assertions.rb: assert_all? assert_not_all?

* lib/test/unit/assertions.rb (assert_all?, assert_not_all?): new
  assertions for all iterations.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/test/unit/assertions.rb

@@ -422,6 +422,26 @@ EOT
       alias assert_include assert_includes
       alias assert_not_include assert_not_includes
 
+      def assert_all?(obj, m = nil, &blk)
+        failed = []
+        obj.each do |*a, &b|
+          unless blk.call(*a, &b)
+            failed << (a.size > 1 ? a : a[0])
+          end
+        end
+        assert(failed.empty?, message(m) {failed.pretty_inspect})
+      end
+
+      def assert_not_all?(obj, m = nil, &blk)
+        failed = []
+        obj.each do |*a, &b|
+          if blk.call(*a, &b)
+            failed << a.size > 1 ? a : a[0]
+          end
+        end
+        assert(failed.empty?, message(m) {failed.pretty_inspect})
+      end
+
       def build_message(head, template=nil, *arguments) #:nodoc:
         template &&= template.chomp
         template.gsub(/\G((?:[^\\]|\\.)*?)(\\)?\?/) { $1 + ($2 ? "?" : mu_pp(arguments.shift)) }