Function TEST

tests/host/frame_loop_test.cpp:72–84

};

TEST(FrameLoop, TickRendersUntilBackendRequestsClose) {
    FakeHostBackend backend{/*close_after=*/3};
    int draws = 0;
    FrameLoop loop{backend, [&draws] { ++draws; }};

    loop.run();

    // close_after=3: ticks at polls 1 and 2 render; poll reaching 3 closes.
    EXPECT_EQ(loop.frame_count(), 2);
    EXPECT_EQ(draws, 2);
    EXPECT_EQ(backend.begins_, 2);
    EXPECT_EQ(backend.ends_, 2);
}

TEST(FrameLoop, TickReturnsFalseWhenClosing) {
    FakeHostBackend backend{/*close_after=*/1};