platform_bionic/linker/tests/linker_sleb128_test.cpp
Dimitry Ivanov bcc4da9b75 Unify linker files under one license (BSD)
Historically we had part of the linker licensed under BSD and
another part under Apache 2 license. This commit makes all the
linker code licensed under BSD license.

Test: m
Change-Id: I11b8163ae75966b5768d3fe992679de376106515
2017-02-15 15:35:33 -08:00

110 lines
3.5 KiB
C++

/*
* Copyright (C) 2016 The Android Open Source Project
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE
* COPYRIGHT OWNER 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 <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <gtest/gtest.h>
#include "../linker_sleb128.h"
TEST(linker_sleb128, smoke) {
std::vector<uint8_t> encoding;
// 624485
encoding.push_back(0xe5);
encoding.push_back(0x8e);
encoding.push_back(0x26);
// 0
encoding.push_back(0x00);
// 1
encoding.push_back(0x01);
// 63
encoding.push_back(0x3f);
// 64
encoding.push_back(0xc0);
encoding.push_back(0x00);
// -1
encoding.push_back(0x7f);
// -624485
encoding.push_back(0x9b);
encoding.push_back(0xf1);
encoding.push_back(0x59);
// 2147483647
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0x07);
// -2147483648
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x78);
#if defined(__LP64__)
// 9223372036854775807
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0x00);
// -9223372036854775808
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x80);
encoding.push_back(0x7f);
#endif
sleb128_decoder decoder(&encoding[0], encoding.size());
EXPECT_EQ(624485U, decoder.pop_front());
EXPECT_EQ(0U, decoder.pop_front());
EXPECT_EQ(1U, decoder.pop_front());
EXPECT_EQ(63U, decoder.pop_front());
EXPECT_EQ(64U, decoder.pop_front());
EXPECT_EQ(static_cast<size_t>(-1), decoder.pop_front());
EXPECT_EQ(static_cast<size_t>(-624485), decoder.pop_front());
EXPECT_EQ(2147483647U, decoder.pop_front());
EXPECT_EQ(static_cast<size_t>(-2147483648), decoder.pop_front());
#if defined(__LP64__)
EXPECT_EQ(9223372036854775807ULL, decoder.pop_front());
EXPECT_EQ(static_cast<uint64_t>(-9223372036854775807LL - 1), decoder.pop_front());
#endif
}