
  34    :  class TestPECoffRelinker : public PECoffRelinker {
  35    :   public:
  36  E :    explicit TestPECoffRelinker(const TransformPolicyInterface* transform_policy)
  37    :        : PECoffRelinker(transform_policy) {
  38  E :    }
  39    :  
  40    :    using PECoffRelinker::transforms_;
  41    :    using PECoffRelinker::orderers_;
  42    :  
  43  i :    virtual ImageFormat image_format() const override {
  44  i :      return BlockGraph::PE_IMAGE;
  45  i :    }
  46    :  
  47  i :    virtual bool Init() override { return true; }
  48  i :    virtual bool Relink() override { return true; }
  49    :  };
  50    :  
  51    :  class MockTransform : public BlockGraphTransformInterface {
  52    :   public:
  53  i :    const char* name() const { return "MockTransform"; }
  54    :    MOCK_METHOD3(TransformBlockGraph,
  55    :                 bool(const TransformPolicyInterface*,
  56    :                      BlockGraph*,
  57  i :                      BlockGraph::Block*));
  58    :  };
  59    :  
  60    :  class MockOrderer : public BlockGraphOrdererInterface {
  61    :   public:
  62  i :    const char* name() const { return "MockOrderer"; }
  63  i :    MOCK_METHOD2(OrderBlockGraph, bool(OrderedBlockGraph*, BlockGraph::Block*));
  64    :  };
  65    :  
  66    :  }  // namespace
  67    :  
  68  E :  TEST(PECoffRelinkerTest, Properties) {
  69  E :    testing::DummyTransformPolicy policy;
  70  E :    TestPECoffRelinker relinker(&policy);
  71  E :    base::FilePath dummy_path(L"foo");
  72    :  
  73  E :    EXPECT_EQ(base::FilePath(), relinker.input_path());
  74  E :    relinker.set_input_path(dummy_path);
  75  E :    EXPECT_EQ(dummy_path, relinker.input_path());
  76    :  
  77  E :    EXPECT_EQ(base::FilePath(), relinker.output_path());
  78  E :    relinker.set_output_path(dummy_path);
  79  E :    EXPECT_EQ(dummy_path, relinker.output_path());
  80    :  
  81  E :    EXPECT_FALSE(relinker.allow_overwrite());
  82  E :    relinker.set_allow_overwrite(true);
  83  E :    EXPECT_TRUE(relinker.allow_overwrite());
  84  E :    relinker.set_allow_overwrite(false);
  85  E :    EXPECT_FALSE(relinker.allow_overwrite());
  86  E :  }
  87    :  
  88  E :  TEST(PECoffRelinkerTest, AppendTransforms) {
  89  E :    testing::DummyTransformPolicy policy;
  90  E :    TestPECoffRelinker relinker(&policy);
  91    :  
  92  E :    MockTransform transform1, transform2;
  93  E :    std::vector<BlockGraphTransformInterface*> transforms;
  94  E :    transforms.push_back(&transform2);
  95    :  
  96  E :    relinker.AppendTransform(&transform1);
  97  E :    relinker.AppendTransforms(transforms);
  98    :  
  99  E :    std::vector<BlockGraphTransformInterface*> expected;
 100  E :    expected.push_back(&transform1);
 101  E :    expected.push_back(&transform2);
 102    :  
 103  E :    EXPECT_EQ(expected, relinker.transforms_);
 104  E :  }
 105    :  
 106  E :  TEST(PECoffRelinkerTest, AppendOrderers) {
 107  E :    testing::DummyTransformPolicy policy;
 108  E :    TestPECoffRelinker relinker(&policy);
 109    :  
 110  E :    MockOrderer orderer1, orderer2;
 111  E :    std::vector<BlockGraphOrdererInterface*> orderers;
 112  E :    orderers.push_back(&orderer2);
 113    :  
 114  E :    relinker.AppendOrderer(&orderer1);
 115  E :    relinker.AppendOrderers(orderers);
 116    :  
 117  E :    std::vector<BlockGraphOrdererInterface*> expected;
 118  E :    expected.push_back(&orderer1);
 119  E :    expected.push_back(&orderer2);
 120    :  
 121  E :    EXPECT_EQ(expected, relinker.orderers_);
 122  E :  }
 123    :  
 124    :  }  // namespace pe