// Copyright (C) 2018-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//

#include "gtest/gtest.h"
#include "ngraph/ngraph.hpp"
#include "ngraph/util.hpp"
#include "runtime/backend.hpp"
#include "util/all_close_f.hpp"
#include "util/test_tools.hpp"

using namespace std;
using namespace ngraph;

TEST(backend_api, registered_devices) {
    vector<string> devices = runtime::Backend::get_registered_devices();
    EXPECT_GE(devices.size(), 0);

    EXPECT_TRUE(find(devices.begin(), devices.end(), "INTERPRETER") != devices.end());
}

TEST(backend_api, invalid_name) {
    ASSERT_ANY_THROW(ngraph::runtime::Backend::create("COMPLETELY-BOGUS-NAME"));
}

TEST(backend_api, config) {
    auto backend = runtime::Backend::create("INTERPRETER");
    string error;
    string message = "hello";
    map<string, string> config = {{"test_echo", message}};
    EXPECT_TRUE(backend->set_config(config, error));
    EXPECT_STREQ(error.c_str(), message.c_str());
    EXPECT_FALSE(backend->set_config({}, error));
    EXPECT_STREQ(error.c_str(), "");
}

TEST(backend_api, DISABLED_config_unsupported) {
    auto backend = runtime::Backend::create("NOP");
    string error;
    string message = "hello";
    map<string, string> config = {{"test_echo", message}};
    EXPECT_FALSE(backend->set_config(config, error));
    EXPECT_FALSE(error == "");
}