1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// Copyright 2015 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "testing/gtest/include/gtest/gtest.h"
#include "../../../testing/fx_string_testhelpers.h"
#include "../../include/fxcrt/fx_system.h"
// Unit test covering cases where PDFium replaces well-known library
// functionality on any given platformn.
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
namespace {
const FX_CHAR kSentinel = 0x7f;
void Check32BitBase16Itoa(int32_t input, const char* expected_output) {
const size_t kBufLen = 11; // "-" + 8 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_itoa(input, buf, 16);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
void Check32BitBase10Itoa(int32_t input, const char* expected_output) {
const size_t kBufLen = 13; // "-" + 10 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_itoa(input, buf, 10);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
void Check32BitBase2Itoa(int32_t input, const char* expected_output) {
const size_t kBufLen = 35; // "-" + 32 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_itoa(input, buf, 2);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
void Check64BitBase16Itoa(int64_t input, const char* expected_output) {
const size_t kBufLen = 19; // "-" + 16 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_i64toa(input, buf, 16);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
void Check64BitBase10Itoa(int64_t input, const char* expected_output) {
const size_t kBufLen = 22; // "-" + 19 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_i64toa(input, buf, 10);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
void Check64BitBase2Itoa(int64_t input, const char* expected_output) {
const size_t kBufLen = 67; // "-" + 64 digits + NUL + sentinel.
FX_CHAR buf[kBufLen];
buf[kBufLen - 1] = kSentinel;
FXSYS_i64toa(input, buf, 2);
EXPECT_EQ(std::string(expected_output), buf);
EXPECT_EQ(kSentinel, buf[kBufLen - 1]);
}
} // namespace
TEST(fxcrt, FXSYS_itoa_InvalidRadix) {
FX_CHAR buf[32];
FXSYS_itoa(42, buf, 17); // Ours stops at 16.
EXPECT_EQ(std::string(""), buf);
FXSYS_itoa(42, buf, 1);
EXPECT_EQ(std::string(""), buf);
FXSYS_itoa(42, buf, 0);
EXPECT_EQ(std::string(""), buf);
FXSYS_itoa(42, buf, -1);
EXPECT_EQ(std::string(""), buf);
}
TEST(fxcrt, FXSYS_itoa) {
Check32BitBase16Itoa(std::numeric_limits<int32_t>::min(), "-80000000");
Check32BitBase10Itoa(std::numeric_limits<int32_t>::min(), "-2147483648");
Check32BitBase2Itoa(std::numeric_limits<int32_t>::min(),
"-10000000000000000000000000000000");
Check32BitBase16Itoa(-1, "-1");
Check32BitBase10Itoa(-1, "-1");
Check32BitBase2Itoa(-1, "-1");
Check32BitBase16Itoa(0, "0");
Check32BitBase10Itoa(0, "0");
Check32BitBase2Itoa(0, "0");
Check32BitBase16Itoa(42, "2a");
Check32BitBase10Itoa(42, "42");
Check32BitBase2Itoa(42, "101010");
Check32BitBase16Itoa(std::numeric_limits<int32_t>::max(), "7fffffff");
Check32BitBase10Itoa(std::numeric_limits<int32_t>::max(), "2147483647");
Check32BitBase2Itoa(std::numeric_limits<int32_t>::max(),
"1111111111111111111111111111111");
}
TEST(fxcrt, FXSYS_i64toa_InvalidRadix) {
FX_CHAR buf[32];
FXSYS_i64toa(42, buf, 17); // Ours stops at 16.
EXPECT_EQ(std::string(""), buf);
FXSYS_i64toa(42, buf, 1);
EXPECT_EQ(std::string(""), buf);
FXSYS_i64toa(42, buf, 0);
EXPECT_EQ(std::string(""), buf);
FXSYS_i64toa(42, buf, -1);
EXPECT_EQ(std::string(""), buf);
};
TEST(fxcrt, FXSYS_i64toa) {
Check64BitBase16Itoa(std::numeric_limits<int64_t>::min(),
"-8000000000000000");
Check64BitBase10Itoa(std::numeric_limits<int64_t>::min(),
"-9223372036854775808");
Check64BitBase2Itoa(
std::numeric_limits<int64_t>::min(),
"-1000000000000000000000000000000000000000000000000000000000000000");
Check64BitBase16Itoa(-1, "-1");
Check64BitBase10Itoa(-1, "-1");
Check64BitBase2Itoa(-1, "-1");
Check64BitBase16Itoa(0, "0");
Check64BitBase10Itoa(0, "0");
Check64BitBase2Itoa(0, "0");
Check64BitBase16Itoa(42, "2a");
Check64BitBase10Itoa(42, "42");
Check64BitBase2Itoa(42, "101010");
Check64BitBase16Itoa(std::numeric_limits<int64_t>::max(), "7fffffffffffffff");
Check64BitBase10Itoa(std::numeric_limits<int64_t>::max(),
"9223372036854775807");
Check64BitBase2Itoa(
std::numeric_limits<int64_t>::max(),
"111111111111111111111111111111111111111111111111111111111111111");
}
#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
|
