From 320c4e31e124f99601399d00935362b587c77510 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Tue, 25 Sep 2012 16:30:48 +0200
Subject: Make QContiguousCache with zero capacity not crash

These containers don't make sense and will just result in no action
being taken (all items added will simply be discarded), but it
shouldn't crash due to a division by zero.

Update the documentation to explain the fact.

Task-number: QTBUG-27339
Change-Id: Ib9acf5c0a9a826e6853e7beaf5e56511fde98dc6
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Ian Walters <ian@walters.id.au>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 .../tools/qcontiguouscache/tst_qcontiguouscache.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'tests/auto/corelib')

diff --git a/tests/auto/corelib/tools/qcontiguouscache/tst_qcontiguouscache.cpp b/tests/auto/corelib/tools/qcontiguouscache/tst_qcontiguouscache.cpp
index d6e8b87383..f813a687cd 100644
--- a/tests/auto/corelib/tools/qcontiguouscache/tst_qcontiguouscache.cpp
+++ b/tests/auto/corelib/tools/qcontiguouscache/tst_qcontiguouscache.cpp
@@ -67,6 +67,7 @@ private slots:
     void setCapacity();
 
     void zeroCapacity();
+    void modifyZeroCapacityCache();
 };
 
 QTEST_MAIN(tst_QContiguousCache)
@@ -365,4 +366,24 @@ void tst_QContiguousCache::zeroCapacity()
     QCOMPARE(contiguousCache.capacity(),0);
 }
 
+void tst_QContiguousCache::modifyZeroCapacityCache()
+{
+    {
+        QContiguousCache<int> contiguousCache;
+        contiguousCache.insert(0, 42);
+    }
+    {
+        QContiguousCache<int> contiguousCache;
+        contiguousCache.insert(1, 42);
+    }
+    {
+        QContiguousCache<int> contiguousCache;
+        contiguousCache.append(42);
+    }
+    {
+        QContiguousCache<int> contiguousCache;
+        contiguousCache.prepend(42);
+    }
+}
+
 #include "tst_qcontiguouscache.moc"
-- 
cgit v1.2.3