MushMachine/framework/engine/test/run_test.cpp

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#include <gtest/gtest.h>
#include <memory>
#include <mm/engine.hpp>
TEST(engine_run, test_run) {
MM::Engine engine{std::make_unique};
bool run = false;
auto test_fun = [&run](auto& e) {
run = true;
e.stop();
};
auto handle = engine.addFixedUpdate(test_fun);
ASSERT_NE(handle.lock(), nullptr);
handle.lock()->priority = 1;
ASSERT_FALSE(run);
engine.run();
ASSERT_TRUE(run);
engine.removeFixedUpdate(handle);
}
TEST(engine_run, test_mult_run) {
MM::Engine engine;
bool run = false;
unsigned int fu_count = 0;
unsigned int u_count = 0;
const unsigned int f_to_do = 4;
auto test_f_fun = [&](auto& e) {
run = true;
fu_count++;
if (fu_count >= f_to_do)
e.stop();
};
auto handle_f = engine.addFixedUpdate(test_f_fun);
ASSERT_NE(handle_f.lock(), nullptr);
handle_f.lock()->priority = 1;
auto handle = engine.addUpdate([&u_count](auto&) { u_count++; });
ASSERT_NE(handle_f.lock(), nullptr);
handle.lock()->priority = 1;
ASSERT_FALSE(run);
engine.run();
ASSERT_TRUE(run);
EXPECT_GT(u_count, f_to_do) << "expected more update runs than fixed update runs...";
std::cout << "while performing " << f_to_do << " fixed updates, the engine did " << u_count << " updates.\n";
engine.removeFixedUpdate(handle_f);
}