QKeySequenceEdit: simplify clear()

As the test case shows, clear() is semantically equivalent to
setKeySequence(QKeySequence()), so implement it that way.

Change-Id: Id68edbbf85aac3bcff82c81310c38274ed8e6708
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/auto/widgets/widgets/qkeysequenceedit/tst_qkeysequenceedit.cpp b/tests/auto/widgets/widgets/qkeysequenceedit/tst_qkeysequenceedit.cpp
index 8c010abfe6..1434d98e59 100644
--- a/tests/auto/widgets/widgets/qkeysequenceedit/tst_qkeysequenceedit.cpp
+++ b/tests/auto/widgets/widgets/qkeysequenceedit/tst_qkeysequenceedit.cpp
@@ -43,6 +43,8 @@
 #include <QtTest/QtTest>
 
 #include <QKeySequenceEdit>
+#include <QLineEdit>
+#include <QString>
 
 Q_DECLARE_METATYPE(Qt::Key)
 Q_DECLARE_METATYPE(Qt::KeyboardModifiers)
@@ -55,6 +57,7 @@ private slots:
     void testSetters();
     void testKeys_data();
     void testKeys();
+    void testLineEditContents();
 };
 
 void tst_QKeySequenceEdit::testSetters()
@@ -100,5 +103,26 @@ void tst_QKeySequenceEdit::testKeys()
     QTRY_COMPARE(spy.count(), 1);
 }
 
+void tst_QKeySequenceEdit::testLineEditContents()
+{
+    QKeySequenceEdit edit;
+    QLineEdit *le = edit.findChild<QLineEdit*>();
+    QVERIFY(le);
+
+    QCOMPARE(le->text(), QString());
+
+    edit.setKeySequence(QKeySequence::New);
+    QCOMPARE(edit.keySequence(), QKeySequence(QKeySequence::New));
+
+    edit.clear();
+    QCOMPARE(le->text(), QString());
+
+    edit.setKeySequence(QKeySequence::New);
+    QVERIFY(le->text() != QString());
+
+    edit.setKeySequence(QKeySequence());
+    QCOMPARE(le->text(), QString());
+}
+
 QTEST_MAIN(tst_QKeySequenceEdit)
 #include "tst_qkeysequenceedit.moc"