HashMap.java (HashMap): If 0 is given for initialCapacity paramater, bump it to 1.

2001-03-24  Bryce McKinlay  <bryce@albatross.co.nz>

	* java/util/HashMap.java (HashMap): If 0 is given for initialCapacity
	paramater, bump it to 1.
	* java/util/Hashtable.java (Hashtable): Likewise.

From-SVN: r40812

libjava/ChangeLog

+2001-03-24  Bryce McKinlay  <bryce@albatross.co.nz>
+
+	* java/util/HashMap.java (HashMap): If 0 is given for initialCapacity 
+	paramater, bump it to 1.
+	* java/util/Hashtable.java (Hashtable): Likewise.
+
 2001-03-23  Per Bothner  <per@bothner.com>
 
 	* java/lang/natDouble.cc (parseDouble):  Cannot use errno to

libjava/java/util/HashMap.java

@@ -157,7 +157,7 @@ public class HashMap extends AbstractMap
    * @param   loadFactor       the load factor
    * 
    * @throws   IllegalArgumentException    if (initialCapacity < 0) ||
-   *                                          (initialLoadFactor > 1.0) ||
+   *                                          (loadFactor <= 0)
    */
   public HashMap(int initialCapacity, float loadFactor)
     throws IllegalArgumentException
@@ -168,6 +168,8 @@ public class HashMap extends AbstractMap
     if (loadFactor <= 0)
       throw new IllegalArgumentException("Illegal Load Factor: " + loadFactor);
 
+    if (initialCapacity == 0)
+      initialCapacity = 1;
     buckets = new Entry[initialCapacity];
     this.loadFactor = loadFactor;
     this.threshold = (int) (initialCapacity * loadFactor);

libjava/java/util/Hashtable.java

@@ -180,6 +180,8 @@ public class Hashtable extends Dictionary
     if (loadFactor <= 0)
       throw new IllegalArgumentException("Illegal Load Factor: " + loadFactor);
     
+    if (initialCapacity == 0)
+      initialCapacity = 1;    
     buckets = new Entry[initialCapacity];
     this.loadFactor = loadFactor;
     this.threshold = (int) (initialCapacity * loadFactor);