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require 'scanf'
describe :scanf_io_block_scanf, shared: true do
before :each do
@data = File.open(fixture(__FILE__, 'date.txt'), 'rb')
end
after :each do
@data.close unless @data.closed?
end
it "passes each match to the block as an array" do
res = @data.send(@method, "%s%d") { |name, year| "#{name} was born in #{year}." }
res.should == ["Beethoven was born in 1770.", "Bach was born in 1685.", "Handel was born in 1685."]
end
it "keeps scanning the input and cycling back to the beginning of the input string" do
a = []
@data.send(@method, "%s"){|w| a << w}
a.should == [["Beethoven"], ["1770"], ["Bach"], ["1685"], ["Handel"], ["1685"]]
end
it "returns an empty array when a wrong specifier is passed" do
a = []
@data.send(@method, "%z"){|w| a << w}
a.empty?.should be_true
end
end
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