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require_relative '../../../spec_helper'
ruby_version_is ''...'2.7' do
require_relative 'shared/block_scanf'
require 'scanf'
describe "IO#scanf" do
before :each do
@hw = File.open(fixture(__FILE__, 'helloworld.txt'), 'rb')
@data = File.open(fixture(__FILE__, 'date.txt'), 'rb')
end
after :each do
@hw.close unless @hw.closed?
@data.close unless @data.closed?
end
it "returns an array containing the input converted in the specified type" do
@hw.scanf("%s%s").should == ["hello", "world"]
@data.scanf("%s%d").should == ["Beethoven", 1770]
end
it "returns an array containing the input converted in the specified type with given maximum field width" do
@hw.scanf("%2s").should == ["he"]
@data.scanf("%2c").should == ["Be"]
end
it "returns an empty array when a wrong specifier is passed" do
@hw.scanf("%a").should == []
@hw.scanf("%1").should == []
@data.scanf("abc").should == []
end
end
describe "IO#scanf with block" do
it_behaves_like :scanf_io_block_scanf, :scanf
end
end
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