org.jmlspecs.jmlunit.strategies
Class FloatNonNegativeIteratorDecorator

java.lang.Object
  org.jmlspecs.jmlunit.strategies.FloatAbstractIterator
      org.jmlspecs.jmlunit.strategies.FloatAbstractFilteringIteratorDecorator
          org.jmlspecs.jmlunit.strategies.FloatNonNegativeIteratorDecorator

All Implemented Interfaces:

Cloneable, FloatIterator, IndefiniteIterator

public class FloatNonNegativeIteratorDecorator

extends FloatAbstractFilteringIteratorDecorator

An indefinite iterator that filters out negative test data.

Author:

Gary T. Leavens

Class Specifications

Specifications inherited from class FloatAbstractFilteringIteratorDecorator

public invariant !this.dented ==> (this.atEnd() <==> this.rawElems.atEnd()); public invariant !this.dented ==> (!this.atEnd() ==> this.get().equals(this.rawElems.get())); public invariant_redundantly !this.dented ==> (!this.atEnd() ==> new java.lang.Float(this.getFloat()).equals(new java.lang.Float(this.rawElems.getFloat())));

Specifications inherited from class Object

represents objectState <- org.jmlspecs.lang.JMLDataGroup.IT; public represents _getClass <- \typeof(this);

Model Field Summary

 

Model fields inherited from class java.lang.Object

_getClass, objectState, theString

 

Ghost Field Summary

 

Ghost fields inherited from class org.jmlspecs.jmlunit.strategies.FloatAbstractFilteringIteratorDecorator

dented

 

Ghost fields inherited from class java.lang.Object

objectTimesFinalized, owner

 

Field Summary

 

Fields inherited from class org.jmlspecs.jmlunit.strategies.FloatAbstractFilteringIteratorDecorator

rawElems

 

Constructor Summary

FloatNonNegativeIteratorDecorator(FloatIterator iter)

 

Model Method Summary

 

Model methods inherited from class java.lang.Object

hashValue

 

Method Summary
boolean	approve(float elem)           Return true just when the argument is not negative.

 

Methods inherited from class org.jmlspecs.jmlunit.strategies.FloatAbstractFilteringIteratorDecorator

advance, atEnd, clone, getFloat, initialize, toString

 

Methods inherited from class org.jmlspecs.jmlunit.strategies.FloatAbstractIterator

get

 

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

FloatNonNegativeIteratorDecorator

public FloatNonNegativeIteratorDecorator(FloatIterator iter)

Specifications:

public normal_behavior
requires iter != null;
assignable rawElems, objectState;
ensures (* rawElems is a clone of iter *);

approve

public boolean approve(float elem)

Return true just when the argument is not negative.

Specifications: pure

     also

public normal_behavior
assignable \nothing;
ensures \result <==> !(elem < 0.0);

Specifications inherited from overridden method approve(float elem) in class FloatAbstractFilteringIteratorDecorator:
       pure

public normal_behavior
assignable \nothing;