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describe :argf_pos, shared: true do
before :each do
@file1 = fixture __FILE__, "file1.txt"
@file2 = fixture __FILE__, "file2.txt"
end
it "gives the correct position for each read operation" do
argf [@file1, @file2] do
size1 = File.size(@file1)
size2 = File.size(@file2)
@argf.read(2)
@argf.send(@method).should == 2
@argf.read(size1-2)
@argf.send(@method).should == size1
@argf.read(6)
@argf.send(@method).should == 6
@argf.rewind
@argf.send(@method).should == 0
@argf.read(size2)
@argf.send(@method).should == size2
end
end
it "raises an ArgumentError when called on a closed stream" do
argf [@file1] do
@argf.read
-> { @argf.send(@method) }.should raise_error(ArgumentError)
end
end
end
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