99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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