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
|
#include "join.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/vector.h>
#include <util/stream/output.h>
struct TCustomData {
TVector<int> Ints;
};
TString ToString(const TCustomData& d) {
return JoinSeq("__", d.Ints);
}
Y_UNIT_TEST_SUITE(JoinStringTest) {
Y_UNIT_TEST(ScalarItems) {
UNIT_ASSERT_EQUAL(Join(',', 10, 11.1, "foobar"), "10,11.1,foobar");
UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, "foobar"), "10, 11.1, foobar");
UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, TString("foobar")), "10, 11.1, foobar");
UNIT_ASSERT_EQUAL(Join('#', 0, "a", "foobar", -1.4, TStringBuf("aaa")), "0#a#foobar#-1.4#aaa");
UNIT_ASSERT_EQUAL(Join("", "", ""), "");
UNIT_ASSERT_EQUAL(Join("", "a", "b", "c"), "abc");
UNIT_ASSERT_EQUAL(Join("", "a", "b", "", "c"), "abc");
UNIT_ASSERT_EQUAL(Join(" ", "a", "b", "", "c"), "a b c");
}
Y_UNIT_TEST(IntContainerItems) {
int v[] = {1, 2, 3};
TVector<int> vv(v, v + 3);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vv), "1 2 3");
UNIT_ASSERT_EQUAL(JoinSeq(" ", vv), JoinRange(" ", vv.begin(), vv.end()));
UNIT_ASSERT_EQUAL(JoinRange(" ", v, v + 2), "1 2");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {}), "");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {42}), "42");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {1, 2, 3}), "1 2 3");
UNIT_ASSERT_VALUES_EQUAL(JoinSeq(" ", v), "1 2 3");
}
Y_UNIT_TEST(StrContainerItems) {
// try various overloads and template type arguments
static const char* const result = "1 22 333";
static const char* const v[] = {"1", "22", "333"};
TVector<const char*> vchar(v, v + sizeof(v) / sizeof(v[0]));
TVector<TStringBuf> vbuf(v, v + sizeof(v) / sizeof(v[0]));
TVector<TString> vstring(v, v + sizeof(v) / sizeof(v[0]));
// ranges
UNIT_ASSERT_EQUAL(JoinRange(" ", v, v + 3), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vchar.begin(), vchar.end()), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vbuf.begin(), vbuf.end()), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vstring.begin(), vstring.end()), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", v, v + 3);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vchar.begin(), vchar.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vbuf.begin(), vbuf.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vstring.begin(), vstring.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// vectors
UNIT_ASSERT_EQUAL(JoinSeq(" ", vchar), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vbuf), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vstring), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vchar);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vbuf);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vstring);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// initializer lists with type deduction
UNIT_ASSERT_EQUAL(JoinSeq(" ", {v[0], v[1], v[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vchar[0], vchar[1], vchar[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vbuf[0], vbuf[1], vbuf[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vstring[0], vstring[1], vstring[2]}), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {v[0], v[1], v[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vchar[0], vchar[1], vchar[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vbuf[0], vbuf[1], vbuf[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vstring[0], vstring[1], vstring[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// initializer lists with explicit types
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<const char*>{v[0], v[1], v[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<const char*>{vchar[0], vchar[1], vchar[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<TStringBuf>{vbuf[0], vbuf[1], vbuf[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<TString>{vstring[0], vstring[1], vstring[2]}), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<const char*>{v[0], v[1], v[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<const char*>{vchar[0], vchar[1], vchar[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<TStringBuf>{vbuf[0], vbuf[1], vbuf[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<TString>{vstring[0], vstring[1], vstring[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// c-style array
UNIT_ASSERT_VALUES_EQUAL(JoinSeq(" ", v), result);
}
Y_UNIT_TEST(CustomToString) {
TCustomData d1{{1, 2, 3, 4, 5}};
TCustomData d2{{0, -1, -2}};
UNIT_ASSERT_EQUAL(Join(" ", d1, d2), "1__2__3__4__5 0__-1__-2");
}
Y_UNIT_TEST(JoinChars) {
// Note that char delimeter is printed as single char string,
// but joined char values are printed as their numeric codes! O_o
UNIT_ASSERT_EQUAL(Join('a', 'a', 'a'), "97a97");
UNIT_ASSERT_EQUAL(Join("a", "a", "a"), "aaa");
}
} // Y_UNIT_TEST_SUITE(JoinStringTest)
|
