//*****************************************************************************
// Copyright 2017-2020 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************

#include "gtest/gtest.h"
#include "ngraph/ngraph.hpp"
#include "util/type_prop.hpp"

using namespace std;
using namespace ngraph;

TEST(type_prop, non_zero)
{
    auto data = make_shared<op::Parameter>(element::f32, Shape{3, 3, 224, 224});
    auto non_zero = make_shared<op::v3::NonZero>(data);
    EXPECT_EQ(non_zero->get_output_element_type(0), element::i64);
    EXPECT_TRUE(
        non_zero->get_output_partial_shape(0).same_scheme(PartialShape{4, Dimension::dynamic()}));
}

TEST(type_prop, non_zero_dynamic)
{
    auto data = make_shared<op::Parameter>(element::f32, PartialShape::dynamic());
    auto non_zero = make_shared<op::v3::NonZero>(data);
    EXPECT_EQ(non_zero->get_output_element_type(0), element::i64);
    EXPECT_TRUE(non_zero->get_output_partial_shape(0).same_scheme(
        PartialShape{Dimension::dynamic(), Dimension::dynamic()}));
}

TEST(type_prop, non_zero_output_type)
{
    auto data = make_shared<op::Parameter>(element::f32, Shape{1, 2, 3, 4});
    auto non_zero = make_shared<op::v3::NonZero>(data, element::i32);

    ASSERT_EQ(non_zero->get_output_element_type(0), element::i32);
    EXPECT_TRUE(
        non_zero->get_output_partial_shape(0).same_scheme(PartialShape{4, Dimension::dynamic()}));
}

TEST(type_prop, non_zero_string_output_type)
{
    auto data = make_shared<op::Parameter>(element::f32, Shape{1, 2, 3, 4});
    auto non_zero = make_shared<op::v3::NonZero>(data, "i32");

    ASSERT_EQ(non_zero->get_output_element_type(0), element::i32);
    EXPECT_TRUE(
        non_zero->get_output_partial_shape(0).same_scheme(PartialShape{4, Dimension::dynamic()}));
}

TEST(type_prop, non_zero_fail_index_element_type)
{
    // Deduce type
    auto data = make_shared<op::Parameter>(element::f32, Shape{1, 2, 3, 4});
    try
    {
        auto non_zero = make_shared<op::v3::NonZero>(data, element::i16);

        // Should have thrown, so fail if it didn't
        FAIL() << "Invalid output type not detected";
    }
    catch (const NodeValidationFailure& error)
    {
        EXPECT_HAS_SUBSTRING(error.what(), std::string("Output type must be i32 or i64"));
    }
    catch (...)
    {
        FAIL() << "Deduced type check failed for unexpected reason";
    }
}
