/*

* Copyright (c) 2018-2019 Apple Inc. All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. 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.

*

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.

*/

#include "TestHarness.h"

#include "pas_coalign.h"

using namespace std;

namespace {

void testCoalignOneSided(uintptr_t begin, uintptr_t typeSize, uintptr_t alignment, uintptr_t result)

{

pas_coalign_result actualResult = pas_coalign_one_sided(begin, typeSize, alignment);

CHECK(actualResult.has_result);

CHECK_EQUAL(actualResult.result, result);

CHECK(!(actualResult.result % alignment));

CHECK(!((actualResult.result - begin) % typeSize));

}

void testCoalignOneSidedError(uintptr_t begin, uintptr_t typeSize, uintptr_t alignment)

{

pas_coalign_result actualResult = pas_coalign_one_sided(begin, typeSize, alignment);

CHECK(!actualResult.has_result);

}

void testCoalign(uintptr_t beginLeft, uintptr_t leftSize,

uintptr_t beginRight, uintptr_t rightSize,

uintptr_t result)

{

pas_coalign_result actualResult = pas_coalign(beginLeft, leftSize, beginRight, rightSize);

CHECK(actualResult.has_result);

CHECK_EQUAL(actualResult.result, result);

CHECK(!((actualResult.result - beginLeft) % leftSize));

CHECK(!((actualResult.result - beginRight) % rightSize));

}

} // anonymous namespace

void addCoalignTests()

{

ADD_TEST(testCoalignOneSided(459318, 666, 1024, 795648));

ADD_TEST(testCoalignOneSided(4096 + 48 * 4, 48, 64, 4288));

ADD_TEST(testCoalignOneSided(4096 * 11 + 7 * 13, 13, 1024, 58368));

ADD_TEST(testCoalignOneSided(4096 * 13 + 7 * 64 * 11, 7 * 64, 1024, 60416));

ADD_TEST(testCoalignOneSided(10000, 5000, 4096, 2560000));

ADD_TEST(testCoalignOneSidedError(11111, 5000, 4096));

ADD_TEST(testCoalignOneSidedError(6422642, 40, 256));

ADD_TEST(testCoalignOneSided(6422648, 40, 256, 6423808));

ADD_TEST(testCoalign(500, 155, 999, 1024, 61415));

ADD_TEST(testCoalign(6426, 531, 24, 647, 219357));

}