diff options
Diffstat (limited to 'src/base')
| -rw-r--r-- | src/base/SConscript | 1 | ||||
| -rw-r--r-- | src/base/refcnt.test.cc | 176 |
2 files changed, 177 insertions, 0 deletions
diff --git a/src/base/SConscript b/src/base/SConscript index ba17f6725..0c7558d09 100644 --- a/src/base/SConscript +++ b/src/base/SConscript @@ -91,6 +91,7 @@ GTest('bitunion.test', 'bitunion.test.cc') GTest('circlebuf.test', 'circlebuf.test.cc') GTest('circular_queue.test', 'circular_queue.test.cc') GTest('sat_counter.test', 'sat_counter.test.cc') +GTest('refcnt.test','refcnt.test.cc') DebugFlag('Annotate', "State machine annotation debugging") DebugFlag('AnnotateQ', "State machine annotation queue debugging") diff --git a/src/base/refcnt.test.cc b/src/base/refcnt.test.cc new file mode 100644 index 000000000..a4ff0b517 --- /dev/null +++ b/src/base/refcnt.test.cc @@ -0,0 +1,176 @@ +/* + * Copyright (c) 2019 The Regents of The University of California + * All rights resvered. + * + * 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 + * Bobby R. Bruce + */ + +#include <gtest/gtest.h> + +#include <list> + +#include "base/refcnt.hh" + +using namespace std; + +namespace { + +class TestRC; +typedef list<TestRC *> LiveList; +LiveList liveList; + +int +liveListSize(){ + return liveList.size(); +} + +class TestRC : public RefCounted +{ + protected: + LiveList::iterator liveIt; + + public: + TestRC() + { + liveList.push_front(this); + liveIt = liveList.begin(); + } + + ~TestRC() + { + liveList.erase(liveIt); + } + + int testVal; +}; +typedef RefCountingPtr<TestRC> Ptr; + +} // anonymous namespace + +TEST(RefcntTest, NullPointerCheck) +{ + // Create an empty Ptr and verify it's data pointer is NULL. + Ptr nullCheck; + EXPECT_EQ(NULL, nullCheck.get()); + EXPECT_EQ(0, liveListSize()); +} + +TEST(RefcntTest, ConstructionFromPointer) +{ + // Construct a Ptr from a TestRC pointer. + Ptr constFromPointer = new TestRC(); + EXPECT_EQ(1, liveListSize()); +} + +TEST(RefcntTest, ConstructionFromExistingPointer) +{ + // Construct a Ptr from an existing Ptr. + Ptr constFromPointer1 = new TestRC(); + Ptr constFromPointer2 = constFromPointer1; + + EXPECT_EQ(1, liveListSize()); +} + +TEST(RefcntTest, DestroyPointer) +{ + // Test a Ptr being destroyed. + Ptr *ptrPtr = new Ptr(new TestRC()); + EXPECT_EQ(1, liveListSize()); + delete ptrPtr; + EXPECT_EQ(0, liveListSize()); +} + +TEST(RefcntTest, AssignmentFromAPointerFromAPointer) +{ + // Test assignment from a pointer and from a Ptr. + Ptr assignmentTarget; + TestRC *assignmentSourcePointer = new TestRC(); + EXPECT_EQ(liveListSize(), 1); + assignmentTarget = assignmentSourcePointer; + EXPECT_EQ(liveListSize(), 1); + assignmentTarget = NULL; + EXPECT_EQ(liveListSize(), 0); + Ptr assignmentSourcePtr(new TestRC()); + EXPECT_EQ(liveListSize(), 1); + assignmentTarget = assignmentSourcePtr; + EXPECT_EQ(liveListSize(), 1); + assignmentSourcePtr = NULL; + EXPECT_EQ(liveListSize(), 1); + assignmentTarget = NULL; + EXPECT_EQ(liveListSize(), 0); +} + +TEST(RefcntTest, AccessToClassPointers) +{ + // Test access to members of the pointed to class and dereferencing. + TestRC *accessTest = new TestRC(); + Ptr accessTestPtr = accessTest; + accessTest->testVal = 1; + EXPECT_EQ(1, accessTestPtr->testVal); + EXPECT_EQ(1, (*accessTestPtr).testVal); + accessTest->testVal = 2; + EXPECT_EQ(2, accessTestPtr->testVal); + EXPECT_EQ(2, (*accessTestPtr).testVal); + accessTestPtr->testVal = 3; + EXPECT_EQ(3, accessTest->testVal); + (*accessTestPtr).testVal = 4; + EXPECT_EQ(4, accessTest->testVal); + accessTestPtr = NULL; + accessTest = NULL; + EXPECT_EQ(0, liveListSize()); +} + +TEST(RefcntTest, BoolAndLogicalNotOperatorOverloads) +{ + // Test bool and ! operator overloads. + Ptr boolTest = new TestRC(); + EXPECT_EQ(boolTest, true); + EXPECT_EQ(!boolTest, false); + boolTest = NULL; + EXPECT_FALSE(boolTest); + EXPECT_TRUE(!boolTest); + EXPECT_EQ(0, liveListSize()); +} + +TEST(RefcntTest, EqualityOperators) +{ + // Test the equality operators. + TestRC *equalTestA = new TestRC(); + Ptr equalTestAPtr = equalTestA; + Ptr equalTestAPtr2 = equalTestA; + TestRC *equalTestB = new TestRC(); + 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); +}
\ No newline at end of file |