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require File.expand_path('../../../spec_helper', __FILE__)
require 'strscan'
describe "StringScanner#dup" do
before(:each) do
@string = "this is a test"
@orig_s = StringScanner.new(@string)
end
it "copies the passed StringScanner's content to self" do
s = @orig_s.dup
s.string.should == @string
end
it "copies the passed StringSCanner's position to self" do
@orig_s.pos = 5
s = @orig_s.dup
s.pos.should eql(5)
end
it "copies previous match state" do
@orig_s.scan(/\w+/)
@orig_s.scan(/\s/)
@orig_s.pre_match.should == "this"
s = @orig_s.dup
s.pre_match.should == "this"
s.unscan
s.scan(/\s/).should == " "
end
it "copies the passed StringScanner scan pointer to self" do
@orig_s.terminate
s = @orig_s.dup
s.eos?.should be_true
end
end
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