693 lines
25 KiB
C++
693 lines
25 KiB
C++
/*
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* Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may 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 EARLIER MENTIONED AUTHORS ''AS IS'' AND ANY
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* 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
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* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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* DIRECT, 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 AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "CppUTest/TestHarness.h"
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#include "CppUTest/MemoryLeakDetector.h"
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#include "CppUTest/TestMemoryAllocator.h"
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#include "CppUTest/PlatformSpecificFunctions.h"
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class MemoryLeakFailureForTest: public MemoryLeakFailure
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{
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public:
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virtual ~MemoryLeakFailureForTest() CPPUTEST_DESTRUCTOR_OVERRIDE
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{
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}
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virtual void fail(char* fail_string) CPPUTEST_OVERRIDE
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{
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*message = fail_string;
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}
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SimpleString *message;
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};
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class NewAllocatorForMemoryLeakDetectionTest: public TestMemoryAllocator
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{
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public:
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NewAllocatorForMemoryLeakDetectionTest() :
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TestMemoryAllocator("Standard New Allocator", "new", "delete"),
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alloc_called(0), free_called(0)
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{
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}
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int alloc_called;
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int free_called;
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char* alloc_memory(size_t size, const char*, size_t) CPPUTEST_OVERRIDE
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{
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alloc_called++;
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return TestMemoryAllocator::alloc_memory(size, "file", 1);
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}
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void free_memory(char* memory, size_t size, const char* file, size_t line) CPPUTEST_OVERRIDE
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{
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free_called++;
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TestMemoryAllocator::free_memory(memory, size, file, line);
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}
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};
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class AllocatorForMemoryLeakDetectionTest: public TestMemoryAllocator
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{
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public:
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AllocatorForMemoryLeakDetectionTest() :
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alloc_called(0), free_called(0), allocMemoryLeakNodeCalled(0), freeMemoryLeakNodeCalled(0)
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{
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}
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int alloc_called;
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int free_called;
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int allocMemoryLeakNodeCalled;
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int freeMemoryLeakNodeCalled;
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char* alloc_memory(size_t size, const char* file, size_t line) CPPUTEST_OVERRIDE
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{
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alloc_called++;
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return TestMemoryAllocator::alloc_memory(size, file, line);
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}
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void free_memory(char* memory, size_t size, const char* file, size_t line) CPPUTEST_OVERRIDE
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{
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free_called++;
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TestMemoryAllocator::free_memory(memory, size, file, line);
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}
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char* allocMemoryLeakNode(size_t size) CPPUTEST_OVERRIDE
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{
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allocMemoryLeakNodeCalled++;
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return TestMemoryAllocator::alloc_memory(size, __FILE__, __LINE__);
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}
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void freeMemoryLeakNode(char* memory) CPPUTEST_OVERRIDE
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{
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freeMemoryLeakNodeCalled++;
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TestMemoryAllocator::free_memory(memory, 0, __FILE__, __LINE__);
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}
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};
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TEST_GROUP(MemoryLeakDetectorTest)
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{
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MemoryLeakDetector* detector;
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MemoryLeakFailureForTest *reporter;
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AllocatorForMemoryLeakDetectionTest* testAllocator;
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void setup() CPPUTEST_OVERRIDE
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{
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reporter = new MemoryLeakFailureForTest;
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detector = new MemoryLeakDetector(reporter);
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testAllocator = new AllocatorForMemoryLeakDetectionTest;
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detector->enable();
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detector->startChecking();
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reporter->message = new SimpleString();
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}
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void teardown() CPPUTEST_OVERRIDE
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{
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delete reporter->message;
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delete detector;
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delete reporter;
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delete testAllocator;
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}
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};
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TEST(MemoryLeakDetectorTest, OneLeak)
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{
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char* mem = detector->allocMemory(testAllocator, 3);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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STRCMP_CONTAINS("Memory leak(s) found", output.asCharString());
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STRCMP_CONTAINS("size: 3", output.asCharString());
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STRCMP_CONTAINS("alloc", output.asCharString());
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STRCMP_CONTAINS(StringFromFormat("%p", (void*) mem).asCharString(), output.asCharString());
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STRCMP_CONTAINS("Total number of leaks", output.asCharString());
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PlatformSpecificFree(mem);
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LONGS_EQUAL(1, testAllocator->alloc_called);
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LONGS_EQUAL(0, testAllocator->free_called);
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}
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TEST(MemoryLeakDetectorTest, sequenceNumbersOfMemoryLeaks)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 1);
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char* mem2 = detector->allocMemory(defaultNewAllocator(), 2);
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char* mem3 = detector->allocMemory(defaultNewAllocator(), 3);
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SimpleString output = detector->report(mem_leak_period_checking);
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STRCMP_CONTAINS("Alloc num (1)", output.asCharString());
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STRCMP_CONTAINS("Alloc num (2)", output.asCharString());
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STRCMP_CONTAINS("Alloc num (3)", output.asCharString());
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PlatformSpecificFree(mem);
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PlatformSpecificFree(mem2);
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PlatformSpecificFree(mem3);
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}
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TEST(MemoryLeakDetectorTest, memoryDumpOutput)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 6);
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SimpleString::StrNCpy(mem, "test1", 6);
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SimpleString output = detector->report(mem_leak_period_checking);
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STRCMP_CONTAINS("Alloc num (1)", output.asCharString());
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STRCMP_CONTAINS("Leak size: 6 Allocated at", output.asCharString());
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STRCMP_CONTAINS("Content:", output.asCharString());
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STRCMP_CONTAINS("0000: 74 65 73 74 31 00 |test1.|", output.asCharString());
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, OneHundredLeaks)
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{
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const int amount_alloc = 100;
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char *mem[amount_alloc];
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for (int i = 0; i < amount_alloc; i++)
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mem[i] = detector->allocMemory(defaultMallocAllocator(), 3);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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STRCMP_CONTAINS("Memory leak(s) found", output.asCharString());
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STRCMP_CONTAINS("Total number of leaks", output.asCharString());
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STRCMP_CONTAINS("Memory leak reports about malloc and free", output.asCharString());
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//don't reuse i for vc6 compatibility
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for (int j = 0; j < amount_alloc; j++)
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PlatformSpecificFree(mem[j]);
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}
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TEST(MemoryLeakDetectorTest, OneLeakOutsideCheckingPeriod)
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{
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detector->stopChecking();
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char* mem = detector->allocMemory(defaultNewAllocator(), 4);
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SimpleString output = detector->report(mem_leak_period_all);
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CHECK(output.contains("Memory leak(s) found"));
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CHECK(output.contains("size: 4"));
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CHECK(output.contains("new"));
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CHECK(output.contains("Total number of leaks"));
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, NoLeaksWhatsoever)
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{
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detector->stopChecking();
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STRCMP_CONTAINS("No memory leaks", detector->report(mem_leak_period_checking));
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STRCMP_CONTAINS("No memory leaks", detector->report(mem_leak_period_all));
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}
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TEST(MemoryLeakDetectorTest, TwoLeaksUsingOperatorNew)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 4);
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char* mem2 = detector->allocMemory(defaultNewAllocator(), 8);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_checking));
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CHECK(output.contains("size: 8"));
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CHECK(output.contains("size: 4"));
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PlatformSpecificFree(mem);
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PlatformSpecificFree(mem2);
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}
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TEST(MemoryLeakDetectorTest, OneAllocButNoLeak)
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{
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char* mem = detector->allocMemory(testAllocator, 4);
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detector->deallocMemory(testAllocator, mem);
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detector->stopChecking();
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STRCMP_CONTAINS("No memory leaks", detector->report(mem_leak_period_checking));
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LONGS_EQUAL(1, testAllocator->alloc_called);
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LONGS_EQUAL(1, testAllocator->free_called);
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}
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TEST(MemoryLeakDetectorTest, TwoAllocOneFreeOneLeak)
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{
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char* mem = detector->allocMemory(testAllocator, 4);
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char* mem2 = detector->allocMemory(testAllocator, 12);
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detector->deallocMemory(testAllocator, mem);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
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CHECK(output.contains("Leak size: 12"));
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CHECK(!output.contains("Leak size: 4"));
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PlatformSpecificFree(mem2);
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LONGS_EQUAL(2, testAllocator->alloc_called);
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LONGS_EQUAL(1, testAllocator->free_called);
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}
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TEST(MemoryLeakDetectorTest, TwoAllocOneFreeOneLeakReverseOrder)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 4);
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char* mem2 = detector->allocMemory(defaultNewAllocator(), 12);
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detector->deallocMemory(defaultNewAllocator(), mem2);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
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CHECK(!output.contains("size: 12"));
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CHECK(output.contains("size: 4"));
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, DeleteNonAlocatedMemory)
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{
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char a;
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char* pa = &a;
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detector->deallocMemory(defaultMallocAllocator(), pa, "FREE.c", 100);
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detector->stopChecking();
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CHECK(reporter->message->contains("Deallocating non-allocated memory"));
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CHECK(reporter->message->contains(" allocated at file: <unknown> line: 0 size: 0 type: unknown"));
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CHECK(reporter->message->contains(" deallocated at file: FREE.c line: 100 type: free"));
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}
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TEST(MemoryLeakDetectorTest, IgnoreMemoryAllocatedOutsideCheckingPeriod)
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{
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detector->stopChecking();
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char* mem = detector->allocMemory(defaultNewAllocator(), 4);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->deallocMemory(defaultNewAllocator(), mem);
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}
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TEST(MemoryLeakDetectorTest, IgnoreMemoryAllocatedOutsideCheckingPeriodComplicatedCase)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 4);
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detector->stopChecking();
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char* mem2 = detector->allocMemory(defaultNewAllocator(), 8);
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
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detector->clearAllAccounting(mem_leak_period_checking);
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PlatformSpecificFree(mem);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->startChecking();
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char* mem3 = detector->allocMemory(defaultNewAllocator(), 4);
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detector->stopChecking();
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->clearAllAccounting(mem_leak_period_checking);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->clearAllAccounting(mem_leak_period_all);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_all));
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PlatformSpecificFree(mem2);
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PlatformSpecificFree(mem3);
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}
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TEST(MemoryLeakDetectorTest, OneLeakUsingOperatorNewWithFileLine)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 4, "file.cpp", 1234);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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CHECK(output.contains("file.cpp"));
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CHECK(output.contains("1234"));
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, OneAllocAndFreeUsingArrayNew)
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{
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char* mem = detector->allocMemory(defaultNewArrayAllocator(), 10, "file.cpp", 1234);
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char* mem2 = detector->allocMemory(defaultNewArrayAllocator(), 12);
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_all));
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SimpleString output = detector->report(mem_leak_period_checking);
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CHECK(output.contains("new []"));
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detector->deallocMemory(defaultNewArrayAllocator(), mem);
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detector->deallocMemory(defaultNewArrayAllocator(), mem2);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->stopChecking();
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}
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TEST(MemoryLeakDetectorTest, OneAllocAndFree)
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{
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char* mem = detector->allocMemory(defaultMallocAllocator(), 10, "file.cpp", 1234);
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char* mem2 = detector->allocMemory(defaultMallocAllocator(), 12);
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_checking));
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SimpleString output = detector->report(mem_leak_period_checking);
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CHECK(output.contains("malloc"));
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detector->deallocMemory(defaultMallocAllocator(), mem);
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detector->deallocMemory(defaultMallocAllocator(), mem2, "file.c", 5678);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->stopChecking();
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}
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TEST(MemoryLeakDetectorTest, OneRealloc)
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{
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char* mem1 = detector->allocMemory(testAllocator, 10, "file.cpp", 1234, true);
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char* mem2 = detector->reallocMemory(testAllocator, mem1, 1000, "other.cpp", 5678, true);
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LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
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SimpleString output = detector->report(mem_leak_period_checking);
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CHECK(output.contains("other.cpp"));
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detector->deallocMemory(testAllocator, mem2, true);
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->stopChecking();
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LONGS_EQUAL(1, testAllocator->alloc_called);
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LONGS_EQUAL(1, testAllocator->free_called);
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LONGS_EQUAL(2, testAllocator->allocMemoryLeakNodeCalled);
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LONGS_EQUAL(2, testAllocator->freeMemoryLeakNodeCalled);
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}
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TEST(MemoryLeakDetectorTest, ReallocNonAllocatedMemory)
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{
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char mem1;
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char* mem2 = detector->reallocMemory(testAllocator, &mem1, 5, "other.cpp", 13, true);
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detector->deallocMemory(testAllocator, mem2, true);
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detector->stopChecking();
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CHECK(reporter->message->contains("Deallocating non-allocated memory\n"));
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CHECK(reporter->message->contains(" deallocated at file: other.cpp line: 13"));
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}
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TEST(MemoryLeakDetectorTest, AllocOneTypeFreeAnotherType)
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{
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char* mem = detector->allocMemory(defaultNewArrayAllocator(), 100, "ALLOC.c", 10);
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detector->deallocMemory(defaultMallocAllocator(), mem, "FREE.c", 100);
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detector->stopChecking();
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CHECK(reporter->message->contains("Allocation/deallocation type mismatch"));
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CHECK(reporter->message->contains(" allocated at file: ALLOC.c line: 10 size: 100 type: new []"));
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CHECK(reporter->message->contains(" deallocated at file: FREE.c line: 100 type: free"));
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}
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TEST(MemoryLeakDetectorTest, AllocOneTypeFreeAnotherTypeWithCheckingDisabled)
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{
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detector->disableAllocationTypeChecking();
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char* mem = detector->allocMemory(defaultNewArrayAllocator(), 100, "ALLOC.c", 10);
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detector->deallocMemory(defaultNewAllocator(), mem, "FREE.c", 100);
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detector->stopChecking();
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STRCMP_EQUAL("", reporter->message->asCharString());
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detector->enableAllocationTypeChecking();
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}
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TEST(MemoryLeakDetectorTest, mallocLeakGivesAdditionalWarning)
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{
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char* mem = detector->allocMemory(defaultMallocAllocator(), 100, "ALLOC.c", 10);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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STRCMP_CONTAINS("Memory leak reports about malloc and free can be caused by allocating using the cpputest version of malloc", output.asCharString());
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, newLeakDoesNotGiveAdditionalWarning)
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{
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char* mem = detector->allocMemory(defaultNewAllocator(), 100, "ALLOC.c", 10);
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detector->stopChecking();
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SimpleString output = detector->report(mem_leak_period_checking);
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CHECK(! output.contains("Memory leak reports about malloc and free"));
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PlatformSpecificFree(mem);
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}
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TEST(MemoryLeakDetectorTest, MarkCheckingPeriodLeaksAsNonCheckingPeriod)
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{
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char* mem = detector->allocMemory(defaultNewArrayAllocator(), 100);
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char* mem2 = detector->allocMemory(defaultNewArrayAllocator(), 100);
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detector->stopChecking();
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_all));
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detector->markCheckingPeriodLeaksAsNonCheckingPeriod();
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LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
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LONGS_EQUAL(2, detector->totalMemoryLeaks(mem_leak_period_all));
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PlatformSpecificFree(mem);
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PlatformSpecificFree(mem2);
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}
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TEST(MemoryLeakDetectorTest, memoryCorruption)
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{
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char* mem = detector->allocMemory(defaultMallocAllocator(), 10, "ALLOC.c", 10);
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mem[10] = 'O';
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mem[11] = 'H';
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detector->deallocMemory(defaultMallocAllocator(), mem, "FREE.c", 100);
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detector->stopChecking();
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CHECK(reporter->message->contains("Memory corruption"));
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CHECK(reporter->message->contains(" allocated at file: ALLOC.c line: 10 size: 10 type: malloc"));
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CHECK(reporter->message->contains(" deallocated at file: FREE.c line: 100 type: free"));
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}
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TEST(MemoryLeakDetectorTest, safelyDeleteNULL)
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{
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detector->deallocMemory(defaultNewAllocator(), NULLPTR);
|
|
STRCMP_EQUAL("", reporter->message->asCharString());
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, periodDisabled)
|
|
{
|
|
detector->disable();
|
|
char* mem = detector->allocMemory(defaultMallocAllocator(), 2);
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_disabled));
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_enabled));
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
|
|
detector->deallocMemory(defaultMallocAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, periodEnabled)
|
|
{
|
|
detector->enable();
|
|
char* mem = detector->allocMemory(defaultMallocAllocator(), 2);
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_disabled));
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_enabled));
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_checking));
|
|
detector->deallocMemory(defaultMallocAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, periodChecking)
|
|
{
|
|
char* mem = detector->allocMemory(defaultMallocAllocator(), 2);
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_disabled));
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_enabled));
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_checking));
|
|
detector->deallocMemory(defaultMallocAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, defaultAllocationStageIsZero)
|
|
{
|
|
LONGS_EQUAL(0, detector->getCurrentAllocationStage());
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, canFreeNoAllocations)
|
|
{
|
|
detector->deallocAllMemoryInCurrentAllocationStage();
|
|
LONGS_EQUAL(0, detector->getCurrentAllocationStage());
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, increaseAllocationStage)
|
|
{
|
|
detector->increaseAllocationStage();
|
|
LONGS_EQUAL(1, detector->getCurrentAllocationStage());
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, decreaseAllocationStage)
|
|
{
|
|
detector->increaseAllocationStage();
|
|
detector->decreaseAllocationStage();
|
|
LONGS_EQUAL(0, detector->getCurrentAllocationStage());
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, freeAllMemoryInCurrentAllocationStage)
|
|
{
|
|
detector->increaseAllocationStage();
|
|
detector->allocMemory(defaultMallocAllocator(), 2);
|
|
detector->allocMemory(defaultMallocAllocator(), 2);
|
|
detector->deallocAllMemoryInCurrentAllocationStage();
|
|
LONGS_EQUAL(0, detector->totalMemoryLeaks(mem_leak_period_all));
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, freeOnlyTheMemoryInTheAllocationStage)
|
|
{
|
|
char* mem = detector->allocMemory(defaultMallocAllocator(), 2);
|
|
detector->increaseAllocationStage();
|
|
detector->allocMemory(defaultMallocAllocator(), 2);
|
|
detector->deallocAllMemoryInCurrentAllocationStage();
|
|
LONGS_EQUAL(1, detector->totalMemoryLeaks(mem_leak_period_all));
|
|
detector->deallocMemory(defaultMallocAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, allocateWithANullAllocatorCausesNoProblems)
|
|
{
|
|
char* mem = detector->allocMemory(NullUnknownAllocator::defaultAllocator(), 2);
|
|
detector->deallocMemory(NullUnknownAllocator::defaultAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, invalidateMemory)
|
|
{
|
|
unsigned char* mem = (unsigned char*)detector->allocMemory(defaultMallocAllocator(), 2);
|
|
|
|
detector->invalidateMemory((char*)mem);
|
|
CHECK(mem[0] == 0xCD);
|
|
CHECK(mem[1] == 0xCD);
|
|
detector->deallocMemory(defaultMallocAllocator(), mem);
|
|
}
|
|
|
|
TEST(MemoryLeakDetectorTest, invalidateMemoryNULLShouldWork)
|
|
{
|
|
detector->invalidateMemory(NULLPTR);
|
|
}
|
|
|
|
TEST_GROUP(MemoryLeakDetectorListTest)
|
|
{
|
|
};
|
|
|
|
TEST(MemoryLeakDetectorListTest, clearAllAccountingIsWorkingProperly)
|
|
{
|
|
MemoryLeakDetectorList listForTesting;
|
|
MemoryLeakDetectorNode node1, node2, node3;
|
|
node3.period_ = mem_leak_period_disabled;
|
|
listForTesting.addNewNode(&node1);
|
|
listForTesting.addNewNode(&node2);
|
|
listForTesting.addNewNode(&node3);
|
|
|
|
listForTesting.clearAllAccounting(mem_leak_period_enabled);
|
|
|
|
POINTERS_EQUAL(NULLPTR, listForTesting.getFirstLeak(mem_leak_period_enabled));
|
|
CHECK(&node3 == listForTesting.getFirstLeak(mem_leak_period_disabled));
|
|
}
|
|
|
|
TEST_GROUP(SimpleStringBuffer)
|
|
{
|
|
};
|
|
|
|
TEST(SimpleStringBuffer, initialStringIsEmpty)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
STRCMP_EQUAL("", buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, simpleTest)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.add("Hello");
|
|
buffer.add(" World");
|
|
STRCMP_EQUAL("Hello World", buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, writePastLimit)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
for (int i = 0; i < SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN * 2; i++)
|
|
buffer.add("h");
|
|
SimpleString str("h", SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN-1);
|
|
STRCMP_EQUAL(str.asCharString(), buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, setWriteLimit)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.setWriteLimit(10);
|
|
for (int i = 0; i < SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN ; i++)
|
|
buffer.add("h");
|
|
SimpleString str("h", 10);
|
|
STRCMP_EQUAL(str.asCharString(), buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, setWriteLimitTooHighIsIgnored)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.setWriteLimit(SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN+10);
|
|
for (int i = 0; i < SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN+10; i++)
|
|
buffer.add("h");
|
|
SimpleString str("h", SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN-1);
|
|
STRCMP_EQUAL(str.asCharString(), buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, resetWriteLimit)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.setWriteLimit(10);
|
|
for (int i = 0; i < SimpleStringBuffer::SIMPLE_STRING_BUFFER_LEN ; i++)
|
|
buffer.add("h");
|
|
buffer.resetWriteLimit();
|
|
buffer.add("%s", SimpleString("h", 10).asCharString());
|
|
|
|
SimpleString str("h", 20);
|
|
STRCMP_EQUAL(str.asCharString(), buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpOneLinePlusOnePartial)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.addMemoryDump("deadbeefdeadbeefhopsxx", 22);
|
|
STRCMP_EQUAL(" 0000: 64 65 61 64 62 65 65 66 64 65 61 64 62 65 65 66 |deadbeefdeadbeef|\n"
|
|
" 0010: 68 6f 70 73 78 78 |hopsxx|\n",
|
|
buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpNonPrintable)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
// Ensure we test edge cases - NUL, 0x1F, 0x7F, 0xFF
|
|
buffer.addMemoryDump("\x15\x7f\xff\x00\x1ftdd", 8);
|
|
STRCMP_EQUAL(" 0000: 15 7f ff 00 1f 74 64 64 |.....tdd|\n",
|
|
buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpOneLine)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.addMemoryDump("deadbeefdeadbeef", 16);
|
|
STRCMP_EQUAL(" 0000: 64 65 61 64 62 65 65 66 64 65 61 64 62 65 65 66 |deadbeefdeadbeef|\n",
|
|
buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpOneHalfLine)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.addMemoryDump("deadbeef", 8);
|
|
STRCMP_EQUAL(" 0000: 64 65 61 64 62 65 65 66 |deadbeef|\n",
|
|
buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpOneByte)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.addMemoryDump("Z", 1);
|
|
STRCMP_EQUAL(" 0000: 5a |Z|\n",
|
|
buffer.toString());
|
|
}
|
|
|
|
TEST(SimpleStringBuffer, addMemoryDumpZeroBytes)
|
|
{
|
|
SimpleStringBuffer buffer;
|
|
buffer.addMemoryDump("", 0);
|
|
STRCMP_EQUAL("", buffer.toString());
|
|
}
|
|
|
|
TEST_GROUP(ReallocBugReported)
|
|
{
|
|
MemoryLeakFailureForTest reporter;
|
|
};
|
|
|
|
TEST(ReallocBugReported, CanSafelyDoAReallocWithANewAllocator)
|
|
{
|
|
MemoryLeakDetector detector(&reporter);
|
|
char* mem = detector.allocMemory(defaultNewAllocator(), 5, "file", 1);
|
|
mem = detector.reallocMemory(defaultNewAllocator(), mem, 19, "file", 1);
|
|
detector.deallocMemory(defaultNewAllocator(), mem);
|
|
}
|
|
|
|
TEST(ReallocBugReported, CanSafelyDoAReallocWithAMallocAllocator)
|
|
{
|
|
MemoryLeakDetector detector(&reporter);
|
|
char* mem = detector.allocMemory(defaultMallocAllocator(), 5, "file", 1, true);
|
|
mem = detector.reallocMemory(defaultMallocAllocator(), mem, 19, "file", 1, true);
|
|
detector.deallocMemory(defaultMallocAllocator(), mem, true);
|
|
}
|