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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "leb128.h" | 5 #include "leb128.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "gtest/gtest.h" |
9 | 9 |
10 namespace relocation_packer { | 10 namespace relocation_packer { |
11 | 11 |
12 TEST(Leb128, Encoder) { | 12 TEST(Leb128, Encoder64) { |
13 std::vector<ELF::Xword> values; | 13 std::vector<uint64_t> values; |
14 values.push_back(624485); | 14 values.push_back(624485); |
15 values.push_back(0); | 15 values.push_back(0); |
16 values.push_back(1); | 16 values.push_back(1); |
17 values.push_back(127); | 17 values.push_back(127); |
18 values.push_back(128); | 18 values.push_back(128); |
19 | 19 |
20 Leb128Encoder encoder; | 20 Leb128Encoder<uint64_t> encoder; |
21 encoder.EnqueueAll(values); | 21 encoder.EnqueueAll(values); |
22 | 22 |
23 encoder.Enqueue(4294967295); | 23 encoder.Enqueue(4294967295); |
24 encoder.Enqueue(18446744073709551615ul); | 24 encoder.Enqueue(18446744073709551615ul); |
25 | 25 |
26 std::vector<uint8_t> encoding; | 26 std::vector<uint8_t> encoding; |
27 encoder.GetEncoding(&encoding); | 27 encoder.GetEncoding(&encoding); |
28 | 28 |
29 EXPECT_EQ(23, encoding.size()); | 29 EXPECT_EQ(23U, encoding.size()); |
30 // 624485 | 30 // 624485 |
31 EXPECT_EQ(0xe5, encoding[0]); | 31 EXPECT_EQ(0xe5, encoding[0]); |
32 EXPECT_EQ(0x8e, encoding[1]); | 32 EXPECT_EQ(0x8e, encoding[1]); |
33 EXPECT_EQ(0x26, encoding[2]); | 33 EXPECT_EQ(0x26, encoding[2]); |
34 // 0 | 34 // 0 |
35 EXPECT_EQ(0x00, encoding[3]); | 35 EXPECT_EQ(0x00, encoding[3]); |
36 // 1 | 36 // 1 |
37 EXPECT_EQ(0x01, encoding[4]); | 37 EXPECT_EQ(0x01, encoding[4]); |
38 // 127 | 38 // 127 |
39 EXPECT_EQ(0x7f, encoding[5]); | 39 EXPECT_EQ(0x7f, encoding[5]); |
(...skipping 12 matching lines...) Expand all Loading... |
52 EXPECT_EQ(0xff, encoding[15]); | 52 EXPECT_EQ(0xff, encoding[15]); |
53 EXPECT_EQ(0xff, encoding[16]); | 53 EXPECT_EQ(0xff, encoding[16]); |
54 EXPECT_EQ(0xff, encoding[17]); | 54 EXPECT_EQ(0xff, encoding[17]); |
55 EXPECT_EQ(0xff, encoding[18]); | 55 EXPECT_EQ(0xff, encoding[18]); |
56 EXPECT_EQ(0xff, encoding[19]); | 56 EXPECT_EQ(0xff, encoding[19]); |
57 EXPECT_EQ(0xff, encoding[20]); | 57 EXPECT_EQ(0xff, encoding[20]); |
58 EXPECT_EQ(0xff, encoding[21]); | 58 EXPECT_EQ(0xff, encoding[21]); |
59 EXPECT_EQ(0x01, encoding[22]); | 59 EXPECT_EQ(0x01, encoding[22]); |
60 } | 60 } |
61 | 61 |
62 TEST(Leb128, Decoder) { | 62 TEST(Leb128, Decoder64) { |
63 std::vector<uint8_t> encoding; | 63 std::vector<uint8_t> encoding; |
64 // 624485 | 64 // 624485 |
65 encoding.push_back(0xe5); | 65 encoding.push_back(0xe5); |
66 encoding.push_back(0x8e); | 66 encoding.push_back(0x8e); |
67 encoding.push_back(0x26); | 67 encoding.push_back(0x26); |
68 // 0 | 68 // 0 |
69 encoding.push_back(0x00); | 69 encoding.push_back(0x00); |
70 // 1 | 70 // 1 |
71 encoding.push_back(0x01); | 71 encoding.push_back(0x01); |
72 // 127 | 72 // 127 |
(...skipping 12 matching lines...) Expand all Loading... |
85 encoding.push_back(0xff); | 85 encoding.push_back(0xff); |
86 encoding.push_back(0xff); | 86 encoding.push_back(0xff); |
87 encoding.push_back(0xff); | 87 encoding.push_back(0xff); |
88 encoding.push_back(0xff); | 88 encoding.push_back(0xff); |
89 encoding.push_back(0xff); | 89 encoding.push_back(0xff); |
90 encoding.push_back(0xff); | 90 encoding.push_back(0xff); |
91 encoding.push_back(0xff); | 91 encoding.push_back(0xff); |
92 encoding.push_back(0xff); | 92 encoding.push_back(0xff); |
93 encoding.push_back(0x01); | 93 encoding.push_back(0x01); |
94 | 94 |
95 Leb128Decoder decoder(encoding); | 95 Leb128Decoder<uint64_t> decoder(encoding, 0); |
96 | 96 |
97 EXPECT_EQ(624485, decoder.Dequeue()); | 97 EXPECT_EQ(624485U, decoder.Dequeue()); |
98 | 98 |
99 std::vector<ELF::Xword> dequeued; | 99 std::vector<uint64_t> dequeued; |
100 decoder.DequeueAll(&dequeued); | 100 decoder.DequeueAll(&dequeued); |
101 | 101 |
102 EXPECT_EQ(6, dequeued.size()); | 102 EXPECT_EQ(6U, dequeued.size()); |
103 EXPECT_EQ(0, dequeued[0]); | 103 EXPECT_EQ(0U, dequeued[0]); |
104 EXPECT_EQ(1, dequeued[1]); | 104 EXPECT_EQ(1U, dequeued[1]); |
105 EXPECT_EQ(127, dequeued[2]); | 105 EXPECT_EQ(127U, dequeued[2]); |
106 EXPECT_EQ(128, dequeued[3]); | 106 EXPECT_EQ(128U, dequeued[3]); |
107 EXPECT_EQ(4294967295, dequeued[4]); | 107 EXPECT_EQ(4294967295U, dequeued[4]); |
108 EXPECT_EQ(18446744073709551615ul, dequeued[5]); | 108 EXPECT_EQ(18446744073709551615UL, dequeued[5]); |
109 } | 109 } |
110 | 110 |
111 } // namespace relocation_packer | 111 } // namespace relocation_packer |
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