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Fix warnings in benchmarks from QFile::open being [[nodiscard]]

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Change-Id: I8a80af3614a92645be2d64d02ce81e9d263468c8
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
This commit is contained in:
Volker Hilsheimer 2025-01-30 09:48:42 +01:00
parent 823c2bfc13
commit 1c3ee86f18
7 changed files with 21 additions and 20 deletions
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2
tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
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@ -27,7 +27,7 @@ public slots:
for (uint i=0; i<10000; ++i) { for (uint i=0; i<10000; ++i) {
QFile file(testdir.absolutePath() + "/testfile_" + QString::number(i)); QFile file(testdir.absolutePath() + "/testfile_" + QString::number(i));
file.open(QIODevice::WriteOnly); QVERIFY2(file.open(QIODevice::WriteOnly), qPrintable(file.fileName()));
} }
} }
void cleanupTestCase() void cleanupTestCase()

16
tests/benchmarks/corelib/io/qfile/tst_bench_qfile.cpp
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@ -226,7 +226,7 @@ void tst_qfile::readBigFile()
switch (testType) { switch (testType) {
case QFileBenchmark: { case QFileBenchmark: {
QFile file(tempDir.filename); QFile file(tempDir.filename);
file.open(QIODevice::ReadOnly|textMode|bufferedMode); Q_UNUSED(file.open(QIODevice::ReadOnly|textMode|bufferedMode));
QBENCHMARK { QBENCHMARK {
while(!file.atEnd()) while(!file.atEnd())
file.read(blockSize); file.read(blockSize);
@ -238,7 +238,7 @@ void tst_qfile::readBigFile()
#ifdef QT_BUILD_INTERNAL #ifdef QT_BUILD_INTERNAL
case QFSFileEngineBenchmark: { case QFSFileEngineBenchmark: {
QFSFileEngine fse(tempDir.filename); QFSFileEngine fse(tempDir.filename);
fse.open(QIODevice::ReadOnly | textMode | bufferedMode, std::nullopt); Q_UNUSED(fse.open(QIODevice::ReadOnly | textMode | bufferedMode, std::nullopt));
QBENCHMARK { QBENCHMARK {
//qWarning() << fse.supportsExtension(QAbstractFileEngine::AtEndExtension); //qWarning() << fse.supportsExtension(QAbstractFileEngine::AtEndExtension);
while (fse.read(buffer, blockSize)) {} while (fse.read(buffer, blockSize)) {}
@ -313,7 +313,7 @@ void tst_qfile::seek()
switch (testType) { switch (testType) {
case QFileBenchmark: { case QFileBenchmark: {
QFile file(tempDir.filename); QFile file(tempDir.filename);
file.open(QIODevice::ReadOnly); Q_UNUSED(file.open(QIODevice::ReadOnly));
QBENCHMARK { QBENCHMARK {
i=(i+1)%sp_size; i=(i+1)%sp_size;
file.seek(seekpos[i]); file.seek(seekpos[i]);
@ -324,7 +324,7 @@ void tst_qfile::seek()
#ifdef QT_BUILD_INTERNAL #ifdef QT_BUILD_INTERNAL
case QFSFileEngineBenchmark: { case QFSFileEngineBenchmark: {
QFSFileEngine fse(tempDir.filename); QFSFileEngine fse(tempDir.filename);
fse.open(QIODevice::ReadOnly | QIODevice::Unbuffered, std::nullopt); Q_UNUSED(fse.open(QIODevice::ReadOnly | QIODevice::Unbuffered, std::nullopt));
QBENCHMARK { QBENCHMARK {
i=(i+1)%sp_size; i=(i+1)%sp_size;
fse.seek(seekpos[i]); fse.seek(seekpos[i]);
@ -392,7 +392,7 @@ void tst_qfile::open()
case QFileBenchmark: { case QFileBenchmark: {
QBENCHMARK { QBENCHMARK {
QFile file(tempDir.filename); QFile file(tempDir.filename);
file.open(QIODevice::ReadOnly); Q_UNUSED(file.open(QIODevice::ReadOnly));
file.close(); file.close();
} }
} }
@ -401,7 +401,7 @@ void tst_qfile::open()
case QFSFileEngineBenchmark: { case QFSFileEngineBenchmark: {
QBENCHMARK { QBENCHMARK {
QFSFileEngine fse(tempDir.filename); QFSFileEngine fse(tempDir.filename);
fse.open(QIODevice::ReadOnly | QIODevice::Unbuffered, std::nullopt); Q_UNUSED(fse.open(QIODevice::ReadOnly | QIODevice::Unbuffered, std::nullopt));
fse.close(); fse.close();
} }
} }
@ -503,7 +503,7 @@ void tst_qfile::readSmallFiles()
QList<QFile*> fileList; QList<QFile*> fileList;
for (const QString &file : files) { for (const QString &file : files) {
QFile *f = new QFile(tempDir.filePath(file)); QFile *f = new QFile(tempDir.filePath(file));
f->open(QIODevice::ReadOnly|textMode|bufferedMode); Q_UNUSED(f->open(QIODevice::ReadOnly|textMode|bufferedMode));
fileList.append(f); fileList.append(f);
} }
@ -525,7 +525,7 @@ void tst_qfile::readSmallFiles()
QList<QFSFileEngine*> fileList; QList<QFSFileEngine*> fileList;
for (const QString &file : files) { for (const QString &file : files) {
QFSFileEngine *fse = new QFSFileEngine(tempDir.filePath(file)); QFSFileEngine *fse = new QFSFileEngine(tempDir.filePath(file));
fse->open(QIODevice::ReadOnly | textMode | bufferedMode, std::nullopt); Q_UNUSED(fse->open(QIODevice::ReadOnly | textMode | bufferedMode, std::nullopt));
fileList.append(fse); fileList.append(fse);
} }

8
tests/benchmarks/corelib/io/qiodevice/tst_bench_qiodevice.cpp
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@ -41,7 +41,7 @@ void tst_QIODevice::read_old()
{ {
QFile file(name); QFile file(name);
file.open(QIODevice::WriteOnly); Q_UNUSED(file.open(QIODevice::WriteOnly));
file.seek(size); file.seek(size);
file.write("x", 1); file.write("x", 1);
file.close(); file.close();
@ -49,7 +49,7 @@ void tst_QIODevice::read_old()
QBENCHMARK { QBENCHMARK {
QFile file(name); QFile file(name);
file.open(QIODevice::ReadOnly); Q_UNUSED(file.open(QIODevice::ReadOnly));
QByteArray ba; QByteArray ba;
qint64 s = size - 1024; qint64 s = size - 1024;
file.seek(512); file.seek(512);
@ -70,7 +70,7 @@ void tst_QIODevice::peekAndRead()
{ {
QFile file(name); QFile file(name);
file.open(QIODevice::WriteOnly); Q_UNUSED(file.open(QIODevice::WriteOnly));
file.seek(size); file.seek(size);
file.write("x", 1); file.write("x", 1);
file.close(); file.close();
@ -78,7 +78,7 @@ void tst_QIODevice::peekAndRead()
QBENCHMARK { QBENCHMARK {
QFile file(name); QFile file(name);
file.open(QIODevice::ReadOnly); Q_UNUSED(file.open(QIODevice::ReadOnly));
QByteArray ba(size / 1024, Qt::Uninitialized); QByteArray ba(size / 1024, Qt::Uninitialized);
while (!file.atEnd()) { while (!file.atEnd()) {

4
tests/benchmarks/corelib/io/qtemporaryfile/tst_bench_qtemporaryfile.cpp
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@ -34,7 +34,7 @@ void tst_QTemporaryFile::openclose()
QBENCHMARK { QBENCHMARK {
for (qint64 i = 0; i < amount; ++i) { for (qint64 i = 0; i < amount; ++i) {
QTemporaryFile file; QTemporaryFile file;
file.open(); Q_UNUSED(file.open());
file.close(); file.close();
} }
} }
@ -50,7 +50,7 @@ void tst_QTemporaryFile::readwrite()
QBENCHMARK { QBENCHMARK {
for (qint64 i = 0; i < amount; ++i) { for (qint64 i = 0; i < amount; ++i) {
QTemporaryFile file; QTemporaryFile file;
file.open(); Q_UNUSED(file.open());
file.write(data); file.write(data);
file.seek(0); file.seek(0);
file.read(dataSize); file.read(dataSize);

6
tests/benchmarks/corelib/json/tst_bench_qtjson.cpp
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@ -56,7 +56,7 @@ void BenchmarkQtJson::parseNumbers()
QString testFile = QFINDTESTDATA("numbers.json"); QString testFile = QFINDTESTDATA("numbers.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!"); QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!");
QFile file(testFile); QFile file(testFile);
file.open(QFile::ReadOnly); QVERIFY2(file.open(QFile::ReadOnly), "cannot open test file number.json!");
QByteArray testJson = file.readAll(); QByteArray testJson = file.readAll();
QBENCHMARK { QBENCHMARK {
@ -70,7 +70,7 @@ void BenchmarkQtJson::parseJson()
QString testFile = QFINDTESTDATA("test.json"); QString testFile = QFINDTESTDATA("test.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!"); QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
QFile file(testFile); QFile file(testFile);
file.open(QFile::ReadOnly); QVERIFY2(file.open(QFile::ReadOnly), "cannot open test file test.json!");
QByteArray testJson = file.readAll(); QByteArray testJson = file.readAll();
QBENCHMARK { QBENCHMARK {
@ -84,7 +84,7 @@ void BenchmarkQtJson::parseJsonToVariant()
QString testFile = QFINDTESTDATA("test.json"); QString testFile = QFINDTESTDATA("test.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!"); QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
QFile file(testFile); QFile file(testFile);
file.open(QFile::ReadOnly); QVERIFY2(file.open(QFile::ReadOnly), "cannot open test file test.json!");
QByteArray testJson = file.readAll(); QByteArray testJson = file.readAll();
QBENCHMARK { QBENCHMARK {

3
tests/benchmarks/gui/painting/lancebench/tst_lancebench.cpp
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@ -83,7 +83,8 @@ void tst_LanceBench::initTestCase()
std::sort(qpsFiles.begin(), qpsFiles.end()); std::sort(qpsFiles.begin(), qpsFiles.end());
for (const QString& fileName : std::as_const(qpsFiles)) { for (const QString& fileName : std::as_const(qpsFiles)) {
QFile file(scriptsDir + fileName); QFile file(scriptsDir + fileName);
file.open(QFile::ReadOnly); QVERIFY2(file.open(QFile::ReadOnly),
qPrintable(QString::fromLatin1("Failed to open %1").arg(fileName)));
QByteArray cont = file.readAll(); QByteArray cont = file.readAll();
scripts.insert(fileName, QString::fromUtf8(cont).split(QLatin1Char('\n'), Qt::SkipEmptyParts)); scripts.insert(fileName, QString::fromUtf8(cont).split(QLatin1Char('\n'), Qt::SkipEmptyParts));
} }

2
tests/benchmarks/network/access/qfile_vs_qnetworkaccessmanager/main.cpp
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@ -37,7 +37,7 @@ public:
void qfile_vs_qnetworkaccessmanager::initTestCase() void qfile_vs_qnetworkaccessmanager::initTestCase()
{ {
testFile.open(); QVERIFY2(testFile.open(), "Cannot open temporary file");
QByteArray qba(1*1024*1024, 'x'); // 1 MB QByteArray qba(1*1024*1024, 'x'); // 1 MB
for (int i = 0; i < 100; i++) { for (int i = 0; i < 100; i++) {
testFile.write(qba); testFile.write(qba);