cppast/test/cpp_language_linkage.cpp
2022-02-07 20:43:22 +01:00

79 lines
1.8 KiB
C++

// Copyright (C) 2017-2022 Jonathan Müller and cppast contributors
// SPDX-License-Identifier: MIT
#include <cppast/cpp_language_linkage.hpp>
#include <cppast/cpp_enum.hpp>
#include "test_parser.hpp"
using namespace cppast;
TEST_CASE("cpp_language_linkage")
{
auto code = R"(
/// extern "C" enum a{
/// };
extern "C" enum a {};
enum b {};
/// extern "C++"{
/// enum c{
/// };
///
/// enum d{
/// };
///
/// enum e{
/// };
/// }
extern "C++" // yup
{
enum c {};
enum d {};
enum e {};
}
/// extern "C++"{
/// }
extern "C++" {}
enum f {};
)";
auto file = parse({}, "cpp_language_linkage.cpp", code);
// check linkages
auto count = test_visit<cpp_language_linkage>(*file, [&](const cpp_language_linkage& linkage) {
if (linkage.name() == "\"C\"")
REQUIRE(!linkage.is_block());
else if (linkage.name() == "\"C++\"")
REQUIRE(linkage.is_block());
else
REQUIRE(false);
});
REQUIRE(count == 3u);
// check enums for their correct parent
count = test_visit<cpp_enum>(
*file,
[&](const cpp_enum& e) {
if (e.name() == "a")
check_parent(e, "\"C\"", "a");
else if (e.name() == "b")
check_parent(e, "cpp_language_linkage.cpp", "b");
else if (e.name() == "c")
check_parent(e, "\"C++\"", "c");
else if (e.name() == "d")
check_parent(e, "\"C++\"", "d");
else if (e.name() == "e")
check_parent(e, "\"C++\"", "e");
else if (e.name() == "f")
check_parent(e, "cpp_language_linkage.cpp", "f");
else
REQUIRE(false);
},
false); // don't check code generation here
REQUIRE(count == 6u);
}