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re PR libgcj/11241 (WeakHashMap throws a "/ zero" ArithmeticException when initialCapacity is explicitly zero)

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Fix for PR libgcj/11241:
	* java/util/WeakHashMap.java (WeakHashMap(int,float)): If
	initialCapacity is 0, set it to 1.

From-SVN: r70070
This commit is contained in:
Tom Tromey 2003-08-01 21:30:14 +00:00 • committed by Tom Tromey
parent 6e42faef6d
commit a04045d0a2
2 changed files with 9 additions and 1 deletions
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4
libjava/java/util/WeakHashMap.java
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@ -1,6 +1,6 @@
/* WeakHashMap -- a hashtable that keeps only weak references
to its keys, allowing the virtual machine to reclaim them
Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -544,6 +544,8 @@ public class WeakHashMap extends AbstractMap implements Map
// Check loadFactor for NaN as well.
if (initialCapacity < 0 || ! (loadFactor > 0))
throw new IllegalArgumentException();
if (initialCapacity == 0)
initialCapacity = 1;
this.loadFactor = loadFactor;
threshold = (int) (initialCapacity * loadFactor);
theEntrySet = new WeakEntrySet();