1 // Copyright (c) 2006, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
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12 // in the documentation and/or other materials provided with the
13 // distribution.
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16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30 // Author: waylonis@google.com (Dan Waylonis)
31
32 /*
33 g++ -I../ ../common/convert_UTF.cc \
34 ../common/string_conversion.cc \
35 minidump_file_writer.cc \
36 minidump_file_writer_unittest.cc \
37 -o minidump_file_writer_unittest
38 */
39
40 #include <fcntl.h>
41 #include <unistd.h>
42
43 #include "minidump_file_writer-inl.h"
44
45 using google_breakpad::MinidumpFileWriter;
46
47 #define ASSERT_TRUE(cond) \
48 if (!(cond)) { \
49 fprintf(stderr, "FAILED: %s at %s:%d\n", #cond, __FILE__, __LINE__); \
50 return false; \
51 }
52
53 #define ASSERT_EQ(e1, e2) ASSERT_TRUE((e1) == (e2))
54 #define ASSERT_NE(e1, e2) ASSERT_TRUE((e1) != (e2))
55
56 struct StringStructure {
57 unsigned long integer_value;
58 MDLocationDescriptor first_string;
59 MDLocationDescriptor second_string;
60 };
61
62 struct ArrayStructure {
63 unsigned char char_value;
64 unsigned short short_value;
65 unsigned long long_value;
66 };
67
68 typedef struct {
69 unsigned long count;
70 ArrayStructure array[0];
71 } ObjectAndArrayStructure;
72
WriteFile(const char * path)73 static bool WriteFile(const char *path) {
74 MinidumpFileWriter writer;
75 if (writer.Open(path)) {
76 // Test a single structure
77 google_breakpad::TypedMDRVA<StringStructure> strings(&writer);
78 ASSERT_TRUE(strings.Allocate());
79 strings.get()->integer_value = 0xBEEF;
80 const char *first = "First String";
81 ASSERT_TRUE(writer.WriteString(first, 0, &strings.get()->first_string));
82 const wchar_t *second = L"Second String";
83 ASSERT_TRUE(writer.WriteString(second, 0, &strings.get()->second_string));
84
85 // Test an array structure
86 google_breakpad::TypedMDRVA<ArrayStructure> array(&writer);
87 unsigned int count = 10;
88 ASSERT_TRUE(array.AllocateArray(count));
89 for (unsigned char i = 0; i < count; ++i) {
90 ArrayStructure local;
91 local.char_value = i;
92 local.short_value = i + 1;
93 local.long_value = i + 2;
94 ASSERT_TRUE(array.CopyIndex(i, &local));
95 }
96
97 // Test an object followed by an array
98 google_breakpad::TypedMDRVA<ObjectAndArrayStructure> obj_array(&writer);
99 ASSERT_TRUE(obj_array.AllocateObjectAndArray(count,
100 sizeof(ArrayStructure)));
101 obj_array.get()->count = count;
102 for (unsigned char i = 0; i < count; ++i) {
103 ArrayStructure local;
104 local.char_value = i;
105 local.short_value = i + 1;
106 local.long_value = i + 2;
107 ASSERT_TRUE(obj_array.CopyIndexAfterObject(i, &local, sizeof(local)));
108 }
109 }
110
111 return writer.Close();
112 }
113
CompareFile(const char * path)114 static bool CompareFile(const char *path) {
115 unsigned long expected[] = {
116 #if defined(__BIG_ENDIAN__)
117 0x0000beef, 0x0000001e, 0x00000018, 0x00000020, 0x00000038, 0x00000000,
118 0x00000018, 0x00460069, 0x00720073, 0x00740020, 0x00530074, 0x00720069,
119 0x006e0067, 0x00000000, 0x0000001a, 0x00530065, 0x0063006f, 0x006e0064,
120 0x00200053, 0x00740072, 0x0069006e, 0x00670000, 0x00000001, 0x00000002,
121 0x01000002, 0x00000003, 0x02000003, 0x00000004, 0x03000004, 0x00000005,
122 0x04000005, 0x00000006, 0x05000006, 0x00000007, 0x06000007, 0x00000008,
123 0x07000008, 0x00000009, 0x08000009, 0x0000000a, 0x0900000a, 0x0000000b,
124 0x0000000a, 0x00000001, 0x00000002, 0x01000002, 0x00000003, 0x02000003,
125 0x00000004, 0x03000004, 0x00000005, 0x04000005, 0x00000006, 0x05000006,
126 0x00000007, 0x06000007, 0x00000008, 0x07000008, 0x00000009, 0x08000009,
127 0x0000000a, 0x0900000a, 0x0000000b, 0x00000000
128 #else
129 0x0000beef, 0x0000001e, 0x00000018, 0x00000020,
130 0x00000038, 0x00000000, 0x00000018, 0x00690046,
131 0x00730072, 0x00200074, 0x00740053, 0x00690072,
132 0x0067006e, 0x00000000, 0x0000001a, 0x00650053,
133 0x006f0063, 0x0064006e, 0x00530020, 0x00720074,
134 0x006e0069, 0x00000067, 0x00011e00, 0x00000002,
135 0x00021e01, 0x00000003, 0x00031e02, 0x00000004,
136 0x00041e03, 0x00000005, 0x00051e04, 0x00000006,
137 0x00061e05, 0x00000007, 0x00071e06, 0x00000008,
138 0x00081e07, 0x00000009, 0x00091e08, 0x0000000a,
139 0x000a1e09, 0x0000000b, 0x0000000a, 0x00011c00,
140 0x00000002, 0x00021c01, 0x00000003, 0x00031c02,
141 0x00000004, 0x00041c03, 0x00000005, 0x00051c04,
142 0x00000006, 0x00061c05, 0x00000007, 0x00071c06,
143 0x00000008, 0x00081c07, 0x00000009, 0x00091c08,
144 0x0000000a, 0x000a1c09, 0x0000000b, 0x00000000,
145 #endif
146 };
147 size_t expected_byte_count = sizeof(expected);
148 int fd = open(path, O_RDONLY, 0600);
149 void *buffer = malloc(expected_byte_count);
150 ASSERT_NE(fd, -1);
151 ASSERT_TRUE(buffer);
152 ASSERT_EQ(read(fd, buffer, expected_byte_count),
153 static_cast<ssize_t>(expected_byte_count));
154
155 char *b1, *b2;
156 b1 = reinterpret_cast<char*>(buffer);
157 b2 = reinterpret_cast<char*>(expected);
158 while (*b1 == *b2) {
159 b1++;
160 b2++;
161 }
162
163 printf("%p\n", reinterpret_cast<void*>(b1 - (char*)buffer));
164
165 ASSERT_EQ(memcmp(buffer, expected, expected_byte_count), 0);
166 return true;
167 }
168
RunTests()169 static bool RunTests() {
170 const char *path = "/tmp/minidump_file_writer_unittest.dmp";
171 ASSERT_TRUE(WriteFile(path));
172 ASSERT_TRUE(CompareFile(path));
173 unlink(path);
174 return true;
175 }
176
main(int argc,const char * argv[])177 extern "C" int main(int argc, const char *argv[]) {
178 return RunTests() ? 0 : 1;
179 }
180