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/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 { return PE_IMAGE; }
  44    :  
  45  i :    virtual bool Init() OVERRIDE { return true; }
  46  i :    virtual bool Relink() OVERRIDE { return true; }
  47    :  };
  48    :  
  49    :  class MockTransform : public BlockGraphTransformInterface {
  50    :   public:
  51  i :    const char* name() const { return "MockTransform"; }
  52    :    MOCK_METHOD3(TransformBlockGraph,
  53    :                 bool(const TransformPolicyInterface*,
  54    :                      BlockGraph*,
  55  i :                      BlockGraph::Block*));
  56    :  };
  57    :  
  58    :  class MockOrderer : public BlockGraphOrdererInterface {
  59    :   public:
  60  i :    const char* name() const { return "MockOrderer"; }
  61  i :    MOCK_METHOD2(OrderBlockGraph, bool(OrderedBlockGraph*, BlockGraph::Block*));
  62    :  };
  63    :  
  64    :  }  // namespace
  65    :  
  66  E :  TEST(PECoffRelinkerTest, Properties) {
  67  E :    testing::DummyTransformPolicy policy;
  68  E :    TestPECoffRelinker relinker(&policy);
  69  E :    base::FilePath dummy_path(L"foo");
  70    :  
  71  E :    EXPECT_EQ(base::FilePath(), relinker.input_path());
  72  E :    relinker.set_input_path(dummy_path);
  73  E :    EXPECT_EQ(dummy_path, relinker.input_path());
  74    :  
  75  E :    EXPECT_EQ(base::FilePath(), relinker.output_path());
  76  E :    relinker.set_output_path(dummy_path);
  77  E :    EXPECT_EQ(dummy_path, relinker.output_path());
  78    :  
  79  E :    EXPECT_FALSE(relinker.allow_overwrite());
  80  E :    relinker.set_allow_overwrite(true);
  81  E :    EXPECT_TRUE(relinker.allow_overwrite());
  82  E :    relinker.set_allow_overwrite(false);
  83  E :    EXPECT_FALSE(relinker.allow_overwrite());
  84  E :  }
  85    :  
  86  E :  TEST(PECoffRelinkerTest, AppendTransforms) {
  87  E :    testing::DummyTransformPolicy policy;
  88  E :    TestPECoffRelinker relinker(&policy);
  89    :  
  90  E :    MockTransform transform1, transform2;
  91  E :    std::vector<BlockGraphTransformInterface*> transforms;
  92  E :    transforms.push_back(&transform2);
  93    :  
  94  E :    relinker.AppendTransform(&transform1);
  95  E :    relinker.AppendTransforms(transforms);
  96    :  
  97  E :    std::vector<BlockGraphTransformInterface*> expected;
  98  E :    expected.push_back(&transform1);
  99  E :    expected.push_back(&transform2);
 100    :  
 101  E :    EXPECT_EQ(expected, relinker.transforms_);
 102  E :  }
 103    :  
 104  E :  TEST(PECoffRelinkerTest, AppendOrderers) {
 105  E :    testing::DummyTransformPolicy policy;
 106  E :    TestPECoffRelinker relinker(&policy);
 107    :  
 108  E :    MockOrderer orderer1, orderer2;
 109  E :    std::vector<BlockGraphOrdererInterface*> orderers;
 110  E :    orderers.push_back(&orderer2);
 111    :  
 112  E :    relinker.AppendOrderer(&orderer1);
 113  E :    relinker.AppendOrderers(orderers);
 114    :  
 115  E :    std::vector<BlockGraphOrdererInterface*> expected;
 116  E :    expected.push_back(&orderer1);
 117  E :    expected.push_back(&orderer2);
 118    :  
 119  E :    EXPECT_EQ(expected, relinker.orderers_);
 120  E :  }
 121    :  
 122    :  }  // namespace pe