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      1 /*
      2  * Copyright (C) 2015 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 <gtest/gtest.h>
     18 
     19 #include "command.h"
     20 
     21 class MockCommand : public Command {
     22  public:
     23   MockCommand() : Command("mock", "mock_short_help", "mock_long_help") {
     24   }
     25 
     26   bool Run(const std::vector<std::string>&) override {
     27     return true;
     28   }
     29 };
     30 
     31 TEST(command, CreateCommandInstance) {
     32   ASSERT_TRUE(CreateCommandInstance("mock1") == nullptr);
     33   RegisterCommand("mock1", [] { return std::unique_ptr<Command>(new MockCommand); });
     34   ASSERT_TRUE(CreateCommandInstance("mock1") != nullptr);
     35   UnRegisterCommand("mock1");
     36   ASSERT_TRUE(CreateCommandInstance("mock1") == nullptr);
     37 }
     38 
     39 TEST(command, GetAllCommands) {
     40   size_t command_count = GetAllCommandNames().size();
     41   RegisterCommand("mock1", [] { return std::unique_ptr<Command>(new MockCommand); });
     42   ASSERT_EQ(command_count + 1, GetAllCommandNames().size());
     43   UnRegisterCommand("mock1");
     44   ASSERT_EQ(command_count, GetAllCommandNames().size());
     45 }
     46