4 files changed, 13 insertions, 13 deletions
diff --git a/src/testlib/qbenchmark_p.h b/src/testlib/qbenchmark_p.h
index 8bb6e84..b6340f8 100644
--- a/src/testlib/qbenchmark_p.h
+++ b/src/testlib/qbenchmark_p.h
@@ -81,7 +81,7 @@ struct QBenchmarkContext
 
     QString toString() const
     {
-        QString s = QString(QLatin1String("%1,%2,%3")).arg(slotName).arg(tag).arg(checkpointIndex);
+        QString s = QString::fromLatin1("%1,%2,%3").arg(slotName).arg(tag).arg(checkpointIndex);
         return s;
     }
 
diff --git a/src/testlib/qbenchmarkvalgrind.cpp b/src/testlib/qbenchmarkvalgrind.cpp
index bcce147..c61460d 100644
--- a/src/testlib/qbenchmarkvalgrind.cpp
+++ b/src/testlib/qbenchmarkvalgrind.cpp
@@ -133,12 +133,12 @@ QString QBenchmarkValgrindUtils::getNewestFileName()
     QString base = QBenchmarkGlobalData::current->callgrindOutFileBase;
     Q_ASSERT(!base.isEmpty());
 
-    nameFilters << QString(QLatin1String("%1.*")).arg(base);
+    nameFilters << QString::fromLatin1("%1.*").arg(base);
     QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable);
     Q_ASSERT(!fiList.empty());
     int hiSuffix = -1;
     QFileInfo lastFileInfo;
-    const QString pattern = QString(QLatin1String("%1.(\\d+)")).arg(base);
+    const QString pattern = QString::fromLatin1("%1.(\\d+)").arg(base);
     const QRegExp rx(pattern);
     foreach (QFileInfo fileInfo, fiList) {
         const int index = rx.indexIn(fileInfo.fileName());
@@ -168,8 +168,8 @@ void QBenchmarkValgrindUtils::cleanup()
     QString base = QBenchmarkGlobalData::current->callgrindOutFileBase;
     Q_ASSERT(!base.isEmpty());
     nameFilters
-        << QString(QLatin1String("%1")).arg(base) // overall summary
-        << QString(QLatin1String("%1.*")).arg(base); // individual dumps
+        << base // overall summary
+        << QString::fromLatin1("%1.*").arg(base); // individual dumps
     QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable);
     foreach (QFileInfo fileInfo, fiList) {
         const bool removeOk = QFile::remove(fileInfo.fileName());
@@ -180,7 +180,7 @@ void QBenchmarkValgrindUtils::cleanup()
 
 QString QBenchmarkValgrindUtils::outFileBase(qint64 pid)
 {
-    return QString(QLatin1String("callgrind.out.%1")).arg(
+    return QString::fromLatin1("callgrind.out.%1").arg(
         pid != -1 ? pid : QCoreApplication::applicationPid());
 }
 
diff --git a/src/testlib/qplaintestlogger.cpp b/src/testlib/qplaintestlogger.cpp
index 6f10d72..8ffdca2 100644
--- a/src/testlib/qplaintestlogger.cpp
+++ b/src/testlib/qplaintestlogger.cpp
@@ -216,9 +216,9 @@ namespace QTest {
     template <typename T> QString formatResult(T number, int significantDigits)
     {
         if (number < T(0))
-            return QString(QLatin1String("NAN"));
+            return QLatin1String("NAN");
         if (number == T(0))
-            return QString(QLatin1String("0"));
+            return QLatin1String("0");
 
         QString beforeDecimalPoint = QString::number(qint64(number), 'f', 0);
         QString afterDecimalPoint = QString::number(number, 'f', 20);
diff --git a/src/testlib/qsignaldumper.cpp b/src/testlib/qsignaldumper.cpp
index 0a32a6d..3a9d75e 100644
--- a/src/testlib/qsignaldumper.cpp
+++ b/src/testlib/qsignaldumper.cpp
@@ -87,7 +87,7 @@ static void qSignalDumperCallback(QObject *caller, int method_index, void **argv
     str.fill(' ', QTest::iLevel++ * QTest::IndentSpacesCount);
     str += "Signal: ";
     str += mo->className();
-    str += "(";
+    str += '(';
 
     QString objname = caller->objectName();
     str += objname.toLocal8Bit();
@@ -114,15 +114,15 @@ static void qSignalDumperCallback(QObject *caller, int method_index, void **argv
             str.append(QByteArray::number(addr, 16));
         } else if (typeId != QMetaType::Void) {
             str.append(arg)
-                .append("(")
+                .append('(')
                 .append(QVariant(typeId, argv[i + 1]).toString().toLocal8Bit())
-                .append(")");
+                .append(')');
         }
         str.append(", ");
     }
     if (str.endsWith(", "))
         str.chop(2);
-    str.append(")");
+    str.append(')');
     qPrintMessage(str);
 }
 
@@ -143,7 +143,7 @@ static void qSignalDumperCallbackSlot(QObject *caller, int method_index, void **
     str.fill(' ', QTest::iLevel * QTest::IndentSpacesCount);
     str += "Slot: ";
     str += mo->className();
-    str += "(";
+    str += '(';
 
     QString objname = caller->objectName();
     str += objname.toLocal8Bit();