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/*
* Copyright 2008-2013 NVIDIA Corporation
* Modifications Copyright© 2019 Advanced Micro Devices, Inc. All rights reserved.
*
* 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 <thrust/device_vector.h>
#include <thrust/distance.h>
#include <thrust/host_vector.h>
#include "test_header.hpp"
TESTS_DEFINE(DistanceTests, FullTestsParams);
TYPED_TEST(DistanceTests, TestDistance)
{
using Vector = typename TestFixture::input_type;
using Iterator = typename Vector::iterator;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
Vector v(100);
Iterator i = v.begin();
ASSERT_EQ(thrust::distance(i, v.end()), 100);
i++;
ASSERT_EQ(thrust::distance(i, v.end()), 99);
i += 49;
ASSERT_EQ(thrust::distance(i, v.end()), 50);
ASSERT_EQ(thrust::distance(i, i), 0);
}
TYPED_TEST(DistanceTests, TestDistanceLarge)
{
using Vector = typename TestFixture::input_type;
using Iterator = typename Vector::iterator;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
Vector v(1000);
Iterator i = v.begin();
ASSERT_EQ(thrust::distance(i, v.end()), 1000);
i++;
ASSERT_EQ(thrust::distance(i, v.end()), 999);
i += 49;
ASSERT_EQ(thrust::distance(i, v.end()), 950);
i += 950;
ASSERT_EQ(thrust::distance(i, v.end()), 0);
ASSERT_EQ(thrust::distance(i, i), 0);
}
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