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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/extract_range_matched', __FILE__)
require 'strscan'
describe "StringScanner#post_match" do
before :each do
@s = StringScanner.new("This is a test")
end
it "returns the post-match (in the regular expression sense) of the last scan" do
@s.post_match.should == nil
@s.scan(/\w+\s/)
@s.post_match.should == "is a test"
@s.getch
@s.post_match.should == "s a test"
@s.get_byte
@s.post_match.should == " a test"
@s.get_byte
@s.post_match.should == "a test"
end
it "returns nil if there's no match" do
@s.scan(/\s+/)
@s.post_match.should == nil
end
it_behaves_like :extract_range_matched, :post_match
end
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