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https://github.com/opencv/opencv.git
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404 lines
9.3 KiB
C++
404 lines
9.3 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2013, NVIDIA Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the copyright holders or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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#ifdef GTEST_CAN_COMPARE_NULL
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# define EXPECT_NULL(ptr) EXPECT_EQ(NULL, ptr)
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#else
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# define EXPECT_NULL(ptr) EXPECT_TRUE(ptr == NULL)
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#endif
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using namespace cv;
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namespace {
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struct Reporter {
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Reporter(bool* deleted) : deleted_(deleted)
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{ *deleted_ = false; }
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// the destructor is virtual, so that we can test dynamic_cast later
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virtual ~Reporter()
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{ *deleted_ = true; }
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private:
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bool* deleted_;
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Reporter(const Reporter&);
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Reporter& operator = (const Reporter&);
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};
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struct ReportingDeleter {
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ReportingDeleter(bool* deleted) : deleted_(deleted)
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{ *deleted_ = false; }
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void operator()(void*)
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{ *deleted_ = true; }
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private:
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bool* deleted_;
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};
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int dummyObject;
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}
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TEST(Core_Ptr, default_ctor)
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{
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Ptr<int> p;
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EXPECT_NULL(p.get());
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}
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TEST(Core_Ptr, owning_ctor)
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{
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bool deleted = false;
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{
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Reporter* r = new Reporter(&deleted);
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Ptr<void> p(r);
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EXPECT_EQ(r, p.get());
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}
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EXPECT_TRUE(deleted);
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{
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Ptr<int> p(&dummyObject, ReportingDeleter(&deleted));
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EXPECT_EQ(&dummyObject, p.get());
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}
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EXPECT_TRUE(deleted);
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{
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Ptr<void> p((void*)0, ReportingDeleter(&deleted));
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EXPECT_NULL(p.get());
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}
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EXPECT_FALSE(deleted);
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}
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TEST(Core_Ptr, sharing_ctor)
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{
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bool deleted = false;
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{
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Ptr<Reporter> p1(new Reporter(&deleted));
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Ptr<Reporter> p2(p1);
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EXPECT_EQ(p1.get(), p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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{
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Ptr<Reporter> p1(new Reporter(&deleted));
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Ptr<void> p2(p1);
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EXPECT_EQ(p1.get(), p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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{
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Ptr<Reporter> p1(new Reporter(&deleted));
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Ptr<int> p2(p1, &dummyObject);
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EXPECT_EQ(&dummyObject, p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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}
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TEST(Core_Ptr, assignment)
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{
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bool deleted1 = false, deleted2 = false;
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{
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Ptr<Reporter> p1(new Reporter(&deleted1));
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p1 = *&p1;
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EXPECT_FALSE(deleted1);
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}
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EXPECT_TRUE(deleted1);
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{
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Ptr<Reporter> p1(new Reporter(&deleted1));
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Ptr<Reporter> p2(new Reporter(&deleted2));
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p2 = p1;
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EXPECT_TRUE(deleted2);
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EXPECT_EQ(p1.get(), p2.get());
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p1.release();
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EXPECT_FALSE(deleted1);
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}
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EXPECT_TRUE(deleted1);
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{
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Ptr<Reporter> p1(new Reporter(&deleted1));
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Ptr<void> p2(new Reporter(&deleted2));
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p2 = p1;
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EXPECT_TRUE(deleted2);
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EXPECT_EQ(p1.get(), p2.get());
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p1.release();
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EXPECT_FALSE(deleted1);
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}
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EXPECT_TRUE(deleted1);
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}
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TEST(Core_Ptr, release)
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{
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bool deleted = false;
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Ptr<Reporter> p1(new Reporter(&deleted));
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p1.release();
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EXPECT_TRUE(deleted);
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EXPECT_NULL(p1.get());
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}
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TEST(Core_Ptr, reset)
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{
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bool deleted_old = false, deleted_new = false;
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{
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Ptr<void> p(new Reporter(&deleted_old));
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Reporter* r = new Reporter(&deleted_new);
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p.reset(r);
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EXPECT_TRUE(deleted_old);
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EXPECT_EQ(r, p.get());
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}
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EXPECT_TRUE(deleted_new);
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{
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Ptr<void> p(new Reporter(&deleted_old));
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p.reset(&dummyObject, ReportingDeleter(&deleted_new));
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EXPECT_TRUE(deleted_old);
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EXPECT_EQ(&dummyObject, p.get());
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}
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EXPECT_TRUE(deleted_new);
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}
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TEST(Core_Ptr, swap)
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{
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bool deleted1 = false, deleted2 = false;
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{
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Reporter* r1 = new Reporter(&deleted1);
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Reporter* r2 = new Reporter(&deleted2);
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Ptr<Reporter> p1(r1), p2(r2);
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p1.swap(p2);
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EXPECT_EQ(r1, p2.get());
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EXPECT_EQ(r2, p1.get());
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EXPECT_FALSE(deleted1);
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EXPECT_FALSE(deleted2);
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p1.release();
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EXPECT_TRUE(deleted2);
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}
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EXPECT_TRUE(deleted1);
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{
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Reporter* r1 = new Reporter(&deleted1);
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Reporter* r2 = new Reporter(&deleted2);
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Ptr<Reporter> p1(r1), p2(r2);
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swap(p1, p2);
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EXPECT_EQ(r1, p2.get());
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EXPECT_EQ(r2, p1.get());
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EXPECT_FALSE(deleted1);
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EXPECT_FALSE(deleted2);
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p1.release();
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EXPECT_TRUE(deleted2);
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}
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EXPECT_TRUE(deleted1);
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}
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TEST(Core_Ptr, accessors)
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{
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{
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Ptr<int> p;
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EXPECT_NULL(static_cast<int*>(p));
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EXPECT_TRUE(p.empty());
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}
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{
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Size* s = new Size();
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Ptr<Size> p(s);
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EXPECT_EQ(s, static_cast<Size*>(p));
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EXPECT_EQ(s, &*p);
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EXPECT_EQ(&s->width, &p->width);
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EXPECT_FALSE(p.empty());
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}
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}
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namespace {
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struct SubReporterBase {
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virtual ~SubReporterBase() {}
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int padding;
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};
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/* multiple inheritance, so that casts do something interesting */
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struct SubReporter : SubReporterBase, Reporter
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{
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SubReporter(bool* deleted) : Reporter(deleted)
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{}
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};
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}
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TEST(Core_Ptr, casts)
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{
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bool deleted = false;
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{
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Ptr<const Reporter> p1(new Reporter(&deleted));
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Ptr<Reporter> p2 = p1.constCast<Reporter>();
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EXPECT_EQ(p1.get(), p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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{
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SubReporter* sr = new SubReporter(&deleted);
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Ptr<Reporter> p1(sr);
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// This next check isn't really for Ptr itself; it checks that Reporter
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// is at a non-zero offset within SubReporter, so that the next
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// check will give us more confidence that the cast actually did something.
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EXPECT_NE(static_cast<void*>(sr), static_cast<void*>(p1.get()));
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Ptr<SubReporter> p2 = p1.staticCast<SubReporter>();
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EXPECT_EQ(sr, p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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{
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SubReporter* sr = new SubReporter(&deleted);
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Ptr<Reporter> p1(sr);
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EXPECT_NE(static_cast<void*>(sr), static_cast<void*>(p1.get()));
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Ptr<void> p2 = p1.dynamicCast<void>();
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EXPECT_EQ(sr, p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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{
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Ptr<Reporter> p1(new Reporter(&deleted));
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Ptr<SubReporter> p2 = p1.dynamicCast<SubReporter>();
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EXPECT_NULL(p2.get());
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p1.release();
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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}
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TEST(Core_Ptr, comparisons)
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{
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Ptr<int> p1, p2(new int), p3(new int);
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Ptr<int> p4(p2, p3.get());
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// Not using EXPECT_EQ here, since none of them are really "expected" or "actual".
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EXPECT_TRUE(p1 == p1);
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EXPECT_TRUE(p2 == p2);
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EXPECT_TRUE(p2 != p3);
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EXPECT_TRUE(p2 != p4);
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EXPECT_TRUE(p3 == p4);
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}
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TEST(Core_Ptr, make)
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{
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bool deleted = true;
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{
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Ptr<void> p = makePtr<Reporter>(&deleted);
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EXPECT_FALSE(deleted);
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}
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EXPECT_TRUE(deleted);
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}
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}} // namespace
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namespace {
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struct SpeciallyDeletable
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{
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SpeciallyDeletable() : deleted(false)
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{}
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bool deleted;
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};
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}
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namespace cv {
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template<>
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void DefaultDeleter<SpeciallyDeletable>::operator()(SpeciallyDeletable * obj) const
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{ obj->deleted = true; }
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}
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namespace opencv_test { namespace {
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TEST(Core_Ptr, specialized_deleter)
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{
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SpeciallyDeletable sd;
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{ Ptr<void> p(&sd); }
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ASSERT_TRUE(sd.deleted);
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}
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}} // namespace
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