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111 lines
3.5 KiB
111 lines
3.5 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <gtest/gtest.h>
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#include "linker_sleb128.h"
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TEST(linker_sleb128, smoke) {
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std::vector<uint8_t> encoding;
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// 624485
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encoding.push_back(0xe5);
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encoding.push_back(0x8e);
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encoding.push_back(0x26);
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// 0
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encoding.push_back(0x00);
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// 1
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encoding.push_back(0x01);
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// 63
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encoding.push_back(0x3f);
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// 64
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encoding.push_back(0xc0);
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encoding.push_back(0x00);
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// -1
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encoding.push_back(0x7f);
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// -624485
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encoding.push_back(0x9b);
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encoding.push_back(0xf1);
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encoding.push_back(0x59);
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// 2147483647
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0x07);
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// -2147483648
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x78);
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#if defined(__LP64__)
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// 9223372036854775807
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0xff);
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encoding.push_back(0x00);
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// -9223372036854775808
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x80);
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encoding.push_back(0x7f);
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#endif
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sleb128_decoder decoder(&encoding[0], encoding.size());
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EXPECT_EQ(624485U, decoder.pop_front());
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EXPECT_EQ(0U, decoder.pop_front());
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EXPECT_EQ(1U, decoder.pop_front());
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EXPECT_EQ(63U, decoder.pop_front());
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EXPECT_EQ(64U, decoder.pop_front());
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EXPECT_EQ(static_cast<size_t>(-1), decoder.pop_front());
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EXPECT_EQ(static_cast<size_t>(-624485), decoder.pop_front());
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EXPECT_EQ(2147483647U, decoder.pop_front());
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EXPECT_EQ(static_cast<size_t>(-2147483648), decoder.pop_front());
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#if defined(__LP64__)
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EXPECT_EQ(9223372036854775807ULL, decoder.pop_front());
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EXPECT_EQ(static_cast<uint64_t>(-9223372036854775807LL - 1), decoder.pop_front());
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#endif
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}
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