qt 6.5.1 original

tests/benchmarks/network/access/qdecompresshelper/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## qdecompresshelper Binary:
+#####################################################################
+
+qt_internal_add_benchmark(qdecompresshelper
+    SOURCES
+        main.cpp
+    DEFINES
+        SRC_DIR=${CMAKE_CURRENT_SOURCE_DIR}
+    LIBRARIES
+        Qt::NetworkPrivate
+        Qt::Test
+)

tests/benchmarks/network/access/qdecompresshelper/main.cpp

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+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QtNetwork/private/qdecompresshelper_p.h>
+
+#include <QtTest/QTest>
+
+class tst_QDecompressHelper : public QObject
+{
+    Q_OBJECT
+private slots:
+    void decompress_data();
+    void decompress();
+};
+
+void tst_QDecompressHelper::decompress_data()
+{
+    QTest::addColumn<QByteArray>("encoding");
+    QTest::addColumn<QString>("fileName");
+
+    QString srcDir = QStringLiteral(QT_STRINGIFY(SRC_DIR));
+    srcDir = QDir::fromNativeSeparators(srcDir);
+    if (!srcDir.endsWith("/"))
+        srcDir += "/";
+
+    bool dataAdded = false;
+#ifndef QT_NO_COMPRESS
+    QTest::addRow("gzip") << QByteArray("gzip") << srcDir + QString("50mb.txt.gz");
+    dataAdded = true;
+#endif
+#if QT_CONFIG(brotli)
+    QTest::addRow("brotli") << QByteArray("br") << srcDir + QString("50mb.txt.br");
+    dataAdded = true;
+#endif
+#if QT_CONFIG(zstd)
+    QTest::addRow("zstandard") << QByteArray("zstd") << srcDir + QString("50mb.txt.zst");
+    dataAdded = true;
+#endif
+    if (!dataAdded)
+        QSKIP("There's no decompression support");
+}
+
+void tst_QDecompressHelper::decompress()
+{
+    QFETCH(QByteArray, encoding);
+    QFETCH(QString, fileName);
+
+    QFile file { fileName };
+    QVERIFY(file.open(QIODevice::ReadOnly));
+    QBENCHMARK {
+        file.seek(0);
+        QDecompressHelper helper;
+        helper.setEncoding(encoding);
+        QVERIFY(helper.isValid());
+
+        helper.feed(file.readAll());
+
+        qsizetype bytes = 0;
+        while (helper.hasData()) {
+            QByteArray out(64 * 1024, Qt::Uninitialized);
+            qsizetype bytesRead = helper.read(out.data(), out.size());
+            bytes += bytesRead;
+        }
+
+        QCOMPARE(bytes, 50 * 1024 * 1024);
+    }
+}
+
+QTEST_MAIN(tst_QDecompressHelper)
+
+#include "main.moc"