'From Squeak3.2alpha of 3 November 2001 [latest update: #4599] on 23 December 2001 at 4:29:44 pm'! "Change Set: Interval-extent Date: 23 December 2001 Author: steven-pope harvested by stephane ducasse Published in 3.3a as 4707Interval-extent.cs Add the method extent that returns the range of an interval"! TestCase subclass: #IntervalTestCase instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'Collections-SequenceableTest'! !Interval methodsFor: 'accessing' stamp: 'stp 8/19/2000 23:52'! extent "Answer the max - min of the receiver interval." "(10 to: 50) extent" ^stop - start! ! !IntervalTestCase methodsFor: 'tests' stamp: 'sd 12/23/2001 16:16'! testExtent self assert: (Interval from: 10 to: 100) extent = 90! !