qt 6.5.1 original

examples/qtestlib/tutorial5/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(tutorial5 LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/qtestlib/tutorial5")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Test Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(tutorial5
+    benchmarking.cpp
+)
+
+set_target_properties(tutorial5 PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(tutorial5 PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Test
+    Qt6::Widgets
+)
+
+install(TARGETS tutorial5
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/qtestlib/tutorial5/benchmarking.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QtWidgets>
+#include <qtest.h>
+
+class TestBenchmark : public QObject
+{
+    Q_OBJECT
+private slots:
+    void simple();
+    void multiple_data();
+    void multiple();
+    void series_data();
+    void series();
+};
+
+//! [0]
+void TestBenchmark::simple()
+{
+    QString str1 = QLatin1String("This is a test string");
+    QString str2 = QLatin1String("This is a test string");
+
+    QCOMPARE(str1.localeAwareCompare(str2), 0);
+
+    QBENCHMARK {
+        str1.localeAwareCompare(str2);
+    }
+}
+//! [0]
+
+//! [1]
+void TestBenchmark::multiple_data()
+{
+    QTest::addColumn<bool>("useLocaleCompare");
+    QTest::newRow("locale-aware-compare") << true;
+    QTest::newRow("standard-compare") << false;
+}
+//! [1]
+
+//! [2]
+void TestBenchmark::multiple()
+{
+    QFETCH(bool, useLocaleCompare);
+    QString str1 = QLatin1String("This is a test string");
+    QString str2 = QLatin1String("This is a test string");
+
+    int result;
+    if (useLocaleCompare) {
+        QBENCHMARK {
+            result = str1.localeAwareCompare(str2);
+        }
+    } else {
+        QBENCHMARK {
+            result = (str1 == str2);
+        }
+    }
+    Q_UNUSED(result);
+}
+//! [2]
+
+//! [3]
+void TestBenchmark::series_data()
+{
+    QTest::addColumn<bool>("useLocaleCompare");
+    QTest::addColumn<int>("stringSize");
+
+    for (int i = 1; i < 10000; i += 2000) {
+        QTest::addRow("locale-aware-compare:%d", i) << true << i;
+        QTest::addRow("standard-compare:%d", i) << false << i;
+    }
+}
+//! [4]
+
+//! [5]
+void TestBenchmark::series()
+{
+    QFETCH(bool, useLocaleCompare);
+    QFETCH(int, stringSize);
+
+    QString str1 = QString().fill('A', stringSize);
+    QString str2 = QString().fill('A', stringSize);
+    int result;
+    if (useLocaleCompare) {
+        QBENCHMARK {
+            result = str1.localeAwareCompare(str2);
+        }
+    } else {
+        QBENCHMARK {
+            result = (str1 == str2);
+        }
+    }
+    Q_UNUSED(result);
+}
+//! [5]
+
+QTEST_MAIN(TestBenchmark)
+#include "benchmarking.moc"

examples/qtestlib/tutorial5/tutorial5.pro

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+QT += widgets testlib
+
+SOURCES = benchmarking.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtestlib/tutorial5
+INSTALLS += target