Fixed issue with Bignum hash values.

lib/uuidtools.rb

@@ -381,13 +381,15 @@ def to_s
 
   # Returns an integer representation for this UUID.
   def to_i
-    bytes = (time_low << 96) + (time_mid << 80) +
-      (time_hi_and_version << 64) + (clock_seq_hi_and_reserved << 56) +
-      (clock_seq_low << 48)
-    for i in 0..5
-      bytes += (nodes[i] << (40 - (i * 8)))
-    end
-    return bytes
+    @integer ||= (begin
+      bytes = (time_low << 96) + (time_mid << 80) +
+        (time_hi_and_version << 64) + (clock_seq_hi_and_reserved << 56) +
+        (clock_seq_low << 48)
+      for i in 0..5
+        bytes += (nodes[i] << (40 - (i * 8)))
+      end
+      bytes
+    end)
   end
 
   # Returns a URI string for this UUID.
@@ -397,7 +399,7 @@ def to_uri
 
   # Returns an integer hash value.
   def hash
-    return self.to_i
+    @hash ||= self.to_i % 0x3fffffff
   end
 
   # Returns true if this UUID is exactly equal to the other UUID.

spec/uuidtools/uuid_parsing_spec.rb

@@ -90,7 +90,9 @@
   end
 
   it "should produce a sane hash value for a UUID" do
-    UUID.new(0, 0, 0, 0, 0, [0, 0, 0, 0, 0, 0]).hash.should == 0
+    uuid = UUID.new(0, 0, 0, 0, 0, [0, 0, 0, 0, 0, 0])
+    uuid.to_i.should == 0
+    uuid.hash.should be_kind_of(Fixnum)
   end
 
   it "should produce the correct URI for a UUID" do