Add a changed() signal to QValidator.

This provides a general notification of changes that may change the
validity of previously validated input.

Change-Id: I5ec6f127af60fdca68605fee903a08758bc01360
Reviewed-by: Jonas Gastal <jgastal@profusion.mobi>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/auto/widgets/widgets/qintvalidator/tst_qintvalidator.cpp b/tests/auto/widgets/widgets/qintvalidator/tst_qintvalidator.cpp
index 1094f1a1b5..27ded409a5 100644
--- a/tests/auto/widgets/widgets/qintvalidator/tst_qintvalidator.cpp
+++ b/tests/auto/widgets/widgets/qintvalidator/tst_qintvalidator.cpp
@@ -231,33 +231,53 @@ void tst_QIntValidator::validate()
 
 void tst_QIntValidator::notifySignals()
 {
+    QLocale::setDefault(QLocale("C"));
+
     QIntValidator iv(0, 10, 0);
     QSignalSpy topSpy(&iv, SIGNAL(topChanged(int)));
     QSignalSpy bottomSpy(&iv, SIGNAL(bottomChanged(int)));
+    QSignalSpy changedSpy(&iv, SIGNAL(changed()));
+
     iv.setTop(9);
     QCOMPARE(topSpy.count(), 1);
+    QCOMPARE(changedSpy.count(), 1);
     QVERIFY(iv.top() == 9);
     iv.setBottom(1);
     QCOMPARE(bottomSpy.count(), 1);
+    QCOMPARE(changedSpy.count(), 2);
     QVERIFY(iv.bottom() == 1);
 
     iv.setRange(1, 8);
     QCOMPARE(topSpy.count(), 2);
     QCOMPARE(bottomSpy.count(), 1);
+    QCOMPARE(changedSpy.count(), 3);
     QVERIFY(iv.top() == 8);
     QVERIFY(iv.bottom() == 1);
 
     iv.setRange(2, 8);
     QCOMPARE(topSpy.count(), 2);
     QCOMPARE(bottomSpy.count(), 2);
+    QCOMPARE(changedSpy.count(), 4);
     QVERIFY(iv.top() == 8);
     QVERIFY(iv.bottom() == 2);
 
     iv.setRange(3, 7);
     QCOMPARE(topSpy.count(), 3);
     QCOMPARE(bottomSpy.count(), 3);
+    QCOMPARE(changedSpy.count(), 5);
     QVERIFY(iv.top() == 7);
     QVERIFY(iv.bottom() == 3);
+
+    iv.setRange(3, 7);
+    QCOMPARE(topSpy.count(), 3);
+    QCOMPARE(bottomSpy.count(), 3);
+    QCOMPARE(changedSpy.count(), 5);
+
+    iv.setLocale(QLocale("C"));
+    QCOMPARE(changedSpy.count(), 5);
+
+    iv.setLocale(QLocale("en"));
+    QCOMPARE(changedSpy.count(), 6);
 }
 
 QTEST_MAIN(tst_QIntValidator)