#include "catch.hpp"

#include <../runner_impl.h>

#include <compiler.h>

#include <globals.h>

#include <runner.h>

#include <story.h>

using namespace ink::runtime;

SCENARIO("a story with external functions and glue", "[external]")

{

GIVEN("the story")

{

std::unique_ptr<story> ink{story::from_file(INK_TEST_RESOURCE_DIR "LookaheadSafe.bin")};

int cnt = 0;

auto foo = [&cnt]() {

cnt += 1;

};

WHEN("the external function is safe for look-ahead")

{

auto thread = ink->new_runner().cast<internal::runner_impl>();

std::stringstream commands;

thread->set_debug_enabled(&commands);

thread->bind("foo", foo, true);

CHECK(thread->getline() == "Call1 glued to Call 2\n");

std::string c = commands.str();

CHECK(cnt == 3);

REQUIRE(thread->getline() == "Call 3 is separated\n");

CHECK(cnt == 4);

}

WHEN("the external function is unsafe for look-ahead")

{

auto thread = ink->new_runner().cast<internal::runner_impl>();

std::stringstream commands;

thread->set_debug_enabled(&commands);

thread->bind("foo", foo, false);

CHECK(thread->getline() == "Call1\n");

std::string c = commands.str();

CHECK(cnt == 1);

CHECK(thread->getline() == "glued to Call 2\n");

CHECK(cnt == 2);

CHECK(thread->getline() == "Call 3 is separated\n");

CHECK(cnt == 3);

}

}

}