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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
#include "strprintf.h"
#include <cinttypes>
#include <limits>
#include "3rd-party/catch.hpp"
using namespace newsboat;
TEST_CASE("strprintf::fmt()", "[strprintf]")
{
REQUIRE(strprintf::fmt("") == "");
REQUIRE(strprintf::fmt("%s", "") == "");
REQUIRE(strprintf::fmt("%u", 0) == "0");
REQUIRE(strprintf::fmt("%s", nullptr) == "(null)");
REQUIRE(strprintf::fmt("%u-%s-%c", 23, "hello world", 'X') ==
"23-hello world-X");
REQUIRE(strprintf::fmt("%%") == "%");
std::string long_input_without_formats(240000, 'x');
REQUIRE(strprintf::fmt(long_input_without_formats) ==
long_input_without_formats);
}
TEST_CASE("strprintf::split_format()", "[strprintf]")
{
std::string first, rest;
SECTION("empty format string") {
std::tie(first, rest) = strprintf::split_format("");
REQUIRE(first == "");
REQUIRE(rest == "");
}
SECTION("string without formats") {
const std::string input = "hello world!";
std::tie(first, rest) = strprintf::split_format(input);
REQUIRE(first == input);
REQUIRE(rest == "");
}
SECTION("string with a couple formats") {
const std::string input = "hello %i world %s haha";
std::tie(first, rest) = strprintf::split_format(input);
REQUIRE(first == "hello %i world ");
REQUIRE(rest == "%s haha");
std::tie(first, rest) = strprintf::split_format(rest);
REQUIRE(first == "%s haha");
REQUIRE(rest == "");
}
SECTION("string with %% (escaped percent sign)") {
SECTION("before any formats") {
const std::string input = "a 100%% rel%iable e%xamp%le";
std::tie(first, rest) = strprintf::split_format(input);
REQUIRE(first == "a 100%% rel%iable e");
REQUIRE(rest == "%xamp%le");
std::tie(first, rest) = strprintf::split_format(rest);
REQUIRE(first == "%xamp");
REQUIRE(rest == "%le");
std::tie(first, rest) = strprintf::split_format(rest);
REQUIRE(first == "%le");
REQUIRE(rest == "");
}
SECTION("after all formats") {
const std::string input = "%3u %% ";
std::tie(first, rest) = strprintf::split_format(input);
REQUIRE(first == "%3u ");
REQUIRE(rest == "%% ");
std::tie(first, rest) = strprintf::split_format(rest);
REQUIRE(first == "%% ");
REQUIRE(rest == "");
}
SECTION("consecutive escaped percent signs") {
const std::string input = "%3u %% %% %i";
std::tie(first, rest) = strprintf::split_format(input);
REQUIRE(first == "%3u ");
REQUIRE(rest == "%% %% %i");
std::tie(first, rest) = strprintf::split_format(rest);
REQUIRE(first == "%% %% %i");
REQUIRE(rest == "");
}
}
}
TEST_CASE("strprintf::fmt() formats char* as a string", "[strprintf]")
{
const char* input = "Hello, world!";
REQUIRE(strprintf::fmt("%s", input) == std::string(input));
REQUIRE(strprintf::fmt("%15s", input) == " Hello, world!");
REQUIRE(strprintf::fmt("%-15s", input) == "Hello, world! ");
}
TEST_CASE("strprintf::fmt() formats int32_t", "[strprintf]")
{
const int32_t input = 42;
REQUIRE(strprintf::fmt("%" PRIi32, input) == "42");
REQUIRE(strprintf::fmt("%" PRId32, input) == "42");
const auto i32_min = std::numeric_limits<int32_t>::min();
REQUIRE(strprintf::fmt("%" PRIi32, i32_min) == "-2147483648");
REQUIRE(strprintf::fmt("%" PRId32, i32_min) == "-2147483648");
const auto i32_max = std::numeric_limits<int32_t>::max();
REQUIRE(strprintf::fmt("%" PRIi32, i32_max) == "2147483647");
REQUIRE(strprintf::fmt("%" PRId32, i32_max) == "2147483647");
}
TEST_CASE("strprintf::fmt() formats uint32_t", "[strprintf]")
{
const std::uint32_t input = 42;
REQUIRE(strprintf::fmt("%" PRIu32, input) == "42");
const std::uint32_t zero = 0;
REQUIRE(strprintf::fmt("%" PRIu32, zero) == "0");
const std::uint32_t u32_max = std::numeric_limits<std::uint32_t>::max();
REQUIRE(strprintf::fmt("%" PRIu32, u32_max) == "4294967295");
}
TEST_CASE("strprintf::fmt() formats int64_t", "[strprintf]")
{
const int64_t input = 42;
REQUIRE(strprintf::fmt("%" PRIi64, input) == "42");
REQUIRE(strprintf::fmt("%" PRId64, input) == "42");
const auto i64_min = std::numeric_limits<int64_t>::min();
REQUIRE(strprintf::fmt("%" PRIi64, i64_min) == "-9223372036854775808");
REQUIRE(strprintf::fmt("%" PRId64, i64_min) == "-9223372036854775808");
const auto i64_max = std::numeric_limits<int64_t>::max();
REQUIRE(strprintf::fmt("%" PRIi64, i64_max) == "9223372036854775807");
REQUIRE(strprintf::fmt("%" PRId64, i64_max) == "9223372036854775807");
}
TEST_CASE("strprintf::fmt() formats uint64_t", "[strprintf]")
{
const uint64_t input = 42;
REQUIRE(strprintf::fmt("%" PRIu64, input) == "42");
const uint64_t zero = 0;
REQUIRE(strprintf::fmt("%" PRIu64, zero) == "0");
const uint64_t u64_max = std::numeric_limits<uint64_t>::max();
REQUIRE(strprintf::fmt("%" PRIu64, u64_max) == "18446744073709551615");
}
TEST_CASE("strprintf::fmt() formats pointers", "[strprintf]")
{
const auto x = 42;
const auto x_ptr = &x;
const auto x_ptr_formatted = strprintf::fmt("%p", x_ptr);
const auto x_ptr_void = reinterpret_cast<const void*>(x_ptr);
const auto x_ptr_void_formatted = strprintf::fmt("%p", x_ptr_void);
REQUIRE_FALSE(x_ptr_formatted == "");
REQUIRE(x_ptr_formatted == x_ptr_void_formatted);
}
TEST_CASE("strprintf::fmt() formats null pointers the same", "[strprintf]")
{
const auto int_ptr_fmt =
strprintf::fmt("%p", static_cast<const int*>(nullptr));
const auto uint_ptr_fmt =
strprintf::fmt("%p", static_cast<const unsigned int*>(nullptr));
const auto long_ptr_fmt =
strprintf::fmt("%p", static_cast<const long*>(nullptr));
const auto ulong_ptr_fmt =
strprintf::fmt("%p", static_cast<const unsigned long*>(nullptr));
const auto llong_ptr_fmt =
strprintf::fmt("%p", static_cast<const long long*>(nullptr));
const auto ullong_ptr_fmt =
strprintf::fmt("%p", static_cast<const unsigned long long*>(nullptr));
REQUIRE_FALSE(int_ptr_fmt == "");
REQUIRE(int_ptr_fmt == uint_ptr_fmt);
REQUIRE(uint_ptr_fmt == long_ptr_fmt);
REQUIRE(long_ptr_fmt == ulong_ptr_fmt);
REQUIRE(ulong_ptr_fmt == llong_ptr_fmt);
REQUIRE(llong_ptr_fmt == ullong_ptr_fmt);
}
TEST_CASE("strprintf::fmt() formats double", "[strprintf]")
{
const auto x = 42.0;
REQUIRE(strprintf::fmt("%f", x) == "42.000000");
REQUIRE(strprintf::fmt("%.3f", x) == "42.000");
const auto y = 42e138;
REQUIRE(strprintf::fmt("%e", y) == "4.200000e+139");
REQUIRE(strprintf::fmt("%.3e", y) == "4.200e+139");
}
TEST_CASE("strprintf::fmt() formats float", "[strprintf]")
{
const auto x = 42.0f;
REQUIRE(strprintf::fmt("%f", x) == "42.000000");
REQUIRE(strprintf::fmt("%.3f", x) == "42.000");
const auto y = 42e3f;
REQUIRE(strprintf::fmt("%e", y) == "4.200000e+04");
REQUIRE(strprintf::fmt("%.3e", y) == "4.200e+04");
}
TEST_CASE("strprintf::fmt() formats std::string", "[strprintf]")
{
const auto input = std::string("Hello, world!");
REQUIRE(strprintf::fmt("%s", input) == input);
REQUIRE(strprintf::fmt("%15s", input) == " Hello, world!");
REQUIRE(strprintf::fmt("%-15s", input) == "Hello, world! ");
}
TEST_CASE("strprintf::fmt() formats std::string*", "[strprintf]")
{
const auto input = std::string("Hello, world!");
REQUIRE(strprintf::fmt("%s", &input) == input);
REQUIRE(strprintf::fmt("%15s", input) == " Hello, world!");
REQUIRE(strprintf::fmt("%-15s", input) == "Hello, world! ");
}
TEST_CASE("strprintf::fmt() works fine with 2MB format string", "[strprintf]")
{
const auto spacer = std::string(1024 * 1024, ' ');
const auto format = spacer + "%i" + spacer + "%i";
const auto expected = spacer + "42" + spacer + "100500";
REQUIRE(strprintf::fmt(format, 42, 100500) == expected);
}
|
