QRect(F): add transposed()

I didn't add a transpose(), because r = r.transposed() is
perfectly capable of filling that role, and just as
efficient. Existing API mistakes are no excuse to create
more of them.

[ChangeLog][QtCore][QRect/QRectF] Added transposed().

Change-Id: Ic38721e9028496fc9b50f4d4cef2e7a60532eed8
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qrect/tst_qrect.cpp b/tests/auto/corelib/tools/qrect/tst_qrect.cpp
index e8b259168d..9b35cdec30 100644
--- a/tests/auto/corelib/tools/qrect/tst_qrect.cpp
+++ b/tests/auto/corelib/tools/qrect/tst_qrect.cpp
@@ -127,6 +127,9 @@ private slots:
     void translate_data();
     void translate();
 
+    void transposed_data();
+    void transposed();
+
     void moveTop();
     void moveBottom();
     void moveLeft();
@@ -3562,6 +3565,41 @@ void tst_QRect::translate()
 
 }
 
+void tst_QRect::transposed_data()
+{
+    QTest::addColumn<QRect>("r");
+
+    QTest::newRow("InvalidQRect") << getQRectCase(InvalidQRect);
+    QTest::newRow("SmallestQRect") << getQRectCase(SmallestQRect);
+    QTest::newRow("MiddleQRect") << getQRectCase(MiddleQRect);
+    QTest::newRow("LargestQRect") << getQRectCase(LargestQRect);
+    QTest::newRow("SmallestCoordQRect") << getQRectCase(SmallestCoordQRect);
+    QTest::newRow("LargestCoordQRect") << getQRectCase(LargestCoordQRect);
+    QTest::newRow("RandomQRect") << getQRectCase(RandomQRect);
+    QTest::newRow("NegativeSizeQRect") << getQRectCase(NegativeSizeQRect);
+    QTest::newRow("NegativePointQRect") << getQRectCase(NegativePointQRect);
+    QTest::newRow("NullQRect") << getQRectCase(NullQRect);
+    QTest::newRow("EmptyQRect") << getQRectCase(EmptyQRect);
+}
+
+void tst_QRect::transposed()
+{
+    QFETCH(QRect, r);
+
+    const QRect rt = r.transposed();
+    QCOMPARE(rt.height(), r.width());
+    QCOMPARE(rt.width(), r.height());
+    QCOMPARE(rt.topLeft(), r.topLeft());
+
+    const QRectF rf = r;
+
+    const QRectF rtf = rf.transposed();
+    QCOMPARE(rtf.height(), rf.width());
+    QCOMPARE(rtf.width(), rf.height());
+    QCOMPARE(rtf.topLeft(), rf.topLeft());
+
+    QCOMPARE(rtf, QRectF(rt));
+}
 
 void tst_QRect::moveTop()
 {