Method function_warn

test/testlibrary.cpp:611–644

    }

    void function_warn() const {
        constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
                                   "<def>\n"
                                   "  <function name=\"a\">\n"
                                   "    <warn severity=\"style\" cstd=\"c99\">Message</warn>\n"
                                   "  </function>\n"
                                   "  <function name=\"b\">\n"
                                   "    <warn severity=\"performance\" cppstd=\"c++11\" reason=\"Obsolescent\" alternatives=\"c,d,e\"/>\n"
                                   "  </function>\n"
                                   "</def>";

        Library library;
        ASSERT(LibraryHelper::loadxmldata(library, xmldata, sizeof(xmldata)));

        const char code[] = "a(); b();";
        const SimpleTokenList tokenList(code);

        const Library::WarnInfo* a = library.getWarnInfo(tokenList.front());
        const Library::WarnInfo* b = library.getWarnInfo(tokenList.front()->tokAt(4));

        ASSERT_EQUALS(2, library.functionwarn().size());
        ASSERT(a && b);
        if (a && b) {
            ASSERT_EQUALS("Message", a->message);
            ASSERT_EQUALS_ENUM(Severity::style, a->severity);
            ASSERT_EQUALS(Standards::C99, a->standards.c);
            ASSERT_EQUALS(Standards::CPP03, a->standards.cpp);

            ASSERT_EQUALS("Obsolescent function 'b' called. It is recommended to use 'c', 'd' or 'e' instead.", b->message);
            ASSERT_EQUALS_ENUM(Severity::performance, b->severity);
            ASSERT_EQUALS(Standards::C89, b->standards.c);
            ASSERT_EQUALS(Standards::CPP11, b->standards.cpp);
        }
    }

    void memory() const {
        constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"