diff options
Diffstat (limited to 'src/unittest')
| -rw-r--r-- | src/unittest/refcnttest.cc | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/src/unittest/refcnttest.cc b/src/unittest/refcnttest.cc deleted file mode 100644 index 5701d2473..000000000 --- a/src/unittest/refcnttest.cc +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright (c) 2010 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include <cassert> -#include <iostream> -#include <list> - -#include "base/cprintf.hh" -#include "base/refcnt.hh" -#include "unittest/unittest.hh" - -using namespace std; -using UnitTest::setCase; - -namespace { - -bool printNewDel = false; - -class TestRC; -typedef list<TestRC *> LiveList; -LiveList liveList; - -int -live() -{ - return liveList.size(); -} - -int -liveChange() -{ - static int oldLive = 0; - int newLive = live(); - int diff = newLive - oldLive; - oldLive = newLive; - return diff; -} - -class TestRC : public RefCounted -{ - protected: - const char *_tag; - LiveList::iterator liveIt; - - public: - TestRC(const char *newTag) : _tag(newTag) - { - if (printNewDel) - cprintf(" Creating object \"%s\"\n", _tag); - liveList.push_front(this); - liveIt = liveList.begin(); - } - - ~TestRC() - { - if (printNewDel) - cprintf(" Destroying object \"%s\"\n", _tag); - liveList.erase(liveIt); - } - - const char * - tag() - { - return _tag; - } - - int testVal; -}; - -typedef RefCountingPtr<TestRC> Ptr; - -} // anonymous namespace - -int -main() -{ - assert(live() == 0); - assert(liveChange() == 0); - - // Create an empty Ptr and verify it's data pointer is NULL. - setCase("NULL check"); - Ptr nullCheck; - EXPECT_EQ(nullCheck.get(), NULL); - - EXPECT_EQ(liveChange(), 0); - - // Construct a Ptr from a TestRC pointer. - setCase("construction from pointer"); - Ptr constFromPointer = new TestRC("construction from pointer"); - - EXPECT_EQ(liveChange(), 1); - - // Construct a Ptr from an existing Ptr. - setCase("construction from a Ptr"); - Ptr constFromPtr = constFromPointer; - - EXPECT_EQ(liveChange(), 0); - - // Test a Ptr being destroyed. - setCase("destroying a Ptr"); - Ptr *ptrPtr = new Ptr(new TestRC("destroying a ptr")); - EXPECT_EQ(liveChange(), 1); - delete ptrPtr; - EXPECT_EQ(liveChange(), -1); - - // Test assignment from a pointer and from a Ptr. - setCase("assignment operators"); - Ptr assignmentTarget; - TestRC *assignmentSourcePointer = new TestRC("assignment source 1"); - EXPECT_EQ(liveChange(), 1); - assignmentTarget = assignmentSourcePointer; - EXPECT_EQ(liveChange(), 0); - assignmentTarget = NULL; - EXPECT_EQ(liveChange(), -1); - Ptr assignmentSourcePtr(new TestRC("assignment source 2")); - EXPECT_EQ(liveChange(), 1); - assignmentTarget = assignmentSourcePtr; - EXPECT_EQ(liveChange(), 0); - assignmentSourcePtr = NULL; - EXPECT_EQ(liveChange(), 0); - assignmentTarget = NULL; - EXPECT_EQ(liveChange(), -1); - - // Test access to members of the pointed to class and dereferencing. - setCase("access to members"); - TestRC *accessTest = new TestRC("access test"); - Ptr accessTestPtr = accessTest; - accessTest->testVal = 1; - EXPECT_EQ(accessTestPtr->testVal, 1); - EXPECT_EQ((*accessTestPtr).testVal, 1); - accessTest->testVal = 2; - EXPECT_EQ(accessTestPtr->testVal, 2); - EXPECT_EQ((*accessTestPtr).testVal, 2); - accessTestPtr->testVal = 3; - EXPECT_EQ(accessTest->testVal, 3); - (*accessTestPtr).testVal = 4; - EXPECT_EQ(accessTest->testVal, 4); - accessTestPtr = NULL; - accessTest = NULL; - EXPECT_EQ(liveChange(), 0); - - // Test bool and ! operator overloads. - setCase("conversion to bool and ! overload"); - Ptr boolTest = new TestRC("bool test"); - EXPECT_EQ(boolTest, true); - EXPECT_EQ(!boolTest, false); - boolTest = NULL; - EXPECT_EQ(boolTest, false); - EXPECT_EQ(!boolTest, true); - EXPECT_EQ(liveChange(), 0); - - // Test the equality operators. - setCase("equality operators"); - TestRC *equalTestA = new TestRC("equal test a"); - Ptr equalTestAPtr = equalTestA; - Ptr equalTestAPtr2 = equalTestA; - TestRC *equalTestB = new TestRC("equal test b"); - Ptr equalTestBPtr = equalTestB; - EXPECT_TRUE(equalTestA == equalTestAPtr); - EXPECT_TRUE(equalTestAPtr == equalTestA); - EXPECT_TRUE(equalTestAPtr == equalTestAPtr2); - EXPECT_TRUE(equalTestA != equalTestBPtr); - EXPECT_TRUE(equalTestAPtr != equalTestB); - EXPECT_TRUE(equalTestAPtr != equalTestBPtr); - - return UnitTest::printResults(); -} |