* test/ripper/test_filter.rb: add tests. see [ruby-dev:37856]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jun  2 13:27:21 2009  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* test/ripper/test_filter.rb: add tests. see [ruby-dev:37856]
+
 Mon Jun  1 11:21:29 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* cont.c (cont_capture, fiber_store): reraise transferred error.

test/ripper/test_filter.rb

@@ -0,0 +1,54 @@
+begin
+
+require 'ripper'
+require 'test/unit'
+
+class TestRipper_Filter < Test::Unit::TestCase
+
+  class Filter < Ripper::Filter
+    def on_default(event, token, data)
+      if data.empty?
+        data[:filename] = filename rescue nil
+        data[:lineno] = lineno
+        data[:column] = column
+        data[:token] = token
+      end
+      data
+    end
+  end
+
+  def filename
+    File.expand_path(__FILE__)
+  end
+
+  def test_filter_filename
+    data = {}
+    Filter.new(File.read(filename)).parse(data)
+    assert_equal('-', data[:filename], "[ruby-dev:37856]")
+
+    data = {}
+    Filter.new(File.read(filename), filename).parse(data)
+    assert_equal(filename, data[:filename])
+  end
+
+  def test_filter_lineno
+    data = {}
+    Filter.new(File.read(filename)).parse(data)
+    assert_equal(1, data[:lineno])
+  end
+
+  def test_filter_column
+    data = {}
+    Filter.new(File.read(filename)).parse(data)
+    assert_equal(0, data[:column])
+  end
+
+  def test_filter_token
+    data = {}
+    Filter.new(File.read(filename)).parse(data)
+    assert_equal("begin", data[:token])
+  end
+end
+
+rescue LoadError
+end