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110 lines
3.5 KiB
110 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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