File content as of revision 3:9e8c8907d9ee:

/*
 * Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
 * 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 <organization> 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 EARLIER MENTIONED AUTHORS ``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 <copyright holder> 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.
 */

#include "CppUTest/TestHarness.h"
#include "CppUTest/TestMemoryAllocator.h"
#include "CppUTest/PlatformSpecificFunctions.h"
#include "CppUTest/MemoryLeakDetector.h"

static char* checkedMalloc(size_t size)
{
	char* mem = (char*) PlatformSpecificMalloc(size);
	if (mem == 0)
	FAIL("malloc returned null pointer");
	return mem;
}

static TestMemoryAllocator* currentNewAllocator = 0;
static TestMemoryAllocator* currentNewArrayAllocator = 0;
static TestMemoryAllocator* currentMallocAllocator = 0;

void setCurrentNewAllocator(TestMemoryAllocator* allocator)
{
	currentNewAllocator = allocator;
}

TestMemoryAllocator* getCurrentNewAllocator()
{
	if (currentNewAllocator == 0) setCurrentNewAllocatorToDefault();
	return currentNewAllocator;
}

void setCurrentNewAllocatorToDefault()
{
	currentNewAllocator = defaultNewAllocator();
}

TestMemoryAllocator* defaultNewAllocator()
{
	static TestMemoryAllocator allocator("Standard New Allocator", "new", "delete");
	return &allocator;
}

void setCurrentNewArrayAllocator(TestMemoryAllocator* allocator)
{
	currentNewArrayAllocator = allocator;
}

TestMemoryAllocator* getCurrentNewArrayAllocator()
{
	if (currentNewArrayAllocator == 0) setCurrentNewArrayAllocatorToDefault();
	return currentNewArrayAllocator;
}

void setCurrentNewArrayAllocatorToDefault()
{
	currentNewArrayAllocator = defaultNewArrayAllocator();
}

TestMemoryAllocator* defaultNewArrayAllocator()
{
	static TestMemoryAllocator allocator("Standard New [] Allocator", "new []", "delete []");
	return &allocator;
}

void setCurrentMallocAllocator(TestMemoryAllocator* allocator)
{
	currentMallocAllocator = allocator;
}

TestMemoryAllocator* getCurrentMallocAllocator()
{
	if (currentMallocAllocator == 0) setCurrentMallocAllocatorToDefault();
	return currentMallocAllocator;
}

void setCurrentMallocAllocatorToDefault()
{
	currentMallocAllocator = defaultMallocAllocator();
}

TestMemoryAllocator* defaultMallocAllocator()
{
	static TestMemoryAllocator allocator("Standard Malloc Allocator", "malloc", "free");
	return &allocator;
}

/////////////////////////////////////////////

TestMemoryAllocator::TestMemoryAllocator(const char* name_str, const char* alloc_name_str, const char* free_name_str)
	: name_(name_str), alloc_name_(alloc_name_str), free_name_(free_name_str), hasBeenDestroyed_(false)
{
}

TestMemoryAllocator::~TestMemoryAllocator()
{
	hasBeenDestroyed_ = true;
}

bool TestMemoryAllocator::hasBeenDestroyed()
{
	return hasBeenDestroyed_;
}

bool TestMemoryAllocator::isOfEqualType(TestMemoryAllocator* allocator)
{
	return PlatformSpecificStrCmp(this->name(), allocator->name()) == 0;
}

char* TestMemoryAllocator::allocMemoryLeakNode(size_t size)
{
	return alloc_memory(size, "MemoryLeakNode", 1);
}

void TestMemoryAllocator::freeMemoryLeakNode(char* memory)
{
	free_memory(memory, "MemoryLeakNode", 1);
}

char* TestMemoryAllocator::alloc_memory(size_t size, const char*, int)
{
	return checkedMalloc(size);
}

void TestMemoryAllocator::free_memory(char* memory, const char*, int)
{
	PlatformSpecificFree(memory);
}
const char* TestMemoryAllocator::name()
{
	return name_;
}

const char* TestMemoryAllocator::alloc_name()
{
	return alloc_name_;
}

const char* TestMemoryAllocator::free_name()
{
	return free_name_;
}

CrashOnAllocationAllocator::CrashOnAllocationAllocator() : allocationToCrashOn_(0)
{
}

void CrashOnAllocationAllocator::setNumberToCrashOn(unsigned allocationToCrashOn)
{
	allocationToCrashOn_ = allocationToCrashOn;
}

char* CrashOnAllocationAllocator::alloc_memory(size_t size, const char* file, int line)
{
	if (MemoryLeakWarningPlugin::getGlobalDetector()->getCurrentAllocationNumber() == allocationToCrashOn_)
		UT_CRASH();

	return TestMemoryAllocator::alloc_memory(size, file, line);
}


char* NullUnknownAllocator::alloc_memory(size_t /*size*/, const char*, int)
{
	return 0;
}

void NullUnknownAllocator::free_memory(char* /*memory*/, const char*, int)
{
}

NullUnknownAllocator::NullUnknownAllocator()
	: TestMemoryAllocator("Null Allocator", "unknown", "unknown")
{
}


TestMemoryAllocator* NullUnknownAllocator::defaultAllocator()
{
	static NullUnknownAllocator allocator;
	return &allocator;
}