QTimeZone - Fix dateForLocalTime() to check validity of next transition

The private method dateForLocalTime() was not checking that transitions
were valid, resulting in infinite looping when a time zone didn't have
any future transitions.

Change-Id: I0e5d07063861778dd86056a80c36fdd9f9d36133
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp b/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
index cfb20f51e4..d7643ff55d 100644
--- a/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
+++ b/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
@@ -409,6 +409,10 @@ void tst_QTimeZone::stressTest()
             qDebug() << "Stress test calculating transistions for" << testZone.id();
             testZone.transitions(lowDate1, highDate1);
         }
+        testDate.setTimeZone(testZone);
+        testDate.isValid();
+        testDate.offsetFromUtc();
+        testDate.timeZoneAbbreviation();
     }
 }