tst_QSqlRecord: replace manual memory management with unique_ptr

Also replace the C array with a std::array and (some) indexed loops
with ranged-for loops. Most loops need the index in one way of
another, so can't easily be converted to ranged.

Change-Id: I7fa05f22de9df6c68ec5797c9583476a3881532c
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
(cherry picked from commit 70e070ecbd4d334598aed140a3825887733c3c59)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 20 insertions, 49 deletions

diff --git a/tests/auto/sql/kernel/qsqlrecord/tst_qsqlrecord.cpp b/tests/auto/sql/kernel/qsqlrecord/tst_qsqlrecord.cpp
index ac71e0edc2..4a167f8a1c 100644
--- a/tests/auto/sql/kernel/qsqlrecord/tst_qsqlrecord.cpp
+++ b/tests/auto/sql/kernel/qsqlrecord/tst_qsqlrecord.cpp
@@ -39,12 +39,7 @@
 
 class tst_QSqlRecord : public QObject
 {
-Q_OBJECT
-
-public:
-    tst_QSqlRecord();
-    virtual ~tst_QSqlRecord();
-
+    Q_OBJECT
 
 public slots:
     void init();
@@ -72,26 +67,11 @@ private slots:
     void append();
 
 private:
-    QSqlRecord* rec;
-    QSqlField* fields[ NUM_FIELDS ];
+    std::unique_ptr<QSqlRecord> rec;
+    std::array<std::unique_ptr<QSqlField>, NUM_FIELDS> fields;
     void createTestRecord();
 };
 
-tst_QSqlRecord::tst_QSqlRecord()
-{
-    rec = 0;
-    for ( int i = 0; i < NUM_FIELDS; ++i )
-        fields[ i ] = 0;
-}
-
-tst_QSqlRecord::~tst_QSqlRecord()
-{
-    delete rec;
-    for ( int i = 0; i < NUM_FIELDS; ++i )
-        delete fields[ i ];
-    rec = 0;
-}
-
 void tst_QSqlRecord::init()
 {
     cleanup();
@@ -99,31 +79,26 @@ void tst_QSqlRecord::init()
 
 void tst_QSqlRecord::cleanup()
 {
-    delete rec;
-    for ( int i = 0; i < NUM_FIELDS; ++i ) {
-        delete fields[ i ];
-        fields[ i ] = 0;
-    }
-    rec = 0;
+    rec = nullptr;
+    for (auto &field : fields)
+        field = nullptr;
 }
 
 void tst_QSqlRecord::createTestRecord()
 {
-    delete rec;
-    rec = new QSqlRecord();
-    fields[0] = new QSqlField(QStringLiteral("string"), QMetaType(QMetaType::QString), QStringLiteral("stringtable"));
-    fields[1] = new QSqlField(QStringLiteral("int"), QMetaType(QMetaType::Int), QStringLiteral("inttable"));
-    fields[2] = new QSqlField(QStringLiteral("double"), QMetaType(QMetaType::Double), QStringLiteral("doubletable"));
-    fields[3] = new QSqlField(QStringLiteral("bool"), QMetaType(QMetaType::Bool));
-    for ( int i = 0; i < NUM_FIELDS; ++i )
-        rec->append( *(fields[ i ] ) );
+    rec = std::make_unique<QSqlRecord>();
+    fields[0] = std::make_unique<QSqlField>(QStringLiteral("string"), QMetaType(QMetaType::QString), QStringLiteral("stringtable"));
+    fields[1] = std::make_unique<QSqlField>(QStringLiteral("int"), QMetaType(QMetaType::Int), QStringLiteral("inttable"));
+    fields[2] = std::make_unique<QSqlField>(QStringLiteral("double"), QMetaType(QMetaType::Double), QStringLiteral("doubletable"));
+    fields[3] = std::make_unique<QSqlField>(QStringLiteral("bool"), QMetaType(QMetaType::Bool));
+    for (const auto &field : fields)
+        rec->append(*field);
 }
 
 
 void tst_QSqlRecord::append()
 {
-    delete rec;
-    rec = new QSqlRecord();
+    rec = std::make_unique<QSqlRecord>();
     rec->append(QSqlField("string", QMetaType(QMetaType::QString), QStringLiteral("stringtable")));
     QCOMPARE( rec->field( 0 ).name(), (QString) "string" );
     QCOMPARE(rec->field(0).tableName(), QStringLiteral("stringtable"));
@@ -182,10 +157,7 @@ void tst_QSqlRecord::clearValues()
     QFETCH( double, dval );
     QFETCH( int, bval );
 
-    if(rec)
-        delete rec;
-
-    rec = new QSqlRecord();
+    rec = std::make_unique<QSqlRecord>();
     rec->append( QSqlField( "string", QMetaType(QMetaType::QString) ) );
     QCOMPARE( rec->field(0).name(), (QString) "string" );
     QVERIFY( !rec->isEmpty() );
@@ -225,8 +197,8 @@ void tst_QSqlRecord::clearValues()
 void tst_QSqlRecord::contains()
 {
     createTestRecord();
-    for ( int i = 0; i < NUM_FIELDS; ++i )
-        QVERIFY( rec->contains( fields[ i ]->name() ) );
+    for (const auto &field : fields)
+        QVERIFY(rec->contains(field->name()));
     QVERIFY( !rec->contains( "__Harry__" ) );
 }
 
@@ -258,8 +230,8 @@ void tst_QSqlRecord::fieldName()
 {
     createTestRecord();
 
-    for ( int i = 0; i < NUM_FIELDS; ++i )
-        QVERIFY( rec->field( (fields[ i ] )->name() ) == *( fields[ i ] ) );
+    for (const auto &field : fields)
+        QVERIFY(rec->field(field->name()) == *field);
     QVERIFY( rec->fieldName( NUM_FIELDS ).isNull() );
 }
 
@@ -437,8 +409,7 @@ void tst_QSqlRecord::setValue()
 {
     int i;
 
-    delete rec;
-    rec = new QSqlRecord();
+    rec = std::make_unique<QSqlRecord>();
     rec->append( QSqlField( "string", QMetaType(QMetaType::QString) ) );
     QCOMPARE( rec->field( 0 ).name(), (QString) "string" );
     QVERIFY( !rec->isEmpty() );