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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <gmock/gmock.h>
     18 #include <gtest/gtest.h>
     19 
     20 #include "../libese.h"
     21 
     22 namespace android {
     23 namespace esed {
     24 
     25 using ::testing::_;
     26 using ::testing::ContainerEq;
     27 using ::testing::Invoke;
     28 
     29 struct MockEseInterface : public EseInterface {
     30     MOCK_METHOD0(init, void());
     31     MOCK_METHOD0(open, int());
     32     MOCK_METHOD0(close, void());
     33     MOCK_METHOD0(name, const char*());
     34     MOCK_METHOD2(transceive, int(const std::vector<uint8_t>&, std::vector<uint8_t>&));
     35     MOCK_METHOD0(error, bool());
     36     MOCK_METHOD0(error_message, const char*());
     37     MOCK_METHOD0(error_code, int());
     38 };
     39 
     40 inline auto EseReceive(const std::vector<uint8_t>& response) {
     41     return Invoke([response](const std::vector<uint8_t>& /* tx */, std::vector<uint8_t>& rx) {
     42         const auto end = (rx.size() >= response.size())
     43                 ? response.end() : (response.begin() + rx.size());
     44         std::copy(response.begin(), end, rx.begin());
     45         return (int) response.size();
     46     });
     47 }
     48 
     49 // Returns a mocked device that expects a command, will pass the response to the
     50 // callback and finally returns the given value.
     51 // Needs to allocate on heap as it can't copy/move the mock.
     52 inline std::unique_ptr<MockEseInterface> singleCommandEseMock(
     53         const std::vector<uint8_t>& command, const std::vector<uint8_t>& response) {
     54     auto mockEse = std::make_unique<MockEseInterface>();
     55     EXPECT_CALL(*mockEse, transceive(ContainerEq(command), _)).WillOnce(EseReceive(response));
     56     return mockEse;
     57 }
     58 
     59 } // namespace esed
     60 } // namespace android
     61