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Issue 1025483002: Restructure the ipc_fuzzer directory. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Move more files around Created 5 years, 9 months ago
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1 // Copyright 2015 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 <string>
6
7 #include "base/basictypes.h"
8 #include "base/strings/string_util.h"
9 #include "tools/ipc_fuzzer/mutate/generator.h"
10 #include "tools/ipc_fuzzer/mutate/rand_util.h"
11
12 namespace ipc_fuzzer {
13
14 template <typename T>
15 void GenerateIntegralType(T* value) {
16 switch (RandInRange(16)) {
17 case 0:
18 *value = static_cast<T>(0);
19 break;
20 case 1:
21 *value = static_cast<T>(1);
22 break;
23 case 2:
24 *value = static_cast<T>(-1);
25 break;
26 case 3:
27 *value = static_cast<T>(2);
28 break;
29 default:
30 *value = static_cast<T>(RandU64());
31 break;
32 }
33 }
34
35 template <typename T>
36 void GenerateFloatingType(T* value) {
37 *value = RandDouble();
38 }
39
40 template <typename T>
41 void GenerateStringType(T* value) {
42 T temp_string;
43 size_t length = RandInRange(300);
44 for (size_t i = 0; i < length; ++i)
45 temp_string += RandInRange(256);
46 *value = temp_string;
47 }
48
49 void Generator::FuzzBool(bool* value) {
50 *value = RandInRange(2) ? true: false;
51 }
52
53 void Generator::FuzzInt(int* value) {
54 GenerateIntegralType<int>(value);
55 }
56
57 void Generator::FuzzLong(long* value) {
58 GenerateIntegralType<long>(value);
59 }
60
61 void Generator::FuzzSize(size_t* value) {
62 GenerateIntegralType<size_t>(value);
63 }
64
65 void Generator::FuzzUChar(unsigned char* value) {
66 GenerateIntegralType<unsigned char>(value);
67 }
68
69 void Generator::FuzzWChar(wchar_t* value) {
70 GenerateIntegralType<wchar_t>(value);
71 }
72
73 void Generator::FuzzUInt16(uint16* value) {
74 GenerateIntegralType<uint16>(value);
75 }
76
77 void Generator::FuzzUInt32(uint32* value) {
78 GenerateIntegralType<uint32>(value);
79 }
80
81 void Generator::FuzzInt64(int64* value) {
82 GenerateIntegralType<int64>(value);
83 }
84
85 void Generator::FuzzUInt64(uint64* value) {
86 GenerateIntegralType<uint64>(value);
87 }
88
89 void Generator::FuzzFloat(float* value) {
90 GenerateFloatingType<float>(value);
91 }
92
93 void Generator::FuzzDouble(double* value) {
94 GenerateFloatingType<double>(value);
95 }
96
97 void Generator::FuzzString(std::string* value) {
98 GenerateStringType<std::string>(value);
99 }
100
101 void Generator::FuzzString16(base::string16* value) {
102 GenerateStringType<base::string16>(value);
103 }
104
105 void Generator::FuzzData(char* data, int length) {
106 for (int i = 0; i < length; ++i) {
107 GenerateIntegralType<char>(&data[i]);
108 }
109 }
110
111 void Generator::FuzzBytes(void* data, int data_len) {
112 FuzzData(static_cast<char*>(data), data_len);
113 }
114
115 bool Generator::ShouldGenerate() {
116 // The generator fuzzer should always generate new values.
117 return true;
118 }
119
120 } // namespace ipc_fuzzer
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