#include "render_3D/detail/Render_Domain.h"
#include <gtest/gtest.h>
#include <atomic>
#include <utility>
namespace renderive::render_3d::detail {
namespace {
static_assert(noexcept(std::declval<Render_Domain&>().post(std::declval<Render_Domain::Prepared_Task>())));
TEST(RenderDomain, SharesDomainPerGpuIndex) {
    auto first = Render_Domain::acquire(0x7ffffffcU);
    auto second = Render_Domain::acquire(0x7ffffffcU);
    auto other = Render_Domain::acquire(0x7ffffffbU);
    EXPECT_EQ(first, second);
    EXPECT_NE(first, other);
}
TEST(RenderDomain, PreparedTaskRunsAfterNoThrowHandoff) {
    auto domain = Render_Domain::acquire(0x7ffffffaU);
    std::atomic<bool> executed{};
    auto task = domain->prepare([&] {
        executed.store(true, std::memory_order_release);
    });
    domain->post(std::move(task));
    domain->invoke([] {});
    EXPECT_TRUE(executed.load(std::memory_order_acquire));
}
TEST(RenderDomain, AbandonedPreparedTasksReleaseReservedCapacity) {
    auto domain = Render_Domain::acquire(0x7ffffff9U);
    for (std::size_t index = 0; index < 128; ++index) {
        auto task = domain->prepare([] {});
    }
    domain->invoke([] {});
}
TEST(RenderDomain, NestedInvokeExecutesInlineOnTheAffinityThread) {
    auto domain = Render_Domain::acquire(0x7ffffff8U);
    const int value = domain->invoke([domain] {
        return domain->invoke([] { return 42; });
    });
    EXPECT_EQ(value, 42);
}
TEST(RenderDomain, ReportsBoundedAdmissionStatistics) {
    auto domain = Render_Domain::acquire(0x7ffffff7U);
    const auto statistics = domain->statistics();
    EXPECT_EQ(statistics.capacity, 64U);
    EXPECT_TRUE(statistics.admitted <= statistics.capacity);
    EXPECT_TRUE(statistics.queued <= statistics.capacity);
}
}
}