1 files changed, 26 insertions, 4 deletions
diff --git a/spec/ruby/library/stringio/eof_spec.rb b/spec/ruby/library/stringio/eof_spec.rb
index af0170977c..acc49305f5 100644
--- a/spec/ruby/library/stringio/eof_spec.rb
+++ b/spec/ruby/library/stringio/eof_spec.rb
@@ -1,11 +1,33 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/classes'
-require_relative 'shared/eof'
+require 'stringio'
 
 describe "StringIO#eof?" do
-  it_behaves_like :stringio_eof, :eof?
+  before :each do
+    @io = StringIO.new("eof")
+  end
+
+  it "returns true when self's position is greater than or equal to self's size" do
+    @io.pos = 3
+    @io.eof?.should == true
+
+    @io.pos = 6
+    @io.eof?.should == true
+  end
+
+  it "returns false when self's position is less than self's size" do
+    @io.pos = 0
+    @io.eof?.should == false
+
+    @io.pos = 1
+    @io.eof?.should == false
+
+    @io.pos = 2
+    @io.eof?.should == false
+  end
 end
 
 describe "StringIO#eof" do
-  it_behaves_like :stringio_eof, :eof
+  it "is an alias of StringIO#eof?" do
+    StringIO.instance_method(:eof).should == StringIO.instance_method(:eof?)
+  end
 end