From ffc71a977f4bef2872c5c93ddd4db7ebaee8e356 Mon Sep 17 00:00:00 2001
From: Samuel Gaist <samuel.gaist@idiap.ch>
Date: Mon, 27 Aug 2018 00:16:58 +0200
Subject: [PATCH] QBenchmarkValgrindUtils: port to QRegularExpression

This patch updates the code from the deprecated QRegExp class to
QRegularExpression.

Task-number: QTBUG-25485
Change-Id: I946790f50c6b14787bca31771de5e3a0d5fefe4c
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/testlib/qbenchmarkvalgrind.cpp | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/testlib/qbenchmarkvalgrind.cpp b/src/testlib/qbenchmarkvalgrind.cpp
index 1de149258d..7d24eb8293 100644
--- a/src/testlib/qbenchmarkvalgrind.cpp
+++ b/src/testlib/qbenchmarkvalgrind.cpp
@@ -46,6 +46,7 @@
 #include <QtCore/qcoreapplication.h>
 #include <QtCore/qprocess.h>
 #include <QtCore/qdir.h>
+#include <QtCore/qregularexpression.h>
 #include <QtCore/qset.h>
 #include <QtTest/private/callgrind_p.h>
 
@@ -90,13 +91,13 @@ qint64 QBenchmarkValgrindUtils::extractResult(const QString &fileName)
 
     qint64 val = -1;
     bool valSeen = false;
-    QRegExp rxValue(QLatin1String("^summary: (\\d+)"));
+    QRegularExpression rxValue(QLatin1String("^summary: (\\d+)"));
     while (!file.atEnd()) {
         const QString line(QLatin1String(file.readLine()));
-        if (rxValue.indexIn(line) != -1) {
-            Q_ASSERT(rxValue.captureCount() == 1);
+        QRegularExpressionMatch match = rxValue.match(line);
+        if (match.hasMatch()) {
             bool ok;
-            val = rxValue.cap(1).toLongLong(&ok);
+            val = match.captured(1).toLongLong(&ok);
             Q_ASSERT(ok);
             valSeen = true;
             break;
@@ -120,13 +121,12 @@ QString QBenchmarkValgrindUtils::getNewestFileName()
     int hiSuffix = -1;
     QFileInfo lastFileInfo;
     const QString pattern = QString::fromLatin1("%1.(\\d+)").arg(base);
-    QRegExp rx(pattern);
+    QRegularExpression rx(pattern);
     for (const QFileInfo &fileInfo : fiList) {
-        const int index = rx.indexIn(fileInfo.fileName());
-        Q_ASSERT(index == 0);
-        Q_UNUSED(index);
+        QRegularExpressionMatch match = rx.match(fileInfo.fileName());
+        Q_ASSERT(match.hasMatch());
         bool ok;
-        const int suffix = rx.cap(1).toInt(&ok);
+        const int suffix = match.captured(1).toInt(&ok);
         Q_ASSERT(ok);
         Q_ASSERT(suffix >= 0);
         if (suffix > hiSuffix) {