1 files changed, 23 insertions, 0 deletions
diff --git a/spec/rubyspec/core/argf/to_io_spec.rb b/spec/rubyspec/core/argf/to_io_spec.rb
new file mode 100644
index 0000000000..0575c35f25
--- /dev/null
+++ b/spec/rubyspec/core/argf/to_io_spec.rb
@@ -0,0 +1,23 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ARGF.to_io" do
+  before :each do
+    @file1 = fixture __FILE__, "file1.txt"
+    @file2 = fixture __FILE__, "file2.txt"
+  end
+
+  # NOTE: this test assumes that fixtures files have two lines each
+  it "returns the IO of the current file" do
+    argf [@file1, @file2] do
+      result = []
+      4.times do
+        @argf.gets
+        result << @argf.to_io
+      end
+
+      result.each { |io| io.should be_kind_of(IO) }
+      result[0].should == result[1]
+      result[2].should == result[3]
+    end
+  end
+end