Added proxy design pattern test case

docs/test_cases/t00023.md

@@ -31,17 +31,17 @@ public:
 
 class StrategyA : public Strategy {
 public:
-    void algorithm() override { }
+    void algorithm() override {}
 };
 
 class StrategyB : public Strategy {
 public:
-    void algorithm() override { }
+    void algorithm() override {}
 };
 
 class StrategyC : public Strategy {
 public:
-    void algorithm() override { }
+    void algorithm() override {}
 };
 
 class Context {
@@ -56,7 +56,6 @@ public:
 private:
     std::unique_ptr<Strategy> m_strategy;
 };
-
 }
 }
 

docs/test_cases/t00024.md

@@ -0,0 +1,64 @@
+# t00024 - Proxy pattern
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00024_class:
+    type: class
+    glob:
+      - ../../tests/t00024/t00024.cc
+    using_namespace:
+      - clanguml::t00024
+    include:
+      namespaces:
+        - clanguml::t00024
+
+```
+## Source code
+File t00024.cc
+```cpp
+#include <memory>
+
+namespace clanguml {
+namespace t00024 {
+
+class Target {
+public:
+    virtual ~Target() = 0;
+
+    virtual void m1() = 0;
+    virtual void m2() = 0;
+};
+
+class Target1 : public Target {
+public:
+    void m1() override { }
+    void m2() override { }
+};
+
+class Target2 : public Target {
+public:
+    void m1() override { }
+    void m2() override { }
+};
+
+class Proxy : public Target {
+public:
+    Proxy(std::shared_ptr<Target> target)
+        : m_target {std::move(target)}
+    {
+    }
+    void m1() override { m_target->m1(); }
+    void m2() override { m_target->m2(); }
+
+private:
+    std::shared_ptr<Target> m_target;
+};
+
+}
+}
+
+```
+## Generated UML diagrams
+![t00024_class](./t00024_class.png "Proxy pattern")