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405 lines (349 loc) · 14.1 KB
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#include <list>
#include <array>
#include <string>
#include <limits>
#include <cstdint>
#include <utility>
#include <iostream>
#include <typeinfo>
#include <functional>
#include <type_traits>
#include "test.hpp"
#include "cppa/on.hpp"
#include "cppa/cppa.hpp"
#include "cppa/cow_tuple.hpp"
#include "cppa/any_tuple.hpp"
#include "cppa/to_string.hpp"
#include "cppa/tuple_cast.hpp"
#include "cppa/intrusive_ptr.hpp"
#include "cppa/tpartial_function.hpp"
#include "cppa/uniform_type_info.hpp"
#include "cppa/util/rm_option.hpp"
#include "cppa/util/purge_refs.hpp"
#include "cppa/util/deduce_ref_type.hpp"
#include "cppa/detail/matches.hpp"
#include "cppa/detail/projection.hpp"
#include "cppa/detail/types_array.hpp"
#include "cppa/detail/value_guard.hpp"
#include "cppa/detail/object_array.hpp"
using std::cout;
using std::endl;
using namespace cppa;
using namespace cppa::detail;
namespace { std::atomic<size_t> s_expensive_copies; }
struct expensive_copy_struct {
expensive_copy_struct(const expensive_copy_struct& other) : value(other.value) {
++s_expensive_copies;
}
expensive_copy_struct(expensive_copy_struct&& other) : value(other.value) { }
expensive_copy_struct() : value(0) { }
int value;
};
inline bool operator==(const expensive_copy_struct& lhs,
const expensive_copy_struct& rhs) {
return lhs.value == rhs.value;
}
inline bool operator!=(const expensive_copy_struct& lhs,
const expensive_copy_struct& rhs) {
return !(lhs == rhs);
}
std::string int2str(int i) {
return std::to_string(i);
}
option<int> str2int(const std::string& str) {
char* endptr = nullptr;
int result = static_cast<int>(strtol(str.c_str(), &endptr, 10));
if (endptr != nullptr && *endptr == '\0') {
return result;
}
return {};
}
typedef util::type_list<int, int, int, float, int, float, float> zz0;
typedef util::type_list<util::type_list<int, int, int>,
util::type_list<float>,
util::type_list<int>,
util::type_list<float, float> > zz8;
typedef util::type_list<
util::type_list<
util::type_pair<std::integral_constant<size_t,0>, int>,
util::type_pair<std::integral_constant<size_t,1>, int>,
util::type_pair<std::integral_constant<size_t,2>, int>
>,
util::type_list<
util::type_pair<std::integral_constant<size_t,3>, float>
>,
util::type_list<
util::type_pair<std::integral_constant<size_t,4>, int>
>,
util::type_list<
util::type_pair<std::integral_constant<size_t,5>, float>,
util::type_pair<std::integral_constant<size_t,6>, float>
>
>
zz9;
template<typename First, typename Second>
struct is_same_ : std::is_same<typename First::second, typename Second::second> {
};
#define CPPA_CHECK_INVOKED(FunName, Args) \
if ( ( FunName Args ) == false || invoked != #FunName ) { \
CPPA_ERROR("invocation of " #FunName " failed"); \
} invoked = ""
#define CPPA_CHECK_NOT_INVOKED(FunName, Args) \
if ( ( FunName Args ) == true || invoked == #FunName ) { \
CPPA_ERROR(#FunName " erroneously invoked"); \
} invoked = ""
struct dummy_receiver : event_based_actor {
void init() {
become(
on_arg_match >> [=](expensive_copy_struct& ecs) {
ecs.value = 42;
reply(std::move(ecs));
quit();
}
);
}
};
int main() {
CPPA_TEST(test__tuple);
announce<expensive_copy_struct>(&expensive_copy_struct::value);
cow_tuple<int> zero;
CPPA_CHECK_EQUAL(get<0>(zero), 0);
using namespace cppa::placeholders;
typedef typename util::tl_group_by<zz0, std::is_same>::type zz1;
typedef typename util::tl_zip_with_index<zz0>::type zz2;
static_assert(std::is_same<zz1, zz8>::value, "group_by failed");
typedef typename util::tl_group_by<zz2, is_same_>::type zz3;
static_assert(std::is_same<zz3, zz9>::value, "group_by failed");
typedef util::type_list<int, int> token1;
typedef util::type_list<float> token2;
std::string invoked;
auto f00 = on<int, int>() >> [&]() { invoked = "f00"; };
CPPA_CHECK_INVOKED(f00, (42, 42));
auto f01 = on<int, int>().when(_x1 == 42) >> [&]() { invoked = "f01"; };
CPPA_CHECK_INVOKED(f01, (42, 42));
CPPA_CHECK_NOT_INVOKED(f01, (1, 2));
auto f02 = on<int, int>().when(_x1 == 42 && _x2 * 2 == _x1) >> [&]() { invoked = "f02"; };
CPPA_CHECK_NOT_INVOKED(f02, (0, 0));
CPPA_CHECK_NOT_INVOKED(f02, (42, 42));
CPPA_CHECK_NOT_INVOKED(f02, (2, 1));
CPPA_CHECK_INVOKED(f02, (42, 21));
CPPA_CHECK(f02.invoke(make_cow_tuple(42, 21)));
CPPA_CHECK_EQUAL(invoked, "f02");
invoked = "";
auto f03 = on(42, val<int>) >> [&](const int& a, int&) { invoked = "f03"; CPPA_CHECK_EQUAL(a, 42); };
CPPA_CHECK_NOT_INVOKED(f03, (0, 0));
CPPA_CHECK_INVOKED(f03, (42, 42));
auto f04 = on(42, int2str).when(_x2 == "42") >> [&](std::string& str) {
CPPA_CHECK_EQUAL(str, "42");
invoked = "f04";
};
CPPA_CHECK_NOT_INVOKED(f04, (0, 0));
CPPA_CHECK_NOT_INVOKED(f04, (0, 42));
CPPA_CHECK_NOT_INVOKED(f04, (42, 0));
CPPA_CHECK_INVOKED(f04, (42, 42));
auto f05 = on(str2int).when(_x1 % 2 == 0) >> [&]() { invoked = "f05"; };
CPPA_CHECK_NOT_INVOKED(f05, ("1"));
CPPA_CHECK_INVOKED(f05, ("2"));
auto f06 = on(42, str2int).when(_x2 % 2 == 0) >> [&]() { invoked = "f06"; };
CPPA_CHECK_NOT_INVOKED(f06, (0, "0"));
CPPA_CHECK_NOT_INVOKED(f06, (42, "1"));
CPPA_CHECK_INVOKED(f06, (42, "2"));
int f07_val = 1;
auto f07 = on<int>().when(_x1 == gref(f07_val)) >> [&]() { invoked = "f07"; };
CPPA_CHECK_NOT_INVOKED(f07, (0));
CPPA_CHECK_INVOKED(f07, (1));
CPPA_CHECK_NOT_INVOKED(f07, (2));
++f07_val;
CPPA_CHECK_NOT_INVOKED(f07, (0));
CPPA_CHECK_NOT_INVOKED(f07, (1));
CPPA_CHECK_INVOKED(f07, (2));
CPPA_CHECK(f07.invoke(make_cow_tuple(2)));
int f08_val = 666;
auto f08 = on<int>() >> [&](int& mref) { mref = 8; invoked = "f08"; };
CPPA_CHECK_INVOKED(f08, (f08_val));
CPPA_CHECK_EQUAL(f08_val, 8);
any_tuple f08_any_val = make_cow_tuple(666);
CPPA_CHECK(f08.invoke(f08_any_val));
CPPA_CHECK_EQUAL(f08_any_val.get_as<int>(0), 8);
int f09_val = 666;
auto f09 = on(str2int, val<int>) >> [&](int& mref) { mref = 9; invoked = "f09"; };
CPPA_CHECK_NOT_INVOKED(f09, ("hello lambda", f09_val));
CPPA_CHECK_INVOKED(f09, ("0", f09_val));
CPPA_CHECK_EQUAL(f09_val, 9);
any_tuple f09_any_val = make_cow_tuple("0", 666);
CPPA_CHECK(f09.invoke(f09_any_val));
CPPA_CHECK_EQUAL(f09_any_val.get_as<int>(1), 9);
f09_any_val.get_as_mutable<int>(1) = 666;
any_tuple f09_any_val_copy{f09_any_val};
CPPA_CHECK_EQUAL(f09_any_val.at(0), f09_any_val_copy.at(0));
// detaches f09_any_val from f09_any_val_copy
CPPA_CHECK(f09.invoke(f09_any_val));
CPPA_CHECK_EQUAL(f09_any_val.get_as<int>(1), 9);
CPPA_CHECK_EQUAL(f09_any_val_copy.get_as<int>(1), 666);
// no longer the same data
CPPA_CHECK_NOT_EQUAL(f09_any_val.at(0), f09_any_val_copy.at(0));
auto f10 = (
on<int>().when(_x1 < 10) >> [&]() { invoked = "f10.0"; },
on<int>() >> [&]() { invoked = "f10.1"; },
on<std::string, anything>() >> [&](std::string&) { invoked = "f10.2"; }
);
CPPA_CHECK(f10(9));
CPPA_CHECK_EQUAL(invoked, "f10.0");
CPPA_CHECK(f10(10));
CPPA_CHECK_EQUAL(invoked, "f10.1");
CPPA_CHECK(f10("42"));
CPPA_CHECK_EQUAL(invoked, "f10.2");
CPPA_CHECK(f10("42", 42));
CPPA_CHECK(f10("a", "b", "c"));
std::string foobar = "foobar";
CPPA_CHECK(f10(foobar, "b", "c"));
CPPA_CHECK(f10("a", static_cast<const std::string&>(foobar), "b", "c"));
//CPPA_CHECK(f10(const static_cast<std::string&>(foobar), "b", "c"));
int f11_fun = 0;
auto f11 = (
on<int>().when(_x1 == 1) >> [&]() { f11_fun = 1; },
on<int>().when(_x1 == 2) >> [&]() { f11_fun = 2; },
on<int>().when(_x1 == 3) >> [&]() { f11_fun = 3; },
on<int>().when(_x1 == 4) >> [&]() { f11_fun = 4; },
on<int>().when(_x1 == 5) >> [&]() { f11_fun = 5; },
on<int>().when(_x1 == 6) >> [&]() { f11_fun = 6; },
on<int>().when(_x1 == 7) >> [&]() { f11_fun = 7; },
on<int>().when(_x1 == 8) >> [&]() { f11_fun = 8; },
on<int>().when(_x1 >= 9) >> [&]() { f11_fun = 9; },
on(str2int) >> [&]() { f11_fun = 10; },
on<std::string>() >> [&]() { f11_fun = 11; }
);
CPPA_CHECK(f11(1));
CPPA_CHECK_EQUAL(f11_fun, 1);
CPPA_CHECK(f11(3));
CPPA_CHECK_EQUAL(f11_fun, 3);
CPPA_CHECK(f11(8));
CPPA_CHECK_EQUAL(f11_fun, 8);
CPPA_CHECK(f11(10));
CPPA_CHECK_EQUAL(f11_fun, 9);
CPPA_CHECK(f11("hello lambda"));
CPPA_CHECK_EQUAL(f11_fun, 11);
CPPA_CHECK(f11("10"));
CPPA_CHECK_EQUAL(f11_fun, 10);
auto f12 = (
on<int, anything, int>().when(_x1 < _x2) >> [&](int a, int b) {
CPPA_CHECK_EQUAL(a, 1);
CPPA_CHECK_EQUAL(b, 5);
invoked = "f12";
}
);
CPPA_CHECK_INVOKED(f12, (1, 2, 3, 4, 5));
int f13_fun = 0;
auto f13 = (
on<int, anything, std::string, anything, int>().when(_x1 < _x3 && _x2.starts_with("-")) >> [&](int a, const std::string& str, int b) {
CPPA_CHECK_EQUAL(str, "-h");
CPPA_CHECK_EQUAL(a, 1);
CPPA_CHECK_EQUAL(b, 10);
f13_fun = 1;
invoked = "f13";
},
on<anything, std::string, anything, int, anything, float, anything>() >> [&](const std::string& str, int a, float b) {
CPPA_CHECK_EQUAL(str, "h");
CPPA_CHECK_EQUAL(a, 12);
CPPA_CHECK_EQUAL(b, 1.f);
f13_fun = 2;
invoked = "f13";
},
on<float, anything, float>().when(_x1 * 2 == _x2) >> [&](float a, float b) {
CPPA_CHECK_EQUAL(a, 1.f);
CPPA_CHECK_EQUAL(b, 2.f);
f13_fun = 3;
invoked = "f13";
}
);
CPPA_CHECK_INVOKED(f13, (1, 2, "-h", 12, 32, 10, 1.f, "--foo", 10));
CPPA_CHECK_EQUAL(f13_fun, 1);
CPPA_CHECK_INVOKED(f13, (1, 2, "h", 12, 32, 10, 1.f, "--foo", 10));
CPPA_CHECK_EQUAL(f13_fun, 2);
CPPA_CHECK_INVOKED(f13, (1.f, 1.5f, 2.f));
CPPA_CHECK_EQUAL(f13_fun, 3);
// check type correctness of make_cow_tuple()
auto t0 = make_cow_tuple("1", 2);
CPPA_CHECK((std::is_same<decltype(t0), cppa::cow_tuple<std::string, int>>::value));
auto t0_0 = get<0>(t0);
auto t0_1 = get<1>(t0);
// check implicit type conversion
CPPA_CHECK((std::is_same<decltype(t0_0), std::string>::value));
CPPA_CHECK((std::is_same<decltype(t0_1), int>::value));
CPPA_CHECK_EQUAL("1", t0_0);
CPPA_CHECK_EQUAL(2, t0_1);
// use tuple cast to get a subtuple
any_tuple at0(t0);
auto v0opt = tuple_cast<std::string, anything>(at0);
CPPA_CHECK((std::is_same<decltype(v0opt), option<cow_tuple<std::string>>>::value));
CPPA_CHECK((v0opt));
CPPA_CHECK( at0.size() == 2
&& at0.at(0) == &get<0>(t0)
&& at0.at(1) == &get<1>(t0));
if (v0opt) {
auto& v0 = *v0opt;
CPPA_CHECK((std::is_same<decltype(v0), cow_tuple<std::string>&>::value));
CPPA_CHECK((std::is_same<decltype(get<0>(v0)), const std::string&>::value));
CPPA_CHECK_EQUAL(v0.size(), 1);
CPPA_CHECK_EQUAL(get<0>(v0), "1");
CPPA_CHECK_EQUAL(get<0>(t0), get<0>(v0));
// check cow semantics
CPPA_CHECK_EQUAL(&get<0>(t0), &get<0>(v0)); // point to the same
get_ref<0>(t0) = "hello world"; // detaches t0 from v0
CPPA_CHECK_EQUAL(get<0>(t0), "hello world"); // t0 contains new value
CPPA_CHECK_EQUAL(get<0>(v0), "1"); // v0 contains old value
CPPA_CHECK_NOT_EQUAL(&get<0>(t0), &get<0>(v0)); // no longer the same
// check operator==
auto lhs = make_cow_tuple(1,2,3,4);
auto rhs = make_cow_tuple(static_cast<std::uint8_t>(1), 2.0, 3, 4);
CPPA_CHECK(lhs == rhs);
CPPA_CHECK(rhs == lhs);
}
any_tuple at1 = make_cow_tuple("one", 2, 3.f, 4.0); {
// perfect match
auto opt0 = tuple_cast<std::string, int, float, double>(at1);
CPPA_CHECK(opt0);
if (opt0) {
CPPA_CHECK((*opt0 == make_cow_tuple("one", 2, 3.f, 4.0)));
CPPA_CHECK_EQUAL(&get<0>(*opt0), at1.at(0));
CPPA_CHECK_EQUAL(&get<1>(*opt0), at1.at(1));
CPPA_CHECK_EQUAL(&get<2>(*opt0), at1.at(2));
CPPA_CHECK_EQUAL(&get<3>(*opt0), at1.at(3));
}
// leading wildcard
auto opt1 = tuple_cast<anything, double>(at1);
CPPA_CHECK(opt1);
if (opt1) {
CPPA_CHECK_EQUAL(get<0>(*opt1), 4.0);
CPPA_CHECK_EQUAL(&get<0>(*opt1), at1.at(3));
}
// trailing wildcard
auto opt2 = tuple_cast<std::string, anything>(at1);
CPPA_CHECK(opt2);
if (opt2) {
CPPA_CHECK_EQUAL(get<0>(*opt2), "one");
CPPA_CHECK_EQUAL(&get<0>(*opt2), at1.at(0));
}
// wildcard in between
auto opt3 = tuple_cast<std::string, anything, double>(at1);
CPPA_CHECK(opt3);
if (opt3) {
CPPA_CHECK((*opt3 == make_cow_tuple("one", 4.0)));
CPPA_CHECK_EQUAL(get<0>(*opt3), "one");
CPPA_CHECK_EQUAL(get<1>(*opt3), 4.0);
CPPA_CHECK_EQUAL(&get<0>(*opt3), at1.at(0));
CPPA_CHECK_EQUAL(&get<1>(*opt3), at1.at(3));
}
}
CPPA_PRINT("check correct tuple move operations");
send(spawn<dummy_receiver>(), expensive_copy_struct());
receive (
on_arg_match >> [&](expensive_copy_struct& ecs) {
CPPA_CHECK_EQUAL(42, ecs.value);
}
);
CPPA_CHECK_EQUAL(s_expensive_copies.load(), 0);
await_all_others_done();
shutdown();
return CPPA_TEST_RESULT();
}
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