A weird game.
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turings-tarpit/tests/fsm.cpp

68 lines
1.3 KiB

#include <catch2/catch_test_macros.hpp>
#include <fmt/core.h>
#include <string>
#include "../fsm.hpp"
using namespace fmt;
using std::string;
enum class MyState {
START, RUNNING, END
};
enum class MyEvent {
STARTED, PUSH, QUIT
};
class MyFSM : public DeadSimpleFSM<MyState, MyEvent> {
public:
void event(MyEvent ev, string data="") {
switch(_state) {
FSM_STATE(MyState, START, ev);
FSM_STATE(MyState, RUNNING, ev, data);
FSM_STATE(MyState, END, ev);
}
}
void START(MyEvent ev) {
println("<<< START");
state(MyState::RUNNING);
}
void RUNNING(MyEvent ev, string &data) {
if(ev == MyEvent::QUIT) {
println("<<< QUITTING {}", data);
state(MyState::END);
} else {
println("<<< RUN: {}", data);
state(MyState::RUNNING);
}
}
void END(MyEvent ev) {
println("<<< STOP");
state(MyState::END);
}
};
TEST_CASE("confirm fsm works with optional data", "[utils]") {
MyFSM fsm;
REQUIRE(fsm.in_state(MyState::START));
fsm.event(MyEvent::STARTED);
REQUIRE(fsm.in_state(MyState::RUNNING));
fsm.event(MyEvent::PUSH);
REQUIRE(fsm.in_state(MyState::RUNNING));
fsm.event(MyEvent::PUSH);
REQUIRE(fsm.in_state(MyState::RUNNING));
fsm.event(MyEvent::PUSH);
REQUIRE(fsm.in_state(MyState::RUNNING));
fsm.event(MyEvent::QUIT, "DONE!");
REQUIRE(fsm.in_state(MyState::END));
}