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28
29#include <QTest>
30#include <private/qbytedata_p.h>
31// for QIODEVICE_BUFFERSIZE macro (== 16384):
32#include <private/qiodevice_p.h>
33
34class tst_QByteDataBuffer : public QObject
35{
36 Q_OBJECT
37private Q_SLOTS:
38 void canReadLine();
39 void positionHandling();
40 void appendBuffer();
41 void readCompleteBuffer_data();
42 void readCompleteBuffer();
43 void readPartialBuffer_data();
44 void readPartialBuffer();
45private:
46 void readBuffer(int size, int readSize);
47};
48
49void tst_QByteDataBuffer::canReadLine()
50{
51 QByteDataBuffer buf;
52 buf.append(bd: QByteArray("a"));
53 buf.append(bd: QByteArray("\nb"));
54 QVERIFY(buf.canReadLine());
55 QVERIFY(buf.getChar() == 'a');
56 QVERIFY(buf.canReadLine());
57 QVERIFY(buf.getChar() == '\n');
58 QVERIFY(!buf.canReadLine());
59}
60
61void tst_QByteDataBuffer::positionHandling()
62{
63 QByteDataBuffer buf;
64 buf.append(bd: QByteArray("abc"));
65 buf.append(bd: QByteArray("def"));
66
67 QCOMPARE(buf.byteAmount(), (qlonglong)6);
68 QCOMPARE(buf.sizeNextBlock(), (qlonglong)3);
69
70 QCOMPARE(buf.getChar(), 'a');
71 QCOMPARE(buf.byteAmount(), (qlonglong)5);
72 QCOMPARE(buf.sizeNextBlock(), (qlonglong)2);
73
74 QVERIFY(!strcmp(buf[0].constData(), "bc"));
75 QCOMPARE(buf.getChar(), 'b');
76 QCOMPARE(buf.byteAmount(), (qlonglong)4);
77 QCOMPARE(buf.sizeNextBlock(), (qlonglong)1);
78
79 QByteArray tmp("ab");
80 buf.prepend(bd: tmp);
81 QCOMPARE(buf.byteAmount(), (qlonglong)6);
82 QVERIFY(!strcmp(buf.readAll().constData(), "abcdef"));
83 QCOMPARE(buf.byteAmount(), (qlonglong)0);
84
85 QByteDataBuffer buf2;
86 buf2.append(bd: QByteArray("abc"));
87 buf2.getChar();
88 QCOMPARE(buf2.read(), QByteArray("bc"));
89}
90
91void tst_QByteDataBuffer::appendBuffer()
92{
93 QByteDataBuffer buf;
94 buf.append(bd: QByteArray("\1\2\3"));
95 buf.getChar();
96
97 QByteDataBuffer tmp;
98 tmp.append(other: buf);
99 QCOMPARE(tmp.readAll(), buf.readAll());
100}
101
102static QByteArray makeByteArray(int size)
103{
104 QByteArray array;
105 array.resize(size);
106 char *data = array.data();
107 for (int i = 0; i < size; ++i)
108 data[i] = i % 256;
109 return array;
110}
111
112
113void tst_QByteDataBuffer::readBuffer(int size, int readSize)
114{
115 QByteArray data = makeByteArray(size);
116
117 QByteDataBuffer buf;
118 buf.append(bd: data);
119
120 QByteArray tmp;
121 tmp.resize(size);
122
123 QBENCHMARK_ONCE {
124 for (int i = 0; i < (size - 1) / readSize + 1; ++i)
125 buf.read(dst: tmp.data() + i * readSize, amount: readSize);
126 }
127
128 QCOMPARE(data.size(), tmp.size());
129 QCOMPARE(data, tmp);
130}
131
132void tst_QByteDataBuffer::readCompleteBuffer_data()
133{
134 QTest::addColumn<int>(name: "size");
135 QTest::newRow(dataTag: "10B") << (int)10;
136 QTest::newRow(dataTag: "1MB") << (int)1e6;
137 QTest::newRow(dataTag: "5MB") << (int)5e6;
138 QTest::newRow(dataTag: "10MB") << (int)10e6;
139}
140
141void tst_QByteDataBuffer::readCompleteBuffer()
142{
143 QFETCH(int, size);
144 readBuffer(size, readSize: size);
145}
146
147void tst_QByteDataBuffer::readPartialBuffer_data()
148{
149 readCompleteBuffer_data();
150}
151
152void tst_QByteDataBuffer::readPartialBuffer()
153{
154 QFETCH(int, size);
155 // QIODevice::readAll() reads in QIODEVICE_BUFFERSIZE size
156 // increments.
157 readBuffer(size, QIODEVICE_BUFFERSIZE);
158}
159
160QTEST_MAIN(tst_QByteDataBuffer)
161#include "tst_qbytedatabuffer.moc"
162

source code of qtbase/tests/auto/corelib/text/qbytedatabuffer/tst_qbytedatabuffer.cpp