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// This file is part of CAF, the C++ Actor Framework. See the file LICENSE in
// the main distribution directory for license terms and copyright or visit
// https://github.com/actor-framework/actor-framework/blob/master/LICENSE.
#define CAF_SUITE message
#include "caf/message.hpp"
#include "core-test.hpp"
#include <map>
#include <numeric>
#include <string>
#include <vector>
#include "caf/init_global_meta_objects.hpp"
#include "caf/message_handler.hpp"
#include "caf/type_id.hpp"
#include "caf/type_id_list.hpp"
using std::make_tuple;
using std::map;
using std::string;
using std::vector;
using namespace caf;
using namespace std::literals::string_literals;
namespace {
template <class... Ts>
std::string msg_as_string(Ts&&... xs) {
return to_string(make_message(std::forward<Ts>(xs)...));
}
} // namespace
CAF_TEST(messages allow index - based access) {
auto msg = make_message("abc", uint32_t{10}, 20.0);
CHECK_EQ(msg.size(), 3u);
CHECK_EQ(msg.types(), (make_type_id_list<std::string, uint32_t, double>()));
CHECK_EQ(msg.get_as<std::string>(0), "abc");
CHECK_EQ(msg.get_as<uint32_t>(1), 10u);
CHECK_EQ(msg.get_as<double>(2), 20.0);
CHECK_EQ(msg.cdata().get_reference_count(), 1u);
}
CAF_TEST(message detach their content on mutating access) {
MESSAGE("Given to messages pointing to the same content.");
auto msg1 = make_message("one", uint32_t{1});
auto msg2 = msg1;
CHECK_EQ(msg1.cdata().get_reference_count(), 2u);
CHECK_EQ(msg1.cptr(), msg2.cptr());
MESSAGE("When calling a non-const member function of message.");
msg1.ptr();
MESSAGE("Then the messages point to separate contents but remain equal.");
CHECK_NE(msg1.cptr(), msg2.cptr());
CHECK_EQ(msg1.cdata().get_reference_count(), 1u);
CHECK_EQ(msg2.cdata().get_reference_count(), 1u);
CHECK((msg1.match_elements<std::string, uint32_t>()));
CHECK((msg2.match_elements<std::string, uint32_t>()));
CHECK_EQ(msg1.get_as<std::string>(0), msg2.get_as<std::string>(0));
CHECK_EQ(msg1.get_as<uint32_t>(1), msg2.get_as<uint32_t>(1));
}
CAF_TEST(compare_custom_types) {
s2 tmp;
tmp.value[0][1] = 100;
CHECK_NE(to_string(make_message(s2{})), to_string(make_message(tmp)));
}
CAF_TEST(integers_to_string) {
using ivec = vector<int32_t>;
using svec = vector<std::string>;
using sset = std::set<std::string>;
using std::string;
using itup = std::tuple<int, int, int>;
CHECK_EQ(make_message(ivec{}).types(), make_type_id_list<ivec>());
CHECK_EQ(make_type_id_list<ivec>()[0], type_id_v<ivec>);
CHECK_EQ(make_message(ivec{}).types()[0], type_id_v<ivec>);
CHECK_EQ(make_message(1.0).types()[0], type_id_v<double>);
CHECK_EQ(make_message(s1{}).types()[0], type_id_v<s1>);
CHECK_EQ(make_message(s2{}).types()[0], type_id_v<s2>);
CHECK_EQ(make_message(s3{}).types()[0], type_id_v<s3>);
CHECK_EQ(make_message(svec{}).types()[0], type_id_v<svec>);
CHECK_EQ(make_message(string{}).types()[0], type_id_v<string>);
CHECK_EQ(make_message(sset{}).types()[0], type_id_v<sset>);
CHECK_EQ(make_message(itup(1, 2, 3)).types()[0], type_id_v<itup>);
}
CAF_TEST(to_string converts messages to strings) {
using svec = vector<string>;
CHECK_EQ(msg_as_string(), "message()");
CHECK_EQ(msg_as_string("hello", "world"), R"__(message("hello", "world"))__");
CHECK_EQ(msg_as_string(svec{"one", "two", "three"}),
R"__(message(["one", "two", "three"]))__");
CHECK_EQ(msg_as_string(svec{"one", "two"}, "three", "four",
svec{"five", "six", "seven"}),
R"__(message(["one", "two"], "three", "four", )__"
R"__(["five", "six", "seven"]))__");
auto teststr = R"__(message("this is a \"test\""))__"; // fails inline on MSVC
CHECK_EQ(msg_as_string(R"__(this is a "test")__"), teststr);
CHECK_EQ(msg_as_string(make_tuple(1, 2, 3), 4, 5),
"message([1, 2, 3], 4, 5)");
CHECK_EQ(msg_as_string(s1{}), "message([10, 20, 30])");
s2 tmp;
tmp.value[0][1] = 100;
CHECK_EQ(msg_as_string(s2{}),
"message([[1, 10], [2, 20], [3, 30], [4, 40]])");
CHECK_EQ(msg_as_string(s3{}), "message([1, 2, 3, 4])");
}
CAF_TEST(match_elements exposes element types) {
auto msg = make_message(put_atom_v, "foo", int64_t{123});
CHECK((msg.match_element<put_atom>(0)));
CHECK((msg.match_element<string>(1)));
CHECK((msg.match_element<int64_t>(2)));
CHECK((msg.match_elements<put_atom, string, int64_t>()));
}
CAF_TEST(messages are concatenable) {
using std::make_tuple;
CHECK(message::concat(make_tuple(int16_t{1}), make_tuple(uint8_t{2}))
.matches(int16_t{1}, uint8_t{2}));
CHECK(message::concat(make_message(int16_t{1}), make_message(uint8_t{2}))
.matches(int16_t{1}, uint8_t{2}));
CHECK(message::concat(make_message(int16_t{1}), make_tuple(uint8_t{2}))
.matches(int16_t{1}, uint8_t{2}));
CHECK(message::concat(make_tuple(int16_t{1}), make_message(uint8_t{2}))
.matches(int16_t{1}, uint8_t{2}));
}
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