adaptor pattern

Author: xiao cheng

Adaptor/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.8)
+
+project(Adaptor_test)
+
+include_directories(${Boost_INCLUDE_DIRS})
+
+add_executable(${PROJECT_NAME} adaptorTest.cpp)
+
+target_link_libraries(${PROJECT_NAME} PUBLIC 
+ gtest_main
+ ${Boost_LIBRARIES}
+ )
+
+ add_test(
+     NAME ${PROJECT_NAME}
+     COMMAND ${PROJECT_NAME}
+ )
+ install(TARGETS ${PROJECT_NAME} RUNTIME DESTINATION ../bin)

Adaptor/adaptorTest.cpp

@@ -0,0 +1,64 @@
+struct Square
+{
+    int side{0};
+
+    explicit Square(const int side)
+        : side(side)
+    {
+    }
+};
+
+struct Rectangle
+{
+    virtual int width() const = 0;
+    virtual int height() const = 0;
+
+    int area() const
+    {
+        return width() * height();
+    }
+};
+
+struct SquareToRectangleAdapter : Rectangle
+{
+    SquareToRectangleAdapter(const Square &square)
+        : square(square) {}
+
+    int width() const override
+    {
+        return square.side;
+    }
+
+    int height() const override
+    {
+        return square.side;
+    }
+
+    const Square □
+};
+
+#include "gtest/gtest.h"
+
+//#include "helpers/iohelper.h"
+
+//#include "exercise.cpp"
+
+namespace
+{
+class Evaluate : public testing::Test
+{
+};
+
+TEST_F(Evaluate, SimpleTest)
+{
+    Square sq{11};
+    SquareToRectangleAdapter adapter{sq};
+    ASSERT_EQ(121, adapter.area());
+}
+} // namespace
+
+int main(int ac, char *av[])
+{
+    testing::InitGoogleTest(&ac, av);
+    return RUN_ALL_TESTS();
+}

CMakeLists.txt

@@ -20,4 +20,5 @@ if(Boost_FOUND)
     add_subdirectory(ObjectPool)
     add_subdirectory(RAII)
     add_subdirectory(Decorator)
+    add_subdirectory(Adaptor)
 endif()