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Diffstat (limited to 'tests/benchmarks/corelib/io/qdir/tree/tst_bench_qdir_tree.cpp')
| -rw-r--r-- | tests/benchmarks/corelib/io/qdir/tree/tst_bench_qdir_tree.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/io/qdir/tree/tst_bench_qdir_tree.cpp b/tests/benchmarks/corelib/io/qdir/tree/tst_bench_qdir_tree.cpp new file mode 100644 index 0000000000..4f122c876c --- /dev/null +++ b/tests/benchmarks/corelib/io/qdir/tree/tst_bench_qdir_tree.cpp @@ -0,0 +1,201 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only + +#include <QtTest/QTest> + +#include <QDirIterator> +#include <QFile> +#include <QString> +#include <QStack> + +#include "../../../../../shared/filesystem.h" + +class tst_QDir_tree + : public QObject +{ + Q_OBJECT + +public: + tst_QDir_tree() + : prefix("test-tree/"), + musicprefix(QLatin1String("music")), + photoprefix(QLatin1String("photos")), + sourceprefix(QLatin1String("source")), + musicsize(0), + photosize(0), + sourcesize(0) + { + } + +private: + QByteArray prefix; + QString musicprefix; + QString photoprefix; + QString sourceprefix; + qint64 musicsize; + qint64 photosize; + qint64 sourcesize; + FileSystem fs; // Uses QTemporaryDir to tidy away file tree created. + +private slots: + void initTestCase() + { + QFile list(":/4.6.0-list.txt"); + QVERIFY(list.open(QIODevice::ReadOnly | QIODevice::Text)); + + QVERIFY(fs.createDirectory(prefix)); + + QStack<QByteArray> stack; + QByteArray line; + while (true) { + char ch; + if (!list.getChar(&ch)) + break; + if (ch != ' ') { + line.append(ch); + continue; + } + + int pop = 1; + if (!line.isEmpty()) + pop = line.toInt(); + + while (pop) { + stack.pop(); + --pop; + } + + line = list.readLine().trimmed(); + stack.push(line); + + line = prefix; + for (const QByteArray &pathElement : std::as_const(stack)) + line += pathElement; + + if (line.endsWith('/')) + QVERIFY(fs.createDirectory(line)); + else + QVERIFY(fs.createFile(line)); + + line.clear(); + } + + //Use case: music collection - 10 files in 100 directories (albums) + QVERIFY(fs.createDirectory(musicprefix)); + for (int i=0;i<1000;i++) { + if ((i % 10) == 0) + QVERIFY(fs.createDirectory(QString("%1/directory%2").arg(musicprefix).arg(i/10))); + qint64 size = fs.createFileWithContent(QString("%1/directory%2/file%3").arg(musicprefix).arg(i/10).arg(i)); + QVERIFY(size > 0); + musicsize += size; + } + //Use case: photos - 1000 files in 1 directory + QVERIFY(fs.createDirectory(photoprefix)); + for (int i=0;i<1000;i++) { + qint64 size = fs.createFileWithContent(QString("%1/file%2").arg(photoprefix).arg(i)); + QVERIFY(size > 0); + photosize += size; + } + //Use case: source - 10 files in 10 subdirectories in 10 directories (1000 total) + QVERIFY(fs.createDirectory(sourceprefix)); + for (int i=0;i<1000;i++) { + if ((i % 100) == 0) + QVERIFY(fs.createDirectory(QString("%1/directory%2").arg(sourceprefix).arg(i/100))); + if ((i % 10) == 0) + QVERIFY(fs.createDirectory(QString("%1/directory%2/subdirectory%3").arg(sourceprefix).arg(i/100).arg(i/10))); + qint64 size = fs.createFileWithContent(QString("%1/directory%2/subdirectory%3/file%4").arg(sourceprefix).arg(i/100).arg(i/10).arg(i)); + QVERIFY(size > 0); + sourcesize += size; + } + } + + void fileSearch_data() const + { + QTest::addColumn<QStringList>("nameFilters"); + QTest::addColumn<int>("filter"); + QTest::addColumn<int>("entryCount"); + + QTest::newRow("*.cpp") << QStringList("*.cpp") << int(QDir::Files) << 3791; + QTest::newRow("executables") + << QStringList("*") + << int(QDir::Executable | QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot) + << 536; + } + + void fileSearch() const + { + QFETCH(QStringList, nameFilters); + QFETCH(int, filter); + QFETCH(int, entryCount); + + int count = 0; + QBENCHMARK { + // Recursive directory iteration + QDirIterator iterator(fs.absoluteFilePath(prefix), + nameFilters, QDir::Filter(filter), + QDirIterator::Subdirectories | QDirIterator::FollowSymlinks); + + count = 0; + while (iterator.hasNext()) { + iterator.next(); + ++count; + } + + QCOMPARE(count, entryCount); + } + + QCOMPARE(count, entryCount); + } + + void traverseDirectory() const + { + int count = 0; + QBENCHMARK { + QDirIterator iterator( + fs.absoluteFilePath(prefix), + QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System, + QDirIterator::Subdirectories | QDirIterator::FollowSymlinks); + + count = 0; + while (iterator.hasNext()) { + iterator.next(); + ++count; + } + + QCOMPARE(count, 11906); + } + + QCOMPARE(count, 11906); + } + + void thousandFiles_data() const + { + QTest::addColumn<QString>("dirName"); + QTest::addColumn<qint64>("expectedSize"); + QTest::newRow("music") << musicprefix << musicsize; + QTest::newRow("photos") << photoprefix << photosize; + QTest::newRow("src") << sourceprefix << sourcesize; + } + + void thousandFiles() const + { + QFETCH(QString, dirName); + QFETCH(qint64, expectedSize); + QBENCHMARK { + qint64 totalsize = 0; + int count = 0; + QDirIterator iter(fs.absoluteFilePath(dirName), + QDir::Files, QDirIterator::Subdirectories); + while(iter.hasNext()) { + count++; + totalsize += iter.nextFileInfo().size(); + } + QCOMPARE(count, 1000); + QCOMPARE(totalsize, expectedSize); + } + } +}; + +QTEST_MAIN(tst_QDir_tree) + +#include "tst_bench_qdir_tree.moc" |