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// overflow_unittest.cc -- test functions that check for overflow.
// Copyright (C) 2016-2023 Free Software Foundation, Inc.
// Written by Cary Coutant <ccoutant@google.com>.
// This file is part of gold.
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
#include "gold.h"
#include "reloc.h"
#include <sys/types.h>
#include "test.h"
namespace gold_testsuite
{
using namespace gold;
bool
Overflow_test(Test_report*)
{
CHECK(! Bits<16>::has_unsigned_overflow(0ULL));
CHECK(! Bits<16>::has_unsigned_overflow(1ULL));
CHECK(! Bits<16>::has_unsigned_overflow(0x7fffULL));
CHECK(! Bits<16>::has_unsigned_overflow(0x8000ULL));
CHECK(! Bits<16>::has_unsigned_overflow(0x8001ULL));
CHECK(! Bits<16>::has_unsigned_overflow(0xffffULL));
CHECK(Bits<16>::has_unsigned_overflow(0x10000ULL));
CHECK(Bits<16>::has_unsigned_overflow(0x10001ULL));
CHECK(Bits<16>::has_unsigned_overflow(~0ULL));
CHECK(Bits<16>::has_unsigned_overflow(~0x7fffULL + 1));
CHECK(Bits<16>::has_unsigned_overflow(~0x8000ULL + 1));
CHECK(Bits<16>::has_unsigned_overflow(~0x8001ULL + 1));
CHECK(Bits<16>::has_unsigned_overflow(~0xffffULL + 1));
CHECK(Bits<16>::has_unsigned_overflow(~0x10000ULL + 1));
CHECK(Bits<16>::has_unsigned_overflow(~0x10001ULL + 1));
CHECK(! Bits<16>::has_overflow(0ULL));
CHECK(! Bits<16>::has_overflow(1ULL));
CHECK(! Bits<16>::has_overflow(0x7fffULL));
CHECK(Bits<16>::has_overflow(0x8000ULL));
CHECK(Bits<16>::has_overflow(0x8001ULL));
CHECK(Bits<16>::has_overflow(0xffffULL));
CHECK(Bits<16>::has_overflow(0x10000ULL));
CHECK(Bits<16>::has_overflow(0x10001ULL));
CHECK(! Bits<16>::has_overflow(~0ULL));
CHECK(! Bits<16>::has_overflow(~0x7fffULL + 1));
CHECK(! Bits<16>::has_overflow(~0x8000ULL + 1));
CHECK(Bits<16>::has_overflow(~0x8001ULL + 1));
CHECK(Bits<16>::has_overflow(~0xffffULL + 1));
CHECK(Bits<16>::has_overflow(~0x10000ULL + 1));
CHECK(Bits<16>::has_overflow(~0x10001ULL + 1));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(0ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(1ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x7fffULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8000ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8001ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(0xffffULL));
CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10000ULL));
CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10001ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0ULL));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x7fffULL + 1));
CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x8000ULL + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x8001ULL + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow64(~0xffffULL + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10000ULL + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10001ULL + 1));
CHECK(! Bits<16>::has_unsigned_overflow32(0U));
CHECK(! Bits<16>::has_unsigned_overflow32(1U));
CHECK(! Bits<16>::has_unsigned_overflow32(0x7fffU));
CHECK(! Bits<16>::has_unsigned_overflow32(0x8000U));
CHECK(! Bits<16>::has_unsigned_overflow32(0x8001U));
CHECK(! Bits<16>::has_unsigned_overflow32(0xffffU));
CHECK(Bits<16>::has_unsigned_overflow32(0x10000U));
CHECK(Bits<16>::has_unsigned_overflow32(0x10001U));
CHECK(Bits<16>::has_unsigned_overflow32(~0U));
CHECK(Bits<16>::has_unsigned_overflow32(~0x7fffU + 1));
CHECK(Bits<16>::has_unsigned_overflow32(~0x8000U + 1));
CHECK(Bits<16>::has_unsigned_overflow32(~0x8001U + 1));
CHECK(Bits<16>::has_unsigned_overflow32(~0xffffU + 1));
CHECK(Bits<16>::has_unsigned_overflow32(~0x10000U + 1));
CHECK(Bits<16>::has_unsigned_overflow32(~0x10001U + 1));
CHECK(! Bits<16>::has_overflow32(0U));
CHECK(! Bits<16>::has_overflow32(1U));
CHECK(! Bits<16>::has_overflow32(0x7fffU));
CHECK(Bits<16>::has_overflow32(0x8000U));
CHECK(Bits<16>::has_overflow32(0x8001U));
CHECK(Bits<16>::has_overflow32(0xffffU));
CHECK(Bits<16>::has_overflow32(0x10000U));
CHECK(Bits<16>::has_overflow32(0x10001U));
CHECK(! Bits<16>::has_overflow32(~0U));
CHECK(! Bits<16>::has_overflow32(~0x7fffU + 1));
CHECK(! Bits<16>::has_overflow32(~0x8000U + 1));
CHECK(Bits<16>::has_overflow32(~0x8001U + 1));
CHECK(Bits<16>::has_overflow32(~0xffffU + 1));
CHECK(Bits<16>::has_overflow32(~0x10000U + 1));
CHECK(Bits<16>::has_overflow32(~0x10001U + 1));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(0U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(1U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x7fffU));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8000U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8001U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(0xffffU));
CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10000U));
CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10001U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0U));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x7fffU + 1));
CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x8000U + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x8001U + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow32(~0xffffU + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10000U + 1));
CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10001U + 1));
return true;
}
Register_test overflow_register("Overflow", Overflow_test);
} // End namespace gold_testsuite.
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