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describe :stringio_sysread_length, :shared => true do
before(:each) do
@io = StringIO.new("example")
end
# This was filed as a bug in redmine#156 but since MRI refused to change the
# 1.8 behavior, it's now considered a version difference by RubySpec since
# it could have a significant impact on user code.
ruby_version_is ""..."1.9" do
it "raises an EOFError when passed 0 and no data remains" do
@io.send(@method, 8).should == "example"
lambda { @io.send(@method, 0) }.should raise_error(EOFError)
end
end
ruby_version_is "1.9" do
it "returns an empty String when passed 0 and no data remains" do
@io.send(@method, 8).should == "example"
@io.send(@method, 0).should == ""
end
end
it "raises an EOFError when passed length > 0 and no data remains" do
@io.read.should == "example"
lambda { @io.sysread(1) }.should raise_error(EOFError)
end
end
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