Add tests for cpp_macro_definition parsing

test/test_parser.hpp

@@ -0,0 +1,54 @@
+// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
+// This file is subject to the license terms in the LICENSE file
+// found in the top-level directory of this distribution.
+
+#ifndef CPPAST_TEST_PARSER_HPP_INCLUDED
+#define CPPAST_TEST_PARSER_HPP_INCLUDED
+
+#include <fstream>
+
+#include <catch.hpp>
+
+#include <cppast/cpp_entity_kind.hpp>
+#include <cppast/libclang_parser.hpp>
+#include <cppast/visitor.hpp>
+
+void write_file(const char* name, const char* code)
+{
+    std::ofstream file(name);
+    file << code;
+}
+
+std::unique_ptr<cppast::cpp_file> parse(const cppast::cpp_entity_index& idx, const char* name,
+                                        const char* code)
+{
+    using namespace cppast;
+
+    write_file(name, code);
+
+    libclang_compile_config config;
+    config.set_flags(cpp_standard::cpp_latest);
+
+    libclang_parser p;
+    return p.parse(idx, name, config);
+}
+
+template <typename T, typename Func>
+unsigned test_visit(const cppast::cpp_file& file, Func f)
+{
+    auto count = 0u;
+    cppast::visit(file, [&](const cppast::cpp_entity& e, cppast::visitor_info) {
+        if (e.kind() == T::kind())
+        {
+            auto& obj = static_cast<const T&>(e);
+            f(obj);
+            ++count;
+        }
+
+        return true;
+    });
+
+    return count;
+}
+
+#endif // CPPAST_TEST_PARSER_HPP_INCLUDED