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Side by Side Diff: third_party/android_platform/bionic/tools/relocation_packer/src/leb128_unittest.cc

Issue 1099343004: Synchronize Android relocation packer source with AOSP. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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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
3 // found in the LICENSE file.
4
5 #include "leb128.h"
6
7 #include <vector>
8 #include "gtest/gtest.h"
9
10 namespace relocation_packer {
11
12 TEST(Leb128, Encoder64) {
13 std::vector<uint64_t> values;
14 values.push_back(624485);
15 values.push_back(0);
16 values.push_back(1);
17 values.push_back(127);
18 values.push_back(128);
19
20 Leb128Encoder<uint64_t> encoder;
21 encoder.EnqueueAll(values);
22
23 encoder.Enqueue(4294967295);
24 encoder.Enqueue(18446744073709551615ul);
25
26 std::vector<uint8_t> encoding;
27 encoder.GetEncoding(&encoding);
28
29 EXPECT_EQ(23U, encoding.size());
30 // 624485
31 EXPECT_EQ(0xe5, encoding[0]);
32 EXPECT_EQ(0x8e, encoding[1]);
33 EXPECT_EQ(0x26, encoding[2]);
34 // 0
35 EXPECT_EQ(0x00, encoding[3]);
36 // 1
37 EXPECT_EQ(0x01, encoding[4]);
38 // 127
39 EXPECT_EQ(0x7f, encoding[5]);
40 // 128
41 EXPECT_EQ(0x80, encoding[6]);
42 EXPECT_EQ(0x01, encoding[7]);
43 // 4294967295
44 EXPECT_EQ(0xff, encoding[8]);
45 EXPECT_EQ(0xff, encoding[9]);
46 EXPECT_EQ(0xff, encoding[10]);
47 EXPECT_EQ(0xff, encoding[11]);
48 EXPECT_EQ(0x0f, encoding[12]);
49 // 18446744073709551615
50 EXPECT_EQ(0xff, encoding[13]);
51 EXPECT_EQ(0xff, encoding[14]);
52 EXPECT_EQ(0xff, encoding[15]);
53 EXPECT_EQ(0xff, encoding[16]);
54 EXPECT_EQ(0xff, encoding[17]);
55 EXPECT_EQ(0xff, encoding[18]);
56 EXPECT_EQ(0xff, encoding[19]);
57 EXPECT_EQ(0xff, encoding[20]);
58 EXPECT_EQ(0xff, encoding[21]);
59 EXPECT_EQ(0x01, encoding[22]);
60 }
61
62 TEST(Leb128, Decoder64) {
63 std::vector<uint8_t> encoding;
64 // 624485
65 encoding.push_back(0xe5);
66 encoding.push_back(0x8e);
67 encoding.push_back(0x26);
68 // 0
69 encoding.push_back(0x00);
70 // 1
71 encoding.push_back(0x01);
72 // 127
73 encoding.push_back(0x7f);
74 // 128
75 encoding.push_back(0x80);
76 encoding.push_back(0x01);
77 // 4294967295
78 encoding.push_back(0xff);
79 encoding.push_back(0xff);
80 encoding.push_back(0xff);
81 encoding.push_back(0xff);
82 encoding.push_back(0x0f);
83 // 18446744073709551615
84 encoding.push_back(0xff);
85 encoding.push_back(0xff);
86 encoding.push_back(0xff);
87 encoding.push_back(0xff);
88 encoding.push_back(0xff);
89 encoding.push_back(0xff);
90 encoding.push_back(0xff);
91 encoding.push_back(0xff);
92 encoding.push_back(0xff);
93 encoding.push_back(0x01);
94
95 Leb128Decoder<uint64_t> decoder(encoding, 0);
96
97 EXPECT_EQ(624485U, decoder.Dequeue());
98
99 std::vector<uint64_t> dequeued;
100 decoder.DequeueAll(&dequeued);
101
102 EXPECT_EQ(6U, dequeued.size());
103 EXPECT_EQ(0U, dequeued[0]);
104 EXPECT_EQ(1U, dequeued[1]);
105 EXPECT_EQ(127U, dequeued[2]);
106 EXPECT_EQ(128U, dequeued[3]);
107 EXPECT_EQ(4294967295U, dequeued[4]);
108 EXPECT_EQ(18446744073709551615UL, dequeued[5]);
109 }
110
111 } // namespace relocation_packer
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