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-rw-r--r--server/src/com/vaadin/ui/AbstractSelect.java4
1 files changed, 3 insertions, 1 deletions
diff --git a/server/src/com/vaadin/ui/AbstractSelect.java b/server/src/com/vaadin/ui/AbstractSelect.java
index b8db329906..b083db3183 100644
--- a/server/src/com/vaadin/ui/AbstractSelect.java
+++ b/server/src/com/vaadin/ui/AbstractSelect.java
@@ -759,7 +759,9 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
*/
@Override
public int size() {
- return items.size();
+ int size = items.size();
+ assert size >= 0;
+ return size;
}
/**