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29 lines
679 B
Ruby
29 lines
679 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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require File.expand_path('../shared/tell', __FILE__)
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describe "StringIO#pos" do
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it_behaves_like :stringio_tell, :pos
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end
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describe "StringIO#pos=" do
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before :each do
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@io = StringIOSpecs.build
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end
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it "updates the current byte offset" do
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@io.pos = 26
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@io.read(1).should == "r"
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end
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it "raises an EINVAL if given a negative argument" do
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lambda { @io.pos = -10 }.should raise_error(Errno::EINVAL)
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end
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it "updates the current byte offset after reaching EOF" do
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@io.read
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@io.pos = 26
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@io.read(1).should == "r"
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end
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end
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