QString: add resize(int, QChar)

This will be used in QTextStream to speed up padding processing.

[ChangeLog][QtCore][QString] Added resize(int, QChar) overload.

Change-Id: Id51f8cdacb167310157100b05cacf20e9a5d2716
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
index f8a4d8a00a..3d5167d574 100644
--- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp
+++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
@@ -556,6 +556,7 @@ private slots:
     void nanAndInf();
     void compare_data();
     void compare();
+    void resize();
     void resizeAfterFromRawData();
     void resizeAfterReserve();
     void resizeWithNegative() const;
@@ -6013,6 +6014,22 @@ void tst_QString::compare()
     }
 }
 
+void tst_QString::resize()
+{
+    QString s = QLatin1String("hello world");
+
+    s.resize(5);
+    QCOMPARE(s, QLatin1String("hello"));
+    s.resize(8);
+    QCOMPARE(s.size(), 8);
+    QVERIFY(s.startsWith(QLatin1String("hello")));
+
+    s.resize(10, QLatin1Char('n'));
+    QCOMPARE(s.size(), 10);
+    QVERIFY(s.startsWith(QLatin1String("hello")));
+    QCOMPARE(s.right(2), QLatin1String("nn"));
+}
+
 void tst_QString::resizeAfterFromRawData()
 {
     QString buffer("hello world");