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
|
#include <library/cpp/testing/gtest/gtest.h>
#include <library/cpp/yt/string/format.h>
#include <library/cpp/yt/small_containers/compact_vector.h>
#include <util/generic/hash_set.h>
#include <limits>
namespace NYT {
namespace {
////////////////////////////////////////////////////////////////////////////////
// Some compile-time sanity checks.
static_assert(CFormattable<int>);
static_assert(CFormattable<double>);
static_assert(CFormattable<void*>);
static_assert(CFormattable<const char*>);
static_assert(CFormattable<TStringBuf>);
static_assert(CFormattable<TString>);
static_assert(CFormattable<std::span<int>>);
static_assert(CFormattable<std::vector<int>>);
// N.B. TCompactVector<int, 1> is not buildable on Windows
static_assert(CFormattable<TCompactVector<int, 2>>);
static_assert(CFormattable<std::set<int>>);
static_assert(CFormattable<std::map<int, int>>);
static_assert(CFormattable<std::multimap<int, int>>);
static_assert(CFormattable<THashSet<int>>);
static_assert(CFormattable<THashMap<int, int>>);
static_assert(CFormattable<THashMultiSet<int>>);
static_assert(CFormattable<std::pair<int, int>>);
static_assert(CFormattable<std::optional<int>>);
static_assert(CFormattable<TDuration>);
static_assert(CFormattable<TInstant>);
struct TUnformattable
{ };
static_assert(!CFormattable<TUnformattable>);
////////////////////////////////////////////////////////////////////////////////
TEST(TFormatTest, Nothing)
{
EXPECT_EQ("abc", Format("a%nb%nc", 1, 2));
}
TEST(TFormatTest, Verbatim)
{
EXPECT_EQ("", Format(""));
EXPECT_EQ("test", Format("test"));
EXPECT_EQ("%", Format("%%"));
EXPECT_EQ("%hello%world%", Format("%%hello%%world%%"));
}
TEST(TFormatTest, MultipleArgs)
{
EXPECT_EQ("2+2=4", Format("%v+%v=%v", 2, 2, 4));
}
TEST(TFormatTest, Strings)
{
EXPECT_EQ("test", Format("%s", "test"));
EXPECT_EQ("test", Format("%s", TStringBuf("test")));
EXPECT_EQ("test", Format("%s", TString("test")));
EXPECT_EQ(" abc", Format("%6s", TString("abc")));
EXPECT_EQ("abc ", Format("%-6s", TString("abc")));
EXPECT_EQ(" abc", Format("%10v", TString("abc")));
EXPECT_EQ("abc ", Format("%-10v", TString("abc")));
EXPECT_EQ("abc", Format("%2s", TString("abc")));
EXPECT_EQ("abc", Format("%-2s", TString("abc")));
EXPECT_EQ("abc", Format("%0s", TString("abc")));
EXPECT_EQ("abc", Format("%-0s", TString("abc")));
EXPECT_EQ(100, std::ssize(Format("%100v", "abc")));
}
TEST(TFormatTest, DecIntegers)
{
EXPECT_EQ("123", Format("%d", 123));
EXPECT_EQ("123", Format("%v", 123));
EXPECT_EQ("042", Format("%03d", 42));
EXPECT_EQ("42", Format("%01d", 42));
EXPECT_EQ("2147483647", Format("%d", std::numeric_limits<i32>::max()));
EXPECT_EQ("-2147483648", Format("%d", std::numeric_limits<i32>::min()));
EXPECT_EQ("0", Format("%u", 0U));
EXPECT_EQ("0", Format("%v", 0U));
EXPECT_EQ("4294967295", Format("%u", std::numeric_limits<ui32>::max()));
EXPECT_EQ("4294967295", Format("%v", std::numeric_limits<ui32>::max()));
EXPECT_EQ("9223372036854775807", Format("%" PRId64, std::numeric_limits<i64>::max()));
EXPECT_EQ("9223372036854775807", Format("%v", std::numeric_limits<i64>::max()));
EXPECT_EQ("-9223372036854775808", Format("%" PRId64, std::numeric_limits<i64>::min()));
EXPECT_EQ("-9223372036854775808", Format("%v", std::numeric_limits<i64>::min()));
EXPECT_EQ("0", Format("%" PRIu64, 0ULL));
EXPECT_EQ("0", Format("%v", 0ULL));
EXPECT_EQ("18446744073709551615", Format("%" PRIu64, std::numeric_limits<ui64>::max()));
EXPECT_EQ("18446744073709551615", Format("%v", std::numeric_limits<ui64>::max()));
}
TEST(TFormatTest, HexIntegers)
{
EXPECT_EQ("7b", Format("%x", 123));
EXPECT_EQ("7B", Format("%X", 123));
EXPECT_EQ("02a", Format("%03x", 42));
EXPECT_EQ("2a", Format("%01x", 42));
EXPECT_EQ("7fffffff", Format("%x", std::numeric_limits<i32>::max()));
EXPECT_EQ("-80000000", Format("%x", std::numeric_limits<i32>::min()));
EXPECT_EQ("0", Format("%x", 0U));
EXPECT_EQ("0", Format("%X", 0U));
EXPECT_EQ("ffffffff", Format("%x", std::numeric_limits<ui32>::max()));
EXPECT_EQ("7fffffffffffffff", Format("%x", std::numeric_limits<i64>::max()));
EXPECT_EQ("-8000000000000000", Format("%x", std::numeric_limits<i64>::min()));
EXPECT_EQ("0", Format("%x", 0ULL));
EXPECT_EQ("ffffffffffffffff", Format("%x", std::numeric_limits<ui64>::max()));
}
TEST(TFormatTest, Floats)
{
EXPECT_EQ("3.14", Format("%.2f", 3.1415F));
EXPECT_EQ("3.14", Format("%.2v", 3.1415F));
EXPECT_EQ("3.14", Format("%.2lf", 3.1415));
EXPECT_EQ("3.14", Format("%.2v", 3.1415));
EXPECT_EQ(TString(std::to_string(std::numeric_limits<double>::max())),
Format("%lF", std::numeric_limits<double>::max()));
}
TEST(TFormatTest, Bool)
{
EXPECT_EQ("True", Format("%v", true));
EXPECT_EQ("False", Format("%v", false));
EXPECT_EQ("true", Format("%lv", true));
EXPECT_EQ("false", Format("%lv", false));
}
TEST(TFormatTest, Quotes)
{
EXPECT_EQ("\"True\"", Format("%Qv", true));
EXPECT_EQ("'False'", Format("%qv", false));
EXPECT_EQ("'\\\'\"'", Format("%qv", "\'\""));
EXPECT_EQ("\"\\x01\"", Format("%Qv", "\x1"));
EXPECT_EQ("'\\x1b'", Format("%qv", '\x1b'));
EXPECT_EQ("'\\\\'", Format("%qv", '\\'));
EXPECT_EQ("'\\n'", Format("%qv", '\n'));
EXPECT_EQ("'\\t'", Format("%qv", '\t'));
EXPECT_EQ("'\\\''", Format("%qv", '\''));
EXPECT_EQ("\"'\"", Format("%Qv", '\''));
EXPECT_EQ("'\"'", Format("%qv", '\"'));
EXPECT_EQ("\"\\\"\"", Format("%Qv", '\"'));
}
TEST(TFormatTest, Escape)
{
EXPECT_EQ("\'\"", Format("%hv", "\'\""));
EXPECT_EQ("\\x01", Format("%hv", "\x1"));
EXPECT_EQ("\\x1b", Format("%hv", '\x1b'));
EXPECT_EQ("\\\\", Format("%hv", '\\'));
EXPECT_EQ("\\n", Format("%hv", '\n'));
EXPECT_EQ("\\t", Format("%hv", '\t'));
EXPECT_EQ("\'", Format("%hv", '\''));
}
TEST(TFormatTest, Nullable)
{
EXPECT_EQ("1", Format("%v", std::make_optional<int>(1)));
EXPECT_EQ("<null>", Format("%v", std::nullopt));
EXPECT_EQ("<null>", Format("%v", std::optional<int>()));
EXPECT_EQ("3.14", Format("%.2f", std::optional<double>(3.1415)));
}
TEST(TFormatTest, Pointers)
{
{
auto ptr = reinterpret_cast<void*>(0x12345678);
EXPECT_EQ("0x12345678", Format("%p", ptr));
EXPECT_EQ("0x12345678", Format("%v", ptr));
EXPECT_EQ("12345678", Format("%x", ptr));
EXPECT_EQ("12345678", Format("%X", ptr));
}
{
auto ptr = reinterpret_cast<void*>(0x12345678abcdefab);
EXPECT_EQ("0x12345678abcdefab", Format("%p", ptr));
EXPECT_EQ("0x12345678abcdefab", Format("%v", ptr));
EXPECT_EQ("12345678abcdefab", Format("%x", ptr));
EXPECT_EQ("12345678ABCDEFAB", Format("%X", ptr));
}
}
TEST(TFormatTest, LazyMultiValueFormatter)
{
int i = 1;
TString s = "hello";
std::vector<int> range{1, 2, 3};
auto lazyFormatter = MakeLazyMultiValueFormatter(
"int: %v, string: %v, range: %v",
i,
s,
MakeFormattableView(range, TDefaultFormatter{}));
EXPECT_EQ("int: 1, string: hello, range: [1, 2, 3]", Format("%v", lazyFormatter));
}
TEST(TFormatTest, VectorArg)
{
std::vector<TString> params = {"a", "b", "c"};
EXPECT_EQ(FormatVector("a is %v, b is %v, c is %v", params), "a is a, b is b, c is c");
}
TEST(TFormatTest, RuntimeFormat)
{
TString format = "Hello %v";
EXPECT_EQ(Format(TRuntimeFormat(format), "World"), "Hello World");
}
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT
|
