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require_relative '../../spec_helper'
require 'strscan'
describe "StringScanner#check_until" do
before :each do
@s = StringScanner.new("This is a test")
end
it "returns the same value of scan_until, but don't advances the scan pointer" do
@s.check_until(/a/).should == "This is a"
@s.pos.should == 0
@s.matched.should == "a"
@s.check_until(/test/).should == "This is a test"
end
it "raises TypeError if given a String" do
-> {
@s.check_until('T')
}.should raise_error(TypeError, 'wrong argument type String (expected Regexp)')
end
end
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