Added support for external system headers

tests/t40001/.clang-uml

@@ -10,6 +10,8 @@ diagrams:
       - ../../tests/t40001/**/*.h
     # Render the paths relative to this directory
     relative_to: ../../tests/t40001
+    # Include also external system headers
+    generate_system_headers: true
     include:
       # Include only headers belonging to these paths
       paths:

tests/t40001/include/t40001_include1.h

@@ -2,6 +2,10 @@
 
 #include "lib1/lib1.h"
 
+#include <cppast/cpp_preprocessor.hpp>
+
+#include <string>
+
 namespace clanguml::t40001 {
 
 int foo() { return lib1::foo2(); }

tests/t40001/test_case.h

@@ -40,9 +40,14 @@ TEST_CASE("t40001", "[test-case][package]")
     REQUIRE_THAT(puml, IsFile("t40001.cc"));
     REQUIRE_THAT(puml, IsFile("t40001_include1.h"));
 
+    REQUIRE_THAT(puml, IsFile("string"));
+    REQUIRE_THAT(puml, IsFile("cppast/cpp_preprocessor.hpp"));
+
     REQUIRE_THAT(puml, IsAssociation(_A("t40001.cc"), _A("t40001_include1.h")));
     REQUIRE_THAT(puml, IsAssociation(_A("t40001_include1.h"), _A("lib1.h")));
 
+    REQUIRE_THAT(puml, IsDependency(_A("t40001_include1.h"), _A("string")));
+
     save_puml(
         "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
 }

tests/t40002/src/lib1/lib1.cc

@@ -1,5 +1,7 @@
 #include "../../include/lib1/lib1.h"
 
+#include <string>
+
 namespace clanguml::t40002::lib1 {
 
 int foo0() { return 0; }

tests/t40002/test_case.h

@@ -44,6 +44,8 @@ TEST_CASE("t40002", "[test-case][package]")
     REQUIRE_THAT(puml, IsFile("lib1.cc"));
     REQUIRE_THAT(puml, IsFile("lib2.cc"));
 
+    REQUIRE_THAT(puml, !IsFile("string"));
+
     REQUIRE_THAT(puml, IsAssociation(_A("t40002.cc"), _A("lib1.h")));
     REQUIRE_THAT(puml, IsAssociation(_A("lib1.h"), _A("lib2.h")));
     REQUIRE_THAT(puml, IsAssociation(_A("lib1.cc"), _A("lib1.h")));