Added smart pointer dereference sequence diagram test case

tests/t20009/.clang-uml

@@ -0,0 +1,14 @@
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t20009_sequence:
+    type: sequence
+    glob:
+      - ../../tests/t20009/t20009.cc
+    include:
+      namespaces:
+        - clanguml::t20009
+    using_namespace:
+      - clanguml::t20009
+    start_from:
+      - function: "clanguml::t20009::tmain()"

tests/t20009/t20009.cc

@@ -0,0 +1,25 @@
+#include <memory>
+#include <string>
+
+namespace clanguml {
+namespace t20009 {
+template <typename T> struct A {
+    void a(T arg) { }
+};
+
+template <typename T> struct B {
+    void b(T arg) { a->a(arg); }
+
+    std::unique_ptr<A<T>> a;
+};
+
+void tmain()
+{
+    std::shared_ptr<B<std::string>> bstring;
+    auto bint = std::make_unique<B<int>>();
+
+    bstring->b("b");
+    bint.get()->b(42);
+}
+}
+}

tests/t20009/test_case.h

@@ -0,0 +1,47 @@
+/**
+ * tests/t20009/test_case.h
+ *
+ * Copyright (c) 2021-2022 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+TEST_CASE("t20009", "[test-case][sequence]")
+{
+    auto [config, db] = load_config("t20009");
+
+    auto diagram = config.diagrams["t20009_sequence"];
+
+    REQUIRE(diagram->name == "t20009_sequence");
+
+    auto model = generate_sequence_diagram(*db, diagram);
+
+    REQUIRE(model->name() == "t20009_sequence");
+
+    auto puml = generate_sequence_puml(diagram, *model);
+    AliasMatcher _A(puml);
+
+    REQUIRE_THAT(puml, StartsWith("@startuml"));
+    REQUIRE_THAT(puml, EndsWith("@enduml\n"));
+
+    // Check if all calls exist
+    REQUIRE_THAT(puml, HasCall(_A("tmain()"), _A("B<std::string>"), "b"));
+    REQUIRE_THAT(
+        puml, HasCall(_A("B<std::string>"), _A("A<std::string>"), "a"));
+
+    REQUIRE_THAT(puml, HasCall(_A("tmain()"), _A("B<int>"), "b"));
+    REQUIRE_THAT(puml, HasCall(_A("B<int>"), _A("A<int>"), "a"));
+
+    save_puml(
+        "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
+}

tests/test_cases.cc

@@ -255,6 +255,7 @@ using namespace clanguml::test::matchers;
 #include "t20006/test_case.h"
 #include "t20007/test_case.h"
 #include "t20008/test_case.h"
+#include "t20009/test_case.h"
 
 ///
 /// Package diagram tests

tests/test_cases.yaml

@@ -172,6 +172,9 @@ test_cases:
     - name: t20008
       title: Constexpr if sequence diagram test case
       description:
+    - name: t20009
+      title: Smart pointer dereference call expression test case
+      description:
   Package diagrams:
     - name: t30001
       title: Basic package diagram test case