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=begin
Copyright (C) 2000, 2001, 2002, 2003 RiskMap srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
=end
require 'QuantLib'
require 'test/unit/testcase'
require 'test/unit/ui/console/testrunner'
class InstrumentTest < Test::Unit::TestCase
def name
"Testing observability of stocks"
end
def testStock
flag = false
me1 = QuantLib::SimpleQuote.new(0.0)
h = QuantLib::RelinkableQuoteHandle.new(me1)
s = QuantLib::Stock.new(h)
s.NPV
obs = QuantLib::Observer.new { flag = true }
obs.registerWith(s)
me1.value = 3.14
unless flag
flunk("Observer was not notified of instrument change")
end
s.NPV
flag = false
me2 = QuantLib::SimpleQuote.new(0.0)
h.linkTo!(me2)
unless flag
flunk("Observer was not notified of instrument change")
end
s.NPV
flag = false
s.freeze!
me2.value = 2.71
if flag
flunk("Observer was notified of frozen instrument change")
end
s.unfreeze!
unless flag
flunk("Observer was not notified of instrument change")
end
end
end
if $0 == __FILE__
Test::Unit::UI::Console::TestRunner.run(InstrumentTest)
end
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