/*
 * atomictest.cpp
 *
 *  Created on: Jun 23, 2012
 *      Author: gregor
 */

#include <iostream>

#include <gtest/gtest.h>

#include "GLTB/atomicops.h"

// TODO test gltb::atomicNAnd and gltb::atomicCAS
#define ATOMICS_TEST_SIGNED(testName, testType)		\
TEST(AtomicsSigned, testName)						\
{													\
	testType a=0, returnValue;						\
	returnValue = gltb::atomicAdd(&a, (testType)2);	\
	ASSERT_EQ(returnValue, 0);						\
	ASSERT_EQ(a, 2);								\
													\
	returnValue = gltb::atomicSub(&a, (testType)4);	\
	ASSERT_EQ(returnValue, 2);						\
	ASSERT_EQ(a, -2);								\
													\
	returnValue = gltb::atomicInc(&a);				\
	ASSERT_EQ(returnValue, -2);						\
	ASSERT_EQ(a, -1);								\
													\
	returnValue = gltb::atomicDec(&a);				\
	ASSERT_EQ(returnValue, -1);						\
	ASSERT_EQ(a, -2);								\
													\
	a = 10;											\
	returnValue = gltb::atomicAnd(&a, (testType)6);	\
	ASSERT_EQ(returnValue, 10);						\
	ASSERT_EQ(a, 2);								\
													\
	returnValue = gltb::atomicOr(&a, (testType)4);	\
	ASSERT_EQ(returnValue, 2);						\
	ASSERT_EQ(a, 6);								\
													\
	returnValue = gltb::atomicXOr(&a, (testType)2);	\
	ASSERT_EQ(returnValue, 6);						\
	ASSERT_EQ(a, 4);								\
}

ATOMICS_TEST_SIGNED(atomicsLongLong, long long)
ATOMICS_TEST_SIGNED(atomicsInt, int)
ATOMICS_TEST_SIGNED(atomicsShort, short)
ATOMICS_TEST_SIGNED(atomicsChar, char)

// TODO test gltb::atomicNAnd and gltb::atomicCAS
#define ATOMICS_TEST_UNSIGNED(testName, testType)	\
TEST(AtomicsUnsigned, testName)						\
{													\
	testType a=0, returnValue;						\
	returnValue = gltb::atomicAdd(&a, (testType)6);	\
	ASSERT_EQ(returnValue, 0);						\
	ASSERT_EQ(a, 6);								\
													\
	returnValue = gltb::atomicSub(&a, (testType)4);	\
	ASSERT_EQ(returnValue, 6);						\
	ASSERT_EQ(a, 2);								\
													\
	returnValue = gltb::atomicInc(&a);				\
	ASSERT_EQ(returnValue, 2);						\
	ASSERT_EQ(a, 3);								\
													\
	returnValue = gltb::atomicDec(&a);				\
	ASSERT_EQ(returnValue, 3);						\
	ASSERT_EQ(a, 2);								\
													\
	a = 10;											\
	returnValue = gltb::atomicAnd(&a, (testType)6);	\
	ASSERT_EQ(returnValue, 10);						\
	ASSERT_EQ(a, 2);								\
													\
	returnValue = gltb::atomicOr(&a, (testType)4);	\
	ASSERT_EQ(returnValue, 2);						\
	ASSERT_EQ(a, 6);								\
													\
	returnValue = gltb::atomicXOr(&a, (testType)2);	\
	ASSERT_EQ(returnValue, 6);						\
	ASSERT_EQ(a, 4);								\
}

ATOMICS_TEST_UNSIGNED(atomicsLongLong, unsigned long long)
ATOMICS_TEST_UNSIGNED(atomicsInt, unsigned int)
ATOMICS_TEST_UNSIGNED(atomicsShort, unsigned short)
ATOMICS_TEST_UNSIGNED(atomicsChar, unsigned char)

int main(int argc, char *argv[])
{
    ::testing::InitGoogleTest(&argc, argv);

    return RUN_ALL_TESTS();
}