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"{ Encoding: utf8 }"
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"{ Package: 'stx:goodies/regression' }"
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204
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"{ NameSpace: RegressionTests }"
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TestCase subclass:#MetaNumbersTest
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'tests-Regression-Numbers'
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!
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!MetaNumbersTest methodsFor:'tests'!
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test01_Nan
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"NaN in all avaliable formats."
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|check|
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check := [:nan |
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self assert:( nan isNaN ).
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self assert:( nan isFinite not ).
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nan isLimitedPrecisionReal ifTrue:[
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self assert:( nan asFloat isNaN ).
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self assert:( nan asLargeFloat isNaN ).
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self assert:( nan asShortFloat isNaN ).
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self assert:( nan asLongFloat isNaN ).
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].
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"/ self assert:( nan asFraction isNaN ).
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"/ self assert:( nan asInteger isNaN ).
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self should:[ nan asFraction ] raise:DomainError.
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self should:[ nan asInteger ] raise:DomainError.
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self assert:( nan + 1 ) isNaN.
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self assert:( nan + 1.0 ) isNaN.
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self assert:( nan + 1.0 asShortFloat ) isNaN.
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self assert:( nan + 1.0 asLongFloat ) isNaN.
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self assert:( nan + 1.0 asLargeFloat ) isNaN.
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self assert:( 1 + nan ) isNaN.
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self assert:( 1.0 + nan ) isNaN.
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self assert:( 1.0 asShortFloat + nan ) isNaN.
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self assert:( 1.0 asLongFloat + nan ) isNaN.
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self assert:( 1.0 asLargeFloat + nan ) isNaN.
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self assert:( nan - 1 ) isNaN.
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self assert:( nan - 1.0 ) isNaN.
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self assert:( nan - 1.0 asShortFloat ) isNaN.
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self assert:( nan - 1.0 asLongFloat ) isNaN.
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self assert:( nan - 1.0 asLargeFloat ) isNaN.
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self assert:( 1 - nan ) isNaN.
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self assert:( 1.0 - nan ) isNaN.
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self assert:( 1.0 asShortFloat - nan ) isNaN.
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self assert:( 1.0 asLongFloat - nan ) isNaN.
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self assert:( 1.0 asLargeFloat - nan ) isNaN.
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self assert:( nan * 1 ) isNaN.
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self assert:( nan * 1.0 ) isNaN.
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self assert:( nan * 1.0 asShortFloat ) isNaN.
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self assert:( nan * 1.0 asLongFloat ) isNaN.
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self assert:( nan * 1.0 asLargeFloat ) isNaN.
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self assert:( 1 * nan ) isNaN.
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self assert:( 1.0 * nan ) isNaN.
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self assert:( 1.0 asShortFloat * nan ) isNaN.
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self assert:( 1.0 asLongFloat * nan ) isNaN.
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self assert:( 1.0 asLargeFloat * nan ) isNaN.
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self assert:( nan / 1 ) isNaN.
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self assert:( nan / 1.0 ) isNaN.
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self assert:( nan / 1.0 asShortFloat ) isNaN.
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self assert:( nan / 1.0 asLongFloat ) isNaN.
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self assert:( nan / 1.0 asLargeFloat ) isNaN.
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"/ skipped not sure if error division by zero or just return nan
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"/ self assert:( 1 / nan ) isNaN.
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"/ self assert:( 1.0 / nan ) isNaN.
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"/ self assert:( 1.0 asShortFloat / nan ) isNaN.
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"/ self assert:( 1.0 asLongFloat / nan ) isNaN.
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"/ self assert:( 1.0 asLargeFloat / nan ) isNaN.
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].
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check value:(0.0 uncheckedDivide: 0.0).
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check value:(0.0 asShortFloat uncheckedDivide: 0.0).
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check value:(0.0 asLongFloat uncheckedDivide: 0.0).
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check value:(0.0 asLargeFloat uncheckedDivide: 0.0).
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check value:(0 uncheckedDivide: 0).
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"
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self basicNew test01_Nan
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"
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!
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test02_Inf
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"Infinity in all avaliable formats."
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|check posInf negInf|
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check :=
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[:v1 :v2 |
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posInf := v1 uncheckedDivide: v2.
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negInf := v1 negated uncheckedDivide: v2.
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v1 isLimitedPrecisionReal ifTrue:[
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self assert:( posInf isMemberOf:v1 class ).
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self assert:( negInf isMemberOf:v1 class ).
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].
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self assert:( posInf isNaN not ).
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self assert:( posInf isFinite not ).
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self assert:( posInf isInfinite ).
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self assert:( posInf positive ).
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self assert:( posInf negative not ).
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self assert:( posInf isNegativeInfinity not).
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self assert:( posInf isPositiveInfinity ).
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self assert:( negInf isNaN not ).
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self assert:( negInf isFinite not ).
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self assert:( negInf isInfinite ).
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self assert:( negInf positive not).
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self assert:( negInf negative ).
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self assert:( negInf isNegativeInfinity ).
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self assert:( negInf isPositiveInfinity not ).
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self assert:( negInf + negInf = negInf).
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self assert:( posInf + posInf = posInf).
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"/ self assert:( negInf + posInf) isNaN.
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self assert:( Number undefinedResultSignal ignoreIn:[ negInf + posInf]) isNaN.
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"/ self should:[ negInf + posInf ] raise:Number undefinedResultSignal.
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self assert:( Number undefinedResultSignal ignoreIn:[ posInf + negInf]) isNaN.
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self assert:( negInf - posInf = negInf).
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self assert:( Number undefinedResultSignal ignoreIn:[ negInf - negInf]) isNaN.
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self assert:( posInf - negInf = posInf).
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self assert:( Number undefinedResultSignal ignoreIn:[ posInf - posInf]) isNaN.
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self assert:( posInf + v1) = posInf.
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self assert:( posInf - v1) = posInf.
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self assert:( negInf + v1) = negInf.
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self assert:( negInf - v1) = negInf.
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self assert:( posInf + 1) = posInf.
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self assert:( posInf + 1.0) = posInf.
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self assert:( posInf + 1.0 asShortFloat) = posInf.
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self assert:( posInf + 1.0 asLongFloat) = posInf.
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self assert:( posInf + 1.0 asLargeFloat) = posInf.
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self assert:( posInf + (1/2)) = posInf.
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self assert:( posInf + 100 factorial) = posInf.
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self assert:( negInf + 1) = negInf.
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self assert:( negInf + 1.0) = negInf.
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self assert:( negInf + 1.0 asShortFloat) = negInf.
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self assert:( negInf + 1.0 asLongFloat) = negInf.
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self assert:( negInf + 1.0 asLargeFloat) = negInf.
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self assert:( negInf + (1/2)) = negInf.
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"take care, that the factorial is not poitive infinite when converting"
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self assert:( negInf + 20 factorial asShortFloat) = negInf.
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self assert:( 1 + posInf) = posInf.
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self assert:( 1.0 + posInf) = posInf.
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self assert:( 1.0 asShortFloat + posInf) = posInf.
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self assert:( 1.0 asLongFloat + posInf) = posInf.
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self assert:( 1.0 asLargeFloat + posInf) = posInf.
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self assert:( (1/2) + posInf) = posInf.
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self assert:( 20 factorial + posInf) = posInf.
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self assert:( 1 + negInf) = negInf.
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self assert:( 1.0 + negInf) = negInf.
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self assert:( 1.0 asShortFloat + negInf) = negInf.
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self assert:( 1.0 asLongFloat + negInf) = negInf.
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self assert:( 1.0 asLargeFloat + negInf) = negInf.
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self assert:( (1/2) + negInf) = negInf.
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"take care, that the factorial is not poitive infinite when converting"
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self assert:( 20 factorial + negInf) = negInf.
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].
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check value: 1.0 value: 0.0.
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check value: 1.0 asShortFloat value: 0.0 asShortFloat.
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check value: 1.0 asLongFloat value: 0.0 asLongFloat.
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check value: 1.0 asLargeFloat value: 0.0 asLargeFloat.
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check value: 1 value: 0.
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"
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self basicNew test02_Inf
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"
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! !
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!MetaNumbersTest class methodsFor:'documentation'!
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version
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^ '$Header$'
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! !
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