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Viewing changes to vendor/gems/rspec/lib/spec/matchers/be_close.rb

  • Committer: Bazaar Package Importer
  • Author(s): Micah Anderson
  • Date: 2008-07-26 15:43:45 UTC
  • mto: (3.1.1 lenny) (1.3.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 16.
  • Revision ID: james.westby@ubuntu.com-20080726154345-1fmgo76b4l72ulvc
Import upstream version 0.24.5

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vendor/gems/rspec/lib/spec/matchers/be_close.rb
 
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module Spec
 
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  module Matchers
 
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    class BeClose #:nodoc:
 
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      def initialize(expected, delta)
 
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        @expected = expected
 
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        @delta = delta
 
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      end
 
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      def matches?(actual)
 
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        @actual = actual
 
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        (@actual - @expected).abs < @delta
 
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      end
 
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      def failure_message
 
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        "expected #{@expected} +/- (< #{@delta}), got #{@actual}"
 
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      end
 
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      def description
 
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        "be close to #{@expected} (within +- #{@delta})"
 
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      end
 
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    end
 
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    # :call-seq:
 
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    #   should be_close(expected, delta)
 
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    #   should_not be_close(expected, delta)
 
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    #
 
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    # Passes if actual == expected +/- delta
 
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    #
 
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    # == Example
 
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    #
 
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    #   result.should be_close(3.0, 0.5)
 
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    def be_close(expected, delta)
 
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      Matchers::BeClose.new(expected, delta)
 
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    end
 
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  end
 
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end