//
// Bareflank Hypervisor
// Copyright (C) 2015 Assured Information Security, Inc.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

#include <bftypes.h>

#include <catch/catch.hpp>
#include <vcpu/vcpu.h>

TEST_CASE("vcpu: invalid_id")
{
    CHECK_THROWS(std::make_unique<bfvmm::vcpu>(vcpuid::reserved));
}

TEST_CASE("vcpu: valid")
{
    CHECK_NOTHROW(std::make_unique<bfvmm::vcpu>(0));
}

TEST_CASE("vcpu: init_null_attr")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_initialized());
    vc->init(nullptr);
    CHECK(vc->is_initialized());
}

TEST_CASE("vcpu: init_valid_attr")
{
    bfobject data{};
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_initialized());
    vc->init(&data);
    CHECK(vc->is_initialized());
}

TEST_CASE("vcpu: fini_null_attr")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();

    CHECK(vc->is_initialized());
    vc->fini(nullptr);
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: fini_valid_attr")
{
    bfobject data{};
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();

    CHECK(vc->is_initialized());
    vc->fini(&data);
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: fini_without_init_without_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
    vc->fini();
    CHECK_FALSE(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: fini_with_init_without_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();

    CHECK_FALSE(vc->is_running());
    CHECK(vc->is_initialized());
    vc->fini();
    CHECK_FALSE(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: fini_without_init_with_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->run();

    CHECK(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
    vc->fini();
    CHECK_FALSE(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: fini_with_init_with_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();
    vc->run();

    CHECK(vc->is_running());
    CHECK(vc->is_initialized());
    vc->fini();
    CHECK_FALSE(vc->is_running());
    CHECK_FALSE(vc->is_initialized());
}

TEST_CASE("vcpu: run_null_attr")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->run(nullptr);
    CHECK(vc->is_running());
}

TEST_CASE("vcpu: run_valid_attr")
{
    bfobject data{};
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->run(&data);
    CHECK(vc->is_running());
}

TEST_CASE("vcpu: run_without_init")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->run();
    CHECK(vc->is_running());
}

TEST_CASE("vcpu: run_with_init")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();

    CHECK_FALSE(vc->is_running());
    vc->run();
    CHECK(vc->is_running());
}

TEST_CASE("vcpu: hlt_null_attr")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->hlt(nullptr);
    CHECK_FALSE(vc->is_running());
}

TEST_CASE("vcpu: hlt_valid_attr")
{
    bfobject data{};
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->hlt(&data);
    CHECK_FALSE(vc->is_running());
}

TEST_CASE("vcpu: hlt_without_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    CHECK_FALSE(vc->is_running());
    vc->hlt();
    CHECK_FALSE(vc->is_running());
}

TEST_CASE("vcpu: hlt_with_run")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->run();

    CHECK(vc->is_running());
    vc->hlt();
    CHECK_FALSE(vc->is_running());
}

TEST_CASE("vcpu: id")
{
    auto vc = std::make_unique<bfvmm::vcpu>(1);
    CHECK(vc->id() == 1);
}

TEST_CASE("vcpu: is_bootstrap_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK(vc->is_bootstrap_vcpu());
}

TEST_CASE("vcpu: is_not_bootstrap_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(1);
    CHECK_FALSE(vc->is_bootstrap_vcpu());
}

TEST_CASE("vcpu: is_host_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(1);
    CHECK(vc->is_host_vm_vcpu());
}

TEST_CASE("vcpu: is_not_host_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0x0000000100000000);
    CHECK_FALSE(vc->is_host_vm_vcpu());
}

TEST_CASE("vcpu: is_running_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->run();
    CHECK(vc->is_running());
}

TEST_CASE("vcpu: is_not_running_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_FALSE(vc->is_running());
}

TEST_CASE("vcpu: is_initialized_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);

    vc->init();
    CHECK(vc->is_initialized());
}

TEST_CASE("vcpu: is_not_initialized_vm_vcpu")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_FALSE(vc->is_initialized());
}

void
test_delegate(bfobject *data)
{ bfignored(data); }

TEST_CASE("vcpu: run_delegate")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_NOTHROW(vc->add_run_delegate(bfvmm::vcpu::run_delegate_t::create<test_delegate>()));
    CHECK_NOTHROW(vc->run());
}

TEST_CASE("vcpu: hlt_delegate")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_NOTHROW(vc->add_hlt_delegate(bfvmm::vcpu::hlt_delegate_t::create<test_delegate>()));
    CHECK_NOTHROW(vc->hlt());
}

TEST_CASE("vcpu: init_delegate")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_NOTHROW(vc->add_init_delegate(bfvmm::vcpu::init_delegate_t::create<test_delegate>()));
    CHECK_NOTHROW(vc->init());
}

TEST_CASE("vcpu: fini_delegate")
{
    auto vc = std::make_unique<bfvmm::vcpu>(0);
    CHECK_NOTHROW(vc->add_fini_delegate(bfvmm::vcpu::fini_delegate_t::create<test_delegate>()));
    CHECK_NOTHROW(vc->fini());
}