* 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

1 files changed, 54 insertions, 0 deletions

diff --git a/test/ripper/test_filter.rb b/test/ripper/test_filter.rb
new file mode 100644
index 0000000000..4e9ee88dd8
--- /dev/null
+++ b/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