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28 lines
706 B
Ruby
28 lines
706 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "IO#<<" do
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it "writes an object to the IO stream" do
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lambda {
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$stderr << "Oh noes, an error!"
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}.should output_to_fd("Oh noes, an error!", $stderr)
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end
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it "calls #to_s on the object to print it" do
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lambda {
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$stderr << 1337
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}.should output_to_fd("1337", $stderr)
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end
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it "raises an error if the stream is closed" do
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io = IOSpecs.closed_io
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lambda { io << "test" }.should raise_error(IOError)
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end
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it "returns self" do
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lambda {
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($stderr << "to_stderr").should == $stderr
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}.should output(nil, "to_stderr")
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end
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end
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