Added test case for sequence diagram with multiple translation units

tests/t20014/test_case.h

@@ -0,0 +1,49 @@
+/**
+ * tests/t20014/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("t20014", "[test-case][sequence]")
+{
+    auto [config, db] = load_config("t20014");
+
+    auto diagram = config.diagrams["t20014_sequence"];
+
+    REQUIRE(diagram->name == "t20014_sequence");
+
+    auto model = generate_sequence_diagram(*db, diagram);
+
+    REQUIRE(model->name() == "t20014_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"), "b1(int,int)"));
+    REQUIRE_THAT(puml, HasCall(_A("B"), _A("A"), "a1(int,int)"));
+
+    REQUIRE_THAT(puml, HasCall(_A("tmain()"), _A("B"), "b2(int,int)"));
+    REQUIRE_THAT(puml, HasCall(_A("B"), _A("A"), "a2(int,int)"));
+
+    REQUIRE_THAT(puml, HasCall(_A("tmain()"), _A("C<B,int>"), "c1(int,int)"));
+    REQUIRE_THAT(puml, HasCall(_A("C<B,int>"), _A("B"), "b1(int,int)"));
+
+    save_puml(
+        "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
+}