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- // overflow_unittest.cc -- test functions that check for overflow.
- // Copyright (C) 2016-2022 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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