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
|
// Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QStringTokenizer>
#include <QStringBuilder>
#include <QTest>
#include <string>
Q_DECLARE_METATYPE(Qt::SplitBehavior)
namespace {
class tst_QStringTokenizer : public QObject
{
Q_OBJECT
private Q_SLOTS:
void constExpr() const;
void basics_data() const;
void basics() const;
void toContainer() const;
};
static QStringList skipped(const QStringList &sl)
{
QStringList result;
result.reserve(sl.size());
for (const QString &s : sl) {
if (!s.isEmpty())
result.push_back(s);
}
return result;
}
QString toQString(QStringView str)
{
return str.toString();
}
template <typename Container>
QStringList toQStringList(const Container &c)
{
QStringList r;
for (auto &&e : c)
r.push_back(toQString(e));
return r;
}
} // namespace
void tst_QStringTokenizer::constExpr() const
{
// compile-time checks
{
constexpr auto tok = qTokenize(u"a,b,c", u",");
Q_UNUSED(tok);
}
{
constexpr auto tok = qTokenize(u"a,b,c", u',');
Q_UNUSED(tok);
}
}
void tst_QStringTokenizer::basics_data() const
{
QTest::addColumn<Qt::SplitBehavior>("sb");
QTest::addColumn<Qt::CaseSensitivity>("cs");
#define ROW(sb, cs) \
do { QTest::addRow("%s/%s", #sb, #cs) << Qt::SplitBehavior{Qt::sb} << Qt::cs; } while (0)
ROW(KeepEmptyParts, CaseSensitive);
ROW(KeepEmptyParts, CaseInsensitive);
ROW(SkipEmptyParts, CaseSensitive);
ROW(SkipEmptyParts, CaseInsensitive);
#undef ROW
}
void tst_QStringTokenizer::basics() const
{
QFETCH(const Qt::SplitBehavior, sb);
QFETCH(const Qt::CaseSensitivity, cs);
auto expected = QStringList{"", "a", "b", "c", "d", "e", ""};
if (sb & Qt::SkipEmptyParts)
expected = skipped(expected);
QCOMPARE(toQStringList(qTokenize(u",a,b,c,d,e,", u',', sb, cs)), expected);
QCOMPARE(toQStringList(qTokenize(u",a,b,c,d,e,", u',', cs, sb)), expected);
{
auto tok = qTokenize(expected.join(u'x'), u"X" % QString(), Qt::CaseInsensitive);
// the temporary QStrings returned from join() and the QStringBuilder expression
// are now destroyed, but 'tok' should keep both alive
QCOMPARE(toQStringList(tok), expected);
}
using namespace std::string_literals;
{
auto tok = qTokenize(expected.join(u'x'), u"X"s, Qt::CaseInsensitive);
QCOMPARE(toQStringList(tok), expected);
}
{
auto tok = qTokenize(expected.join(u'x'), QLatin1Char('x'), cs, sb);
QCOMPARE(toQStringList(tok), expected);
}
}
void tst_QStringTokenizer::toContainer() const
{
// QStringView value_type:
{
auto tok = qTokenize(u"a,b,c", u',');
auto v = tok.toContainer();
QVERIFY((std::is_same_v<decltype(v), QList<QStringView>>));
}
// QLatin1String value_type
{
auto tok = qTokenize(QLatin1String{"a,b,c"}, u',');
auto v = tok.toContainer();
QVERIFY((std::is_same_v<decltype(v), QList<QLatin1String>>));
}
// QLatin1String value_type into QStringList
{
auto tok = qTokenize(QLatin1String{"a,b,c"}, u',');
QStringList result;
tok.toContainer(result);
QCOMPARE(result, QStringList({"a", "b", "c"}));
}
// QLatin1String value_type into QStringList: rvalue overload
{
QStringList result;
qTokenize(QLatin1String{"a,b,c"}, u',').toContainer(result);
QCOMPARE(result, QStringList({"a", "b", "c"}));
}
}
QTEST_APPLESS_MAIN(tst_QStringTokenizer)
#include "tst_qstringtokenizer.moc"
|
