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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2018 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#include "caf/config.hpp"
#define CAF_SUITE function_view
#include "caf/test/unit_test.hpp"
#include <string>
#include <vector>
#include "caf/all.hpp"
using namespace caf;
namespace {
using calculator = typed_actor<replies_to<int, int>::with<int>>;
calculator::behavior_type adder() {
return {
[](int x, int y) {
return x + y;
}
};
}
calculator::behavior_type multiplier() {
return {
[](int x, int y) {
return x * y;
}
};
}
calculator::behavior_type divider() {
return {
[](int x, int y) -> optional<int> {
if (y == 0)
return none;
return x / y;
}
};
}
using doubler = typed_actor<replies_to<int>::with<int, int>>;
doubler::behavior_type simple_doubler() {
return {
[](int x) {
return std::make_tuple(x, x);
}
};
}
using cell = typed_actor<reacts_to<put_atom, int>,
replies_to<get_atom>::with<int>>;
struct cell_state {
int value = 0;
};
cell::behavior_type
simple_cell(cell::stateful_pointer<cell_state> self) {
return {
[=](put_atom, int val) {
self->state.value = val;
},
[=](get_atom) {
return self->state.value;
}
};
}
struct fixture {
fixture() : system(cfg) {
// nop
}
actor_system_config cfg;
actor_system system;
};
} // namespace
CAF_TEST_FIXTURE_SCOPE(function_view_tests, fixture)
CAF_TEST(empty_function_fiew) {
function_view<calculator> f;
CAF_CHECK_EQUAL(f(10, 20), sec::bad_function_call);
}
CAF_TEST(single_res_function_view) {
auto f = make_function_view(system.spawn(adder));
CAF_CHECK_EQUAL(f(3, 4), 7);
CAF_CHECK(f != nullptr);
CAF_CHECK(nullptr != f);
function_view<calculator> g;
g = std::move(f);
CAF_CHECK(f == nullptr);
CAF_CHECK(nullptr == f);
CAF_CHECK(g != nullptr);
CAF_CHECK(nullptr != g);
CAF_CHECK_EQUAL(g(10, 20), 30);
g.assign(system.spawn(multiplier));
CAF_CHECK_EQUAL(g(10, 20), 200);
g.assign(system.spawn(divider));
CAF_CHECK(!g(1, 0));
g.assign(system.spawn(divider));
CAF_CHECK_EQUAL(g(4, 2), 2);
}
CAF_TEST(tuple_res_function_view) {
auto f = make_function_view(system.spawn(simple_doubler));
CAF_CHECK_EQUAL(f(10), std::make_tuple(10, 10));
}
CAF_TEST(cell_function_view) {
auto f = make_function_view(system.spawn(simple_cell));
CAF_CHECK_EQUAL(f(get_atom_v), 0);
f(put_atom_v, 1024);
CAF_CHECK_EQUAL(f(get_atom_v), 1024);
}
CAF_TEST_FIXTURE_SCOPE_END()
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