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require_relative '../../spec_helper'
require 'strscan'
describe "StringScanner#scan_until" do
before :each do
@s = StringScanner.new("This is a test")
end
it "returns the substring up to and including the end of the match" do
@s.scan_until(/a/).should == "This is a"
@s.pre_match.should == "This is "
@s.post_match.should == " test"
end
it "returns nil if there's no match" do
@s.scan_until(/\d/).should == nil
end
it "can match anchors properly" do
@s.scan(/T/)
@s.scan_until(/^h/).should == "h"
end
it "raises TypeError if given a String" do
-> {
@s.scan_until('T')
}.should raise_error(TypeError, 'wrong argument type String (expected Regexp)')
end
end
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