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306 lines (268 loc) · 7.55 KB
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// Copyright (C) 2017-2018 Jonathan Müller <[email protected]>
// This file is subject to the license terms in the LICENSE file
// found in the top-level directory of this distribution.
#include <cppast/cpp_namespace.hpp>
#include "test_parser.hpp"
using namespace cppast;
TEST_CASE("cpp_namespace")
{
auto code = R"(
/// namespace a{
/// }
namespace a {}
/// inline namespace b{
/// }
inline namespace b {}
/// namespace c{
/// namespace d{
/// }
/// }
namespace c
{
/// namespace d{
/// }
namespace d {}
}
/// namespace {
/// }
namespace {}
/// namespace f{
/// }
namespace e::f {}
// unnecessary semicolon at end of file
;
)";
auto file = parse({}, "cpp_namespace.cpp", code);
auto count = test_visit<cpp_namespace>(*file, [&](const cpp_namespace& ns) {
auto no_children = count_children(ns);
if (ns.name() == "a")
{
REQUIRE(!ns.is_anonymous());
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 0u);
}
else if (ns.name() == "b")
{
REQUIRE(!ns.is_anonymous());
REQUIRE(ns.is_inline());
REQUIRE(no_children == 0u);
}
else if (ns.name() == "c")
{
REQUIRE(!ns.is_anonymous());
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 1u);
}
else if (ns.name() == "d")
{
REQUIRE(!ns.is_anonymous());
check_parent(ns, "c", "c::d");
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 0u);
}
else if (ns.name() == "")
{
REQUIRE(ns.is_anonymous());
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 0u);
}
else if (ns.name() == "e")
{
REQUIRE(!ns.is_anonymous());
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 1u);
return false; // don't have a comment
}
else if (ns.name() == "f")
{
REQUIRE(!ns.is_anonymous());
check_parent(ns, "e", "e::f");
REQUIRE(!ns.is_inline());
REQUIRE(no_children == 0u);
}
else
REQUIRE(false);
return true;
});
REQUIRE(count == 7u);
}
TEST_CASE("cpp_namespace_alias")
{
auto code = R"(
namespace outer {}
namespace ns {}
/// namespace a=outer;
namespace a = outer;
/// namespace b=ns;
namespace b = ns;
namespace outer
{
namespace ns {}
/// namespace c=ns;
namespace c = ns;
/// namespace d=::outer;
namespace d = ::outer;
}
/// namespace e=outer::ns;
namespace e = outer::ns;
/// namespace f=outer::c;
namespace f = outer::c;
)";
cpp_entity_index idx;
auto check_alias = [&](const cpp_namespace_alias& alias, const char* target_name,
const char* target_full_name, unsigned no) {
auto& target = alias.target();
REQUIRE(target.name() == target_name);
REQUIRE(!target.is_overloaded());
auto entities = target.get(idx);
REQUIRE(entities.size() == no);
for (auto& entity : entities)
REQUIRE(full_name(*entity) == target_full_name);
};
auto file = parse(idx, "cpp_namespace_alias.cpp", code);
auto count = test_visit<cpp_namespace_alias>(*file, [&](const cpp_namespace_alias& alias) {
if (alias.name() == "a")
check_alias(alias, "outer", "outer", 2u);
else if (alias.name() == "b")
check_alias(alias, "ns", "ns", 1u);
else if (alias.name() == "c")
{
check_parent(alias, "outer", "outer::c");
check_alias(alias, "ns", "outer::ns", 1u);
}
else if (alias.name() == "d")
{
check_parent(alias, "outer", "outer::d");
check_alias(alias, "::outer", "outer", 2u);
}
else if (alias.name() == "e")
check_alias(alias, "outer::ns", "outer::ns", 1u);
else if (alias.name() == "f")
check_alias(alias, "outer::c", "outer::ns", 1u);
else
REQUIRE(false);
});
REQUIRE(count == 6u);
}
TEST_CASE("cpp_using_directive")
{
auto code = R"(
namespace ns1 {}
namespace ns2 {}
/// using namespace ns1;
using namespace ns1;
/// using namespace ns2;
using namespace ns2;
namespace outer
{
namespace ns {}
/// using namespace ns;
using namespace ns;
/// using namespace ::ns1;
using namespace ::ns1;
}
/// using namespace outer::ns;
using namespace outer::ns;
)";
cpp_entity_index idx;
auto check_directive = [&](const cpp_using_directive& directive, const char* target_full_name) {
auto target = directive.target();
REQUIRE(!target.is_overloaded());
auto entities = target.get(idx);
REQUIRE(entities.size() == 1u);
REQUIRE(full_name(*entities[0u]) == target_full_name);
};
auto file = parse(idx, "cpp_using_directive.cpp", code);
auto count = test_visit<cpp_using_directive>(*file, [&](const cpp_using_directive& directive) {
if (directive.target().name() == "ns1")
check_directive(directive, "ns1");
else if (directive.target().name() == "ns2")
check_directive(directive, "ns2");
else if (directive.target().name() == "ns")
{
check_parent(directive, "outer", "");
check_directive(directive, "outer::ns");
}
else if (directive.target().name() == "::ns1")
{
check_parent(directive, "outer", "");
check_directive(directive, "ns1");
}
else if (directive.target().name() == "outer::ns")
check_directive(directive, "outer::ns");
else
REQUIRE(false);
});
REQUIRE(count == 5u);
}
TEST_CASE("cpp_using_declaration")
{
auto code = R"(
namespace ns1
{
enum a {};
enum b {};
}
namespace ns2
{
enum a {};
enum b {};
}
/// using ns1::a;
using ns1::a;
/// using ns2::b;
using ns2::b;
namespace outer
{
namespace ns
{
enum c {};
}
/// using ns::c;
using ns::c;
}
/// using outer::ns::c;
using outer::ns::c;
/// using outer::c;
using outer::c;
namespace ns1
{
void d(int);
void d(float);
}
/// using ns1::d;
using ns1::d;
)";
cpp_entity_index idx;
auto check_declaration
= [&](const cpp_using_declaration& decl, const char* target_full_name, unsigned no) {
auto target = decl.target();
REQUIRE((target.no_overloaded() == no));
for (auto entity : target.get(idx))
{
REQUIRE(full_name(*entity) == target_full_name);
}
};
auto file = parse(idx, "cpp_using_declaration.cpp", code);
auto count = test_visit<cpp_using_declaration>(*file, [&](const cpp_using_declaration& decl) {
REQUIRE(decl.name().empty());
if (decl.target().name() == "ns1::a")
check_declaration(decl, "ns1::a", 1u);
else if (decl.target().name() == "ns2::b")
check_declaration(decl, "ns2::b", 1u);
else if (decl.target().name() == "ns::c")
{
check_parent(decl, "outer", "");
check_declaration(decl, "outer::ns::c", 1u);
}
else if (decl.target().name() == "outer::ns::c")
check_declaration(decl, "outer::ns::c", 1u);
else if (decl.target().name() == "outer::c")
check_declaration(decl, "outer::ns::c", 1u);
else if (decl.target().name() == "ns1::d")
check_declaration(decl, "ns1::d", 2u);
else
REQUIRE(false);
});
REQUIRE(count == 6u);
}