* test/fileutils/fileassertions.rb: new file.

* test/fileutils/test_fileutils.rb: new file.
* test/fileutils/test_nowrite.rb: new file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/fileutils/fileasserts.rb

@@ -0,0 +1,43 @@
+#
+# test/fileutils/fileasserts.rb
+#
+
+module Test
+  module Unit
+    module Assertions   # redefine
+
+      def assert_same_file( from, to )
+        _wrap_assertion {
+          assert_block("file #{from} != #{to}") {
+            File.read(from) == File.read(to)
+          }
+        }
+      end
+
+      def assert_file_exist( file )
+        _wrap_assertion {
+          assert_block("file not exist: #{file}") {
+            File.exist?(file)
+          }
+        }
+      end
+
+      def assert_file_not_exist( file )
+        _wrap_assertion {
+          assert_block("file not exist: #{file}") {
+            not File.exist?(file)
+          }
+        }
+      end
+
+      def assert_is_directory( file )
+        _wrap_assertion {
+          assert_block("is not directory: #{file}") {
+            File.directory?(file)
+          }
+        }
+      end
+
+    end
+  end
+end