From 9e50475cb3b86e71fd04a0e08c4818f385f10426 Mon Sep 17 00:00:00 2001
From: Scott Taylor <scott@railsnewbie.com>
Date: Sun, 1 Nov 2009 17:44:30 -0500
Subject: [PATCH] Add File#pos

---
 lib/fakefs/file.rb  |  4 ++++
 test/fakefs_test.rb | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/lib/fakefs/file.rb b/lib/fakefs/file.rb
index 4b1099f..7479f2c 100644
--- a/lib/fakefs/file.rb
+++ b/lib/fakefs/file.rb
@@ -249,6 +249,10 @@ module FakeFS
       @stream.seek(amount, whence)
     end
 
+    def pos
+      @stream.pos
+    end
+
   private
 
     def check_modes!
diff --git a/test/fakefs_test.rb b/test/fakefs_test.rb
index af6aa93..806a849 100644
--- a/test/fakefs_test.rb
+++ b/test/fakefs_test.rb
@@ -445,6 +445,26 @@ class FakeFSTest < Test::Unit::TestCase
     assert_equal ['/one/five.rb', '/one/two/three/four.rb'], Dir['/one/**']
   end
 
+  def test_should_report_pos_as_0_when_opening
+    File.open("/foo", "w") do |f|
+      f << "foobar"
+      f.rewind
+
+      assert_equal 0, f.pos
+    end
+  end
+
+  def test_should_report_pos_as_1_when_seeking_one_char
+    File.open("/foo", "w") do |f|
+      f << "foobar"
+
+      f.rewind
+      f.seek(1)
+
+      assert_equal 1, f.pos
+    end
+  end
+
   def test_chdir_changes_directories_like_a_boss
     # I know memes!
     FileUtils.mkdir_p '/path'