test_find.rb: improve branch coverage

* test/test_find.rb (test_to_path): add a test for to_path conversion. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: k-tsj

test/test_find.rb

@@ -297,6 +297,23 @@ def test_encoding_non_ascii
  }
  end
 
+ def test_to_path
+ c = Class.new {
+ def initialize(path)
+ @path = path
+ end
+
+ def to_path
+ @path
+ end
+ }
+ Dir.mktmpdir {|d|
+ a = []
+ Find.find(c.new(d)) {|f| a << f }
+ assert_equal([d], a)
+ }
+ end
+
  class TestInclude < Test::Unit::TestCase
  include Find