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
|
/* Copyright (c) 2013, 2025, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <ctype.h>
#include <gtest/gtest.h>
#include <iterator>
#include <string>
#include <vector>
#include "include/template_utils.h"
namespace template_utils_unittest {
class Base {
public:
int id() const { return 1; }
// Needed to make compiler understand that it's a polymorphic class.
virtual ~Base() = default;
// To silence -Wdeprecated-copy.
Base() = default;
Base(const Base &) = default;
};
class Descendent : public Base {
public:
int id() const { return 2; }
};
TEST(TemplateUtilsTest, DownCastReference) {
Descendent descendent;
Base &baseref = descendent;
auto descendentref = down_cast<Descendent &>(baseref);
EXPECT_EQ(1, baseref.id());
EXPECT_EQ(2, descendentref.id());
}
TEST(TemplateUtilsTest, DownCastRvalueReference) {
Descendent descendent;
Base &&baseref = Descendent();
auto descendentref = down_cast<Descendent &&>(baseref);
EXPECT_EQ(1, baseref.id());
EXPECT_EQ(2, descendentref.id());
}
TEST(TemplateUtilsTest, DownCastPointer) {
Descendent descendent;
Base *baseref = &descendent;
auto descendentref = down_cast<Descendent *>(baseref);
EXPECT_EQ(1, baseref->id());
EXPECT_EQ(2, descendentref->id());
}
TEST(TemplateUtilsTest, FindTrimmedEndCstr) {
const char *s = "";
EXPECT_EQ(s, myu::FindTrimmedEnd(s, s + strlen(s), myu::IsSpace));
s = "foo";
EXPECT_EQ(s + 3, myu::FindTrimmedEnd(s, s + strlen(s), myu::IsSpace));
s = " ba r ";
EXPECT_EQ(s + 6, myu::FindTrimmedEnd(s, s + strlen(s), myu::IsSpace));
}
TEST(TemplateUtilsTest, FindTrimmedEndString) {
std::string s = "";
EXPECT_EQ(s.end(), myu::FindTrimmedEnd(s.begin(), s.end(), myu::IsSpace));
s = "foo";
EXPECT_EQ(s.end(), myu::FindTrimmedEnd(s.begin(), s.end(), myu::IsSpace));
s = " ba r ";
EXPECT_EQ(s.begin() + 6,
myu::FindTrimmedEnd(s.begin(), s.end(), myu::IsSpace));
}
TEST(TemplateUtilsTest, FindTrimmedRangeCstr) {
const char *s = "";
EXPECT_EQ(std::make_pair(s, s),
myu::FindTrimmedRange(s, s + strlen(s), myu::IsSpace));
s = "foo";
EXPECT_EQ(std::make_pair(s, s + 3),
myu::FindTrimmedRange(s, s + strlen(s), myu::IsSpace));
s = " ba r ";
EXPECT_EQ(std::make_pair(s + 1, s + 6),
myu::FindTrimmedRange(s, s + strlen(s), myu::IsSpace));
}
TEST(TemplateUtilsTest, FindTrimmedRangeString) {
std::string s = "";
EXPECT_EQ(std::make_pair(s.begin(), s.end()),
myu::FindTrimmedRange(s.begin(), s.end(), myu::IsSpace));
s = "foo";
EXPECT_EQ(std::make_pair(s.begin(), s.end()),
myu::FindTrimmedRange(s.begin(), s.end(), myu::IsSpace));
s = " ba r ";
EXPECT_EQ(std::make_pair(s.begin() + 1, s.begin() + 6),
myu::FindTrimmedRange(s.begin(), s.end(), myu::IsSpace));
auto begin_end = myu::FindTrimmedRange(s.cbegin(), s.cend(), myu::IsSpace);
EXPECT_NE(begin_end.first, begin_end.second);
EXPECT_EQ(std::string("ba r"),
std::string(begin_end.first, begin_end.second));
}
using StrVec = std::vector<std::string>;
TEST(TemplateUtilsTest, SplitEmptyCstr) {
const char *s = "";
StrVec elts;
myu::Split(s, s + strlen(s), myu::IsComma, [&](const char *f, const char *l) {
elts.emplace_back(f, (l - f));
});
EXPECT_EQ(0u, elts.size());
}
TEST(TemplateUtilsTest, SplitEmptyString) {
std::string s = "";
StrVec elts;
myu::Split(s.begin(), s.end(), myu::IsComma,
[&](const auto &f, const auto &l) { elts.emplace_back(f, l); });
EXPECT_EQ(0u, elts.size());
}
TEST(TemplateUtilsTest, SplitSingleRangeCstr) {
const char *s = "foo";
StrVec elts;
myu::Split(s, s + strlen(s), myu::IsComma, [&](const char *f, const char *l) {
elts.emplace_back(f, (l - f));
});
EXPECT_EQ(StrVec{"foo"}, elts);
}
TEST(TemplateUtilsTest, SplitSingleRangeString) {
std::string s = "foo";
StrVec elts;
myu::Split(s.begin(), s.end(), myu::IsComma,
[&](const auto &f, const auto &l) { elts.emplace_back(f, l); });
EXPECT_EQ(StrVec{"foo"}, elts);
}
TEST(TemplateUtilsTest, SplitCstr) {
const char *s = " , ,, some text ,,,additional text,,,, ";
StrVec elts;
myu::Split(s, s + strlen(s), myu::IsComma, [&](const char *f, const char *l) {
elts.emplace_back(f, (l - f));
});
StrVec expected{" ", " ", "", " some text ", "", "", "additional text", "",
"", "", " "};
EXPECT_EQ(expected, elts);
}
TEST(TemplateUtilsTest, SplitStringDiscardEmpty) {
std::string s = " , ,, some text ,,,additional text,,,, ";
StrVec elts;
myu::Split(std::begin(s), std::end(s), myu::IsComma,
[&](std::string::const_iterator f, std::string::const_iterator l) {
if (f != l) elts.emplace_back(f, l);
});
StrVec expected{" ", " ", " some text ", "additional text", " "};
EXPECT_EQ(expected, elts);
}
TEST(TemplateUtilsTest, SplitStringTrimDiscardEmpty) {
std::string s = " , ,, some text ,,,additional text,,,, ";
StrVec elts;
myu::Split(std::begin(s), std::end(s), myu::IsComma,
[&](std::string::const_iterator f, std::string::const_iterator l) {
auto rng = myu::FindTrimmedRange(f, l, myu::IsSpace);
if (rng.first != rng.second)
elts.emplace_back(rng.first, rng.second);
});
StrVec expected{"some text", "additional text"};
EXPECT_EQ(expected, elts);
}
TEST(TemplateUtilsTest, SplitVector) {
std::vector<int> v = {0, 1, -1, 3, 4, -1, -1};
std::vector<std::vector<int>> elts;
myu::Split(
std::begin(v), std::end(v), [](int i) { return i < 0; },
[&](std::vector<int>::const_iterator f,
std::vector<int>::const_iterator l) {
if (f != l) elts.emplace_back(f, l);
});
std::vector<std::vector<int>> exp{{0, 1}, {3, 4}};
EXPECT_EQ(exp, elts);
}
} // namespace template_utils_unittest
|
