akr	2012-05-06 14:51:13 +0900 (Sun, 06 May 2012)

  New Revision: 35545

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=35545

  Log:
    * lib/securerandom.rb: show actual read length in an error message.

  Modified files:
    trunk/ChangeLog
    trunk/lib/securerandom.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 35544)
+++ ChangeLog	(revision 35545)
@@ -1,3 +1,7 @@
+Sun May  6 14:50:03 2012  Tanaka Akira  <akr@f...>
+
+	* lib/securerandom.rb: show actual read length in an error message.
+
 Sat May  5 06:43:10 2012  Ryan Davis  <ryand-ruby@z...>
 
 	* lib/minitest/*: Imported minitest 2.12.1 (r7323)
Index: lib/securerandom.rb
===================================================================
--- lib/securerandom.rb	(revision 35544)
+++ lib/securerandom.rb	(revision 35545)
@@ -80,7 +80,7 @@
           @has_urandom = true
           ret = f.read(n)
           if ret.length != n
-            raise NotImplementedError, "Unexpected partial read from random device"
+            raise NotImplementedError, "Unexpected partial read from random device: only #{ret.length} for #{n}"
           end
           return ret
         }

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