diff options
Diffstat (limited to 'tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp')
| -rw-r--r-- | tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp | 129 |
1 files changed, 89 insertions, 40 deletions
diff --git a/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp b/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp index 8c29064457..77fc6ad6ae 100644 --- a/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp +++ b/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp @@ -48,10 +48,12 @@ private slots: void sizeWhenReserved(); void free(); void reserveAndRead(); + void reserveFrontAndRead(); void chop(); void ungetChar(); void indexOf(); void appendAndRead(); + void peek(); void readLine(); }; @@ -60,7 +62,7 @@ void tst_QRingBuffer::sizeWhenReserved() QRingBuffer ringBuffer; ringBuffer.reserve(5); - QCOMPARE(ringBuffer.size(), 5); + QCOMPARE(ringBuffer.size(), Q_INT64_C(5)); } void tst_QRingBuffer::sizeWhenReservedAndChopped() @@ -69,14 +71,14 @@ void tst_QRingBuffer::sizeWhenReservedAndChopped() ringBuffer.reserve(31337); ringBuffer.chop(31337); - QCOMPARE(ringBuffer.size(), 0); + QCOMPARE(ringBuffer.size(), Q_INT64_C(0)); } void tst_QRingBuffer::sizeWhenEmpty() { QRingBuffer ringBuffer; - QCOMPARE(ringBuffer.size(), 0); + QCOMPARE(ringBuffer.size(), Q_INT64_C(0)); } void tst_QRingBuffer::readPointerAtPositionReadTooMuch() @@ -86,7 +88,7 @@ void tst_QRingBuffer::readPointerAtPositionReadTooMuch() qint64 length; const char *buf = ringBuffer.readPointerAtPosition(42, length); QVERIFY(buf == 0); - QVERIFY(length == 0); + QCOMPARE(length, Q_INT64_C(0)); } void tst_QRingBuffer::readPointerAtPositionWithHead() @@ -101,22 +103,22 @@ void tst_QRingBuffer::readPointerAtPositionWithHead() qint64 length; const char* buf2 = ringBuffer.readPointerAtPosition(0, length); - QCOMPARE(length, qint64(2)); - QVERIFY(*buf2 == '2'); - QVERIFY(*(buf2+1) == '3'); + QCOMPARE(length, Q_INT64_C(2)); + QCOMPARE(*buf2, '2'); + QCOMPARE(*(buf2 + 1), '3'); // advance 2 more, ringBuffer should be empty then ringBuffer.free(2); buf2 = ringBuffer.readPointerAtPosition(0, length); - QCOMPARE(length, qint64(0)); + QCOMPARE(length, Q_INT64_C(0)); QVERIFY(buf2 == 0); // check buffer with 2 blocks memcpy(ringBuffer.reserve(4), "0123", 4); ringBuffer.append(QByteArray("45678", 5)); ringBuffer.free(3); - buf2 = ringBuffer.readPointerAtPosition(1, length); - QCOMPARE(length, qint64(5)); + buf2 = ringBuffer.readPointerAtPosition(Q_INT64_C(1), length); + QCOMPARE(length, Q_INT64_C(5)); } void tst_QRingBuffer::readPointerAtPositionEmptyRead() @@ -126,7 +128,7 @@ void tst_QRingBuffer::readPointerAtPositionEmptyRead() qint64 length; const char *buf = ringBuffer.readPointerAtPosition(0, length); QVERIFY(buf == 0); - QVERIFY(length == 0); + QCOMPARE(length, Q_INT64_C(0)); } void tst_QRingBuffer::readPointerAtPositionWriteRead() @@ -149,14 +151,14 @@ void tst_QRingBuffer::readPointerAtPositionWriteRead() // write in chunks of 50 bytes // this ensures there will be multiple QByteArrays inside the QRingBuffer // since QRingBuffer is then only using individual arrays of around 4000 bytes - qint64 thisWrite = qMin(remaining, qint64(50)); + qint64 thisWrite = qMin(remaining, Q_INT64_C(50)); char *pos = ringBuffer.reserve(thisWrite); inData.read(pos, thisWrite); remaining -= thisWrite; } // was data put into it? QVERIFY(ringBuffer.size() > 0); - QCOMPARE(qint64(ringBuffer.size()), inData.size()); + QCOMPARE(ringBuffer.size(), inData.size()); //read from the QRingBuffer in loop, put back into another QBuffer QBuffer outData; @@ -187,12 +189,12 @@ void tst_QRingBuffer::free() ringBuffer.append(QByteArray("01234", 5)); ringBuffer.free(1); - QCOMPARE(ringBuffer.size(), 4095 + 2048 + 5); + QCOMPARE(ringBuffer.size(), Q_INT64_C(4095 + 2048 + 5)); ringBuffer.free(4096); - QCOMPARE(ringBuffer.size(), 2047 + 5); + QCOMPARE(ringBuffer.size(), Q_INT64_C(2047 + 5)); ringBuffer.free(48); ringBuffer.free(2000); - QCOMPARE(ringBuffer.size(), 4); + QCOMPARE(ringBuffer.size(), Q_INT64_C(4)); QVERIFY(memcmp(ringBuffer.readPointer(), "1234", 4) == 0); } @@ -211,11 +213,33 @@ void tst_QRingBuffer::reserveAndRead() for (int i = 1; i < 256; ++i) { QByteArray ba; ba.resize(i); - int thisRead = ringBuffer.read(ba.data(), i); - QCOMPARE(thisRead, i); - QVERIFY(ba.count(char(i)) == i); + qint64 thisRead = ringBuffer.read(ba.data(), i); + QCOMPARE(thisRead, qint64(i)); + QCOMPARE(ba.count(char(i)), i); } - QVERIFY(ringBuffer.size() == 0); + QCOMPARE(ringBuffer.size(), Q_INT64_C(0)); +} + +void tst_QRingBuffer::reserveFrontAndRead() +{ + QRingBuffer ringBuffer; + // fill buffer with an arithmetic progression + for (int i = 1; i < 256; ++i) { + QByteArray ba(i, char(i)); + char *ringPos = ringBuffer.reserveFront(i); + QVERIFY(ringPos); + memcpy(ringPos, ba.constData(), i); + } + + // readback and check stored data + for (int i = 255; i > 0; --i) { + QByteArray ba; + ba.resize(i); + qint64 thisRead = ringBuffer.read(ba.data(), i); + QCOMPARE(thisRead, qint64(i)); + QCOMPARE(ba.count(char(i)), i); + } + QCOMPARE(ringBuffer.size(), Q_INT64_C(0)); } void tst_QRingBuffer::chop() @@ -227,12 +251,12 @@ void tst_QRingBuffer::chop() ringBuffer.reserve(4096); ringBuffer.chop(1); - QCOMPARE(ringBuffer.size(), 5 + 2048 + 4095); + QCOMPARE(ringBuffer.size(), Q_INT64_C(5 + 2048 + 4095)); ringBuffer.chop(4096); - QCOMPARE(ringBuffer.size(), 5 + 2047); + QCOMPARE(ringBuffer.size(), Q_INT64_C(5 + 2047)); ringBuffer.chop(48); ringBuffer.chop(2000); - QCOMPARE(ringBuffer.size(), 4); + QCOMPARE(ringBuffer.size(), Q_INT64_C(4)); QVERIFY(memcmp(ringBuffer.readPointer(), "0123", 4) == 0); } @@ -244,11 +268,11 @@ void tst_QRingBuffer::ungetChar() for (int i = 1; i < 31; ++i) { int c = ringBuffer.getChar(); - QVERIFY(c == 1); + QCOMPARE(c, 1); ringBuffer.getChar(); ringBuffer.ungetChar(char(c)); // unget first char } - QCOMPARE(ringBuffer.size(), 1); + QCOMPARE(ringBuffer.size(), Q_INT64_C(1)); } void tst_QRingBuffer::indexOf() @@ -258,10 +282,10 @@ void tst_QRingBuffer::indexOf() ringBuffer.putChar(char(i)); for (int i = 1; i < 256; ++i) { - int index = ringBuffer.indexOf(char(i)); - QCOMPARE(i - 1, index); - QCOMPARE(index, ringBuffer.indexOf(char(i), i)); - QVERIFY(ringBuffer.indexOf(char(i), i - 1) == -1); // test for absent char + qint64 index = ringBuffer.indexOf(char(i)); + QCOMPARE(index, qint64(i - 1)); + QCOMPARE(ringBuffer.indexOf(char(i), i), index); + QCOMPARE(ringBuffer.indexOf(char(i), i - 1), -1); // test for absent char } } @@ -275,9 +299,34 @@ void tst_QRingBuffer::appendAndRead() ringBuffer.append(ba2); ringBuffer.append(ba3); - QVERIFY(ringBuffer.read() == ba1); - QVERIFY(ringBuffer.read() == ba2); - QVERIFY(ringBuffer.read() == ba3); + QCOMPARE(ringBuffer.read(), ba1); + QCOMPARE(ringBuffer.read(), ba2); + QCOMPARE(ringBuffer.read(), ba3); +} + +void tst_QRingBuffer::peek() +{ + QRingBuffer ringBuffer; + QByteArray testBuffer; + // fill buffer with an arithmetic progression + for (int i = 1; i < 256; ++i) { + char *ringPos = ringBuffer.reserve(i); + QVERIFY(ringPos); + memset(ringPos, i, i); + testBuffer.append(ringPos, i); + } + + // check stored data + QByteArray resultBuffer; + int peekPosition = testBuffer.size(); + for (int i = 1; i < 256; ++i) { + QByteArray ba(i, 0); + peekPosition -= i; + qint64 thisPeek = ringBuffer.peek(ba.data(), i, peekPosition); + QCOMPARE(thisPeek, qint64(i)); + resultBuffer.prepend(ba); + } + QCOMPARE(resultBuffer, testBuffer); } void tst_QRingBuffer::readLine() @@ -293,18 +342,18 @@ void tst_QRingBuffer::readLine() char stringBuf[102]; stringBuf[101] = 0; // non-crash terminator - QVERIFY(ringBuffer.readLine(stringBuf, sizeof(stringBuf) - 2) == ba1.size()); - QVERIFY(QByteArray(stringBuf, int(strlen(stringBuf))) == ba1); + QCOMPARE(ringBuffer.readLine(stringBuf, sizeof(stringBuf) - 2), qint64(ba1.size())); + QCOMPARE(QByteArray(stringBuf, int(strlen(stringBuf))), ba1); // check first empty string reading stringBuf[0] = char(0xFF); - QCOMPARE(ringBuffer.readLine(stringBuf, int(sizeof(stringBuf)) - 2), ba2.size()); - QVERIFY(stringBuf[0] == ba2[0]); + QCOMPARE(ringBuffer.readLine(stringBuf, int(sizeof(stringBuf)) - 2), qint64(ba2.size())); + QCOMPARE(stringBuf[0], ba2.at(0)); - QVERIFY(ringBuffer.readLine(stringBuf, int(sizeof(stringBuf)) - 2) == (ba3.size() + ba4.size() - + ba2.size())); - QVERIFY(QByteArray(stringBuf, int(strlen(stringBuf))) == (ba3 + ba4 + ba2)); - QVERIFY(ringBuffer.size() == 0); + QCOMPARE(ringBuffer.readLine(stringBuf, int(sizeof(stringBuf)) - 2), + qint64(ba3.size() + ba4.size() + ba2.size())); + QCOMPARE(QByteArray(stringBuf, int(strlen(stringBuf))), ba3 + ba4 + ba2); + QCOMPARE(ringBuffer.size(), Q_INT64_C(0)); } QTEST_APPLESS_MAIN(tst_QRingBuffer) |