#include "gtest/gtest.h"

#include "kompute/Kompute.hpp"

TEST(TestOpTensorCreate, CreateSingleTensorSingleOp) {

    kp::Manager mgr;

    std::vector<float> testVecA{ 9, 8, 7 };

    std::shared_ptr<kp::Tensor> tensorA{new kp::Tensor(testVecA)};

    mgr.evalOpDefault<kp::OpTensorCreate>({tensorA});

    EXPECT_TRUE(tensorA->isInit());

    EXPECT_EQ(tensorA->data(), testVecA);

    tensorA->freeMemoryDestroyGPUResources();
    EXPECT_FALSE(tensorA->isInit());
}

TEST(TestOpTensorCreate, CreateMultipleTensorSingleOp) {

    kp::Manager mgr;

    std::vector<float> testVecA{ 9, 8, 7 };
    std::vector<float> testVecB{ 6, 5, 4 };

    std::shared_ptr<kp::Tensor> tensorA{new kp::Tensor(testVecA)};
    std::shared_ptr<kp::Tensor> tensorB{new kp::Tensor(testVecB)};

    mgr.evalOpDefault<kp::OpTensorCreate>({tensorA, tensorB});

    EXPECT_TRUE(tensorA->isInit());
    EXPECT_TRUE(tensorB->isInit());

    EXPECT_EQ(tensorA->data(), testVecA);
    EXPECT_EQ(tensorB->data(), testVecB);
}

TEST(TestOpTensorCreate, CreateMultipleTensorMultipleOp) {

    kp::Manager mgr;

    std::vector<float> testVecA{ 9, 8, 7 };
    std::vector<float> testVecB{ 6, 5, 4 };

    std::shared_ptr<kp::Tensor> tensorA{new kp::Tensor(testVecA)};
    std::shared_ptr<kp::Tensor> tensorB{new kp::Tensor(testVecB)};

    mgr.evalOpDefault<kp::OpTensorCreate>({tensorA});
    mgr.evalOpDefault<kp::OpTensorCreate>({tensorB});

    EXPECT_TRUE(tensorA->isInit());
    EXPECT_TRUE(tensorB->isInit());

    EXPECT_EQ(tensorA->data(), testVecA);
    EXPECT_EQ(tensorB->data(), testVecB);
}

TEST(TestOpTensorCreate, ManageTensorMemoryWhenOpTensorCreateDestroyed) {

    std::vector<float> testVecA{ 9, 8, 7 };
    std::vector<float> testVecB{ 6, 5, 4 };

    std::shared_ptr<kp::Tensor> tensorA{new kp::Tensor(testVecA)};
    std::shared_ptr<kp::Tensor> tensorB{new kp::Tensor(testVecB)};

    {
        kp::Manager mgr;
        mgr.evalOpDefault<kp::OpTensorCreate>({tensorA});
        mgr.evalOpDefault<kp::OpTensorCreate>({tensorB});

        EXPECT_TRUE(tensorA->isInit());
        EXPECT_TRUE(tensorB->isInit());

        EXPECT_EQ(tensorA->data(), testVecA);
        EXPECT_EQ(tensorB->data(), testVecB);
    }

    EXPECT_FALSE(tensorA->isInit());
    EXPECT_FALSE(tensorB->isInit());
}

TEST(TestOpTensorCreate, NoErrorIfTensorFreedBefore) {

    std::vector<float> testVecA{ 9, 8, 7 };
    std::vector<float> testVecB{ 6, 5, 4 };

    std::shared_ptr<kp::Tensor> tensorA{new kp::Tensor(testVecA)};
    std::shared_ptr<kp::Tensor> tensorB{new kp::Tensor(testVecB)};

    kp::Manager mgr;

    mgr.evalOpDefault<kp::OpTensorCreate>({tensorA});
    mgr.evalOpDefault<kp::OpTensorCreate>({tensorB});

    EXPECT_TRUE(tensorA->isInit());
    EXPECT_TRUE(tensorB->isInit());

    EXPECT_EQ(tensorA->data(), testVecA);
    EXPECT_EQ(tensorB->data(), testVecB);

    tensorA->freeMemoryDestroyGPUResources();
    tensorB->freeMemoryDestroyGPUResources();
    EXPECT_FALSE(tensorA->isInit());
    EXPECT_FALSE(tensorB->isInit());
}