Added split namespace test case

tests/t30006/test_case.h

@@ -0,0 +1,54 @@
+/**
+ * tests/t30006/test_case.cc
+ *
+ * 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("t30006", "[test-case][package]")
+{
+    auto [config, db] = load_config("t30006");
+
+    auto diagram = config.diagrams["t30006_package"];
+
+    REQUIRE(diagram->include.namespaces.size() == 1);
+    REQUIRE_THAT(diagram->include.namespaces,
+        VectorContains(std::string{"clanguml::t30006"}));
+
+    REQUIRE(diagram->should_include("clanguml::t30006::A"));
+    REQUIRE(diagram->should_include("clanguml::t30006::C"));
+    REQUIRE(!diagram->should_include("std::vector"));
+
+    REQUIRE(diagram->name == "t30006_package");
+
+    auto model = generate_package_diagram(db, diagram);
+
+    REQUIRE(model.name() == "t30006_package");
+
+    auto puml = generate_package_puml(diagram, model);
+    AliasMatcher _A(puml);
+
+    REQUIRE_THAT(puml, StartsWith("@startuml"));
+    REQUIRE_THAT(puml, EndsWith("@enduml\n"));
+
+    REQUIRE_THAT(puml, IsPackage("A"));
+    REQUIRE_THAT(puml, IsPackage("B"));
+    REQUIRE_THAT(puml, IsPackage("C"));
+
+    REQUIRE_THAT(puml, IsDependency(_A("A"), _A("B")));
+    REQUIRE_THAT(puml, IsDependency(_A("A"), _A("C")));
+
+    save_puml(
+        "./" + config.output_directory + "/" + diagram->name + ".puml", puml);
+}