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diff --git a/spec/rubyspec/core/io/eof_spec.rb b/spec/rubyspec/core/io/eof_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "IO#eof?" do
+ before :each do
+ @name = tmp("empty.txt")
+ touch @name
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "returns true on an empty stream that has just been opened" do
+ File.open(@name) { |empty| empty.eof?.should == true }
+ end
+
+ it "raises IOError on stream not opened for reading" do
+ lambda do
+ File.open(@name, "w") { |f| f.eof? }
+ end.should raise_error(IOError)
+ end
+end
+
+describe "IO#eof?" do
+ before :each do
+ @name = fixture __FILE__, "lines.txt"
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io && !@io.closed?
+ end
+
+ it "returns false when not at end of file" do
+ @io.read 1
+ @io.eof?.should == false
+ end
+
+ it "returns true after reading with read with no parameters" do
+ @io.read()
+ @io.eof?.should == true
+ end
+
+ it "returns true after reading with read" do
+ @io.read(File.size(@name))
+ @io.eof?.should == true
+ end
+
+ it "returns true after reading with sysread" do
+ @io.sysread(File.size(@name))
+ @io.eof?.should == true
+ end
+
+ it "returns true after reading with readlines" do
+ @io.readlines
+ @io.eof?.should == true
+ end
+
+ it "returns false on just opened non-empty stream" do
+ @io.eof?.should == false
+ end
+
+ it "does not consume the data from the stream" do
+ @io.eof?.should == false
+ @io.getc.should == 'V'
+ end
+
+ it "raises IOError on closed stream" do
+ lambda { IOSpecs.closed_io.eof? }.should raise_error(IOError)
+ end
+
+ it "raises IOError on stream closed for reading by close_read" do
+ @io.close_read
+ lambda { @io.eof? }.should raise_error(IOError)
+ end
+
+ it "returns true on one-byte stream after single-byte read" do
+ File.open(File.dirname(__FILE__) + '/fixtures/one_byte.txt') { |one_byte|
+ one_byte.read(1)
+ one_byte.eof?.should == true
+ }
+ end
+end
+
+describe "IO#eof?" do
+ after :each do
+ @r.close if @r && !@r.closed?
+ @w.close if @w && !@w.closed?
+ end
+
+ it "returns true on receiving side of Pipe when writing side is closed" do
+ @r, @w = IO.pipe
+ @w.close
+ @r.eof?.should == true
+ end
+
+ it "returns false on receiving side of Pipe when writing side wrote some data" do
+ @r, @w = IO.pipe
+ @w.puts "hello"
+ @r.eof?.should == false
+ @w.close
+ @r.eof?.should == false
+ @r.read
+ @r.eof?.should == true
+ end
+end