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