opencv/modules/gapi/test/util/any_tests.cpp

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2018 Intel Corporation
2019-04-01 22:31:03 +08:00
#include "../test_precomp.hpp"
#include <opencv2/gapi/util/any.hpp>
namespace opencv_test
{
TEST(Any, basic)
{
using namespace util;
any a(8);
auto casted_pointer = any_cast<int>(&a);
ASSERT_NE(nullptr, casted_pointer);
ASSERT_EQ(*casted_pointer, 8);
*casted_pointer = 7;
ASSERT_EQ(any_cast<int>(a), 7);
}
TEST(Any, any_cast_ref_throws_on_empty)
{
using namespace util;
any a;
ASSERT_THROW(util::any_cast<int>(a), bad_any_cast);
}
TEST(Any, copy)
{
using namespace util;
any a(8);
ASSERT_EQ(any_cast<int>(a), 8);
any b (a);
ASSERT_NE(nullptr, any_cast<int>(&b));
ASSERT_EQ(8 , any_cast<int>(b));
ASSERT_EQ(8 , any_cast<int>(a));
}
TEST(Any, copy_empty)
{
using namespace util;
any a;
ASSERT_EQ(nullptr, any_cast<int>(&a));
any b (a);
ASSERT_EQ(nullptr, any_cast<int>(&a));
ASSERT_EQ(nullptr, any_cast<int>(&b));
}
TEST(Any, move)
{
using namespace util;
any a(8);
ASSERT_EQ(any_cast<int>(a), 8);
any b (std::move(a));
ASSERT_NE(nullptr, any_cast<int>(&b));
ASSERT_EQ(8 , any_cast<int>(b));
ASSERT_EQ(nullptr, any_cast<int>(&a));
}
TEST(Any, swap)
{
using namespace util;
any a(8);
any b(7);
ASSERT_EQ(7, any_cast<int>(b));
ASSERT_EQ(8, any_cast<int>(a));
swap(a,b);
ASSERT_EQ(8, any_cast<int>(b));
ASSERT_EQ(7, any_cast<int>(a));
}
TEST(Any, move_assign)
{
using namespace util;
any a(8);
any b;
ASSERT_EQ(any_cast<int>(a), 8);
b = (std::move(a));
ASSERT_NE(nullptr, any_cast<int>(&b));
ASSERT_EQ(8 , any_cast<int>(b));
ASSERT_EQ(nullptr, any_cast<int>(&a));
}
TEST(Any, copy_assign)
{
using namespace util;
any a(8);
any b;
ASSERT_EQ(any_cast<int>(a), 8);
ASSERT_EQ(nullptr, any_cast<int>(&b));
b = a;
ASSERT_NE(nullptr, any_cast<int>(&b));
ASSERT_EQ(8 , any_cast<int>(b));
ASSERT_EQ(8 , any_cast<int>(a));
}
TEST(Any, get_ref_to_val_from_any)
{
using namespace util;
int x = 8;
any a(x);
int& casted_ref = any_cast<int>(a);
ASSERT_EQ(casted_ref, 8);
}
TEST(Any, update_val_via_ref)
{
using namespace util;
int x = 8;
any a(x);
int& casted_ref = any_cast<int>(a);
ASSERT_EQ(casted_ref, 8);
casted_ref = 7;
ASSERT_EQ(any_cast<int>(a), 7);
}
} // namespace opencv_test