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Subject: Re: in1To10, a simple test plan
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On 09/08/14 20:12, cdalten@gmail.com wrote:
> from the url
>
> http://codingbat.com/prob/p137365

Here is an example of a simple test plan
Apply the tests to the different implementations
you have been given and see which ones comply.


/* Specification:
  *
  * Given a number n, return true if n is in the range 1..10, inclusive.
  * Unless "outsideMode" is true, in which case return true if the
  * number is less or equal to 1, or greater or equal to 10."
  */

/*
  * Test plan:
  *
  * boolean outsideMode = true;
  *
  * Test:			Expected result:
  * n = 1 && outsideMode		true
  * n = 1 && !outsideMode  	true
  * n = 10 && outsideMode	true
  * n = 10 && !outsideMode	true
  * n = 0 && outsideMode 	true
  * n = 0 && !outsideMode 	false
  * n = -1 && outsideMode 	true
  * n = -1 && !outsideMode 	false
  * n = 2 && outsideMode 	false
  * n = 2 && !outsideMode	true
  * n = 5 && outsideMode 	false
  * n = 5 && !outsideMode	true
  * n = 9 && outsideMode 	false
  * n = 9 && !outsideMode	true
  * n = 11 && outsideMode    	true
  * n = 11 && !outsideMode   	false
  */

public class In1To10 {
	
    static boolean in1To10(int n, boolean outsideMode){
       if(n == 1 || n == 10){
          return true;
       }
       else{
          return (n > 1 && n < 10) ^ outsideMode;
       }
    }
	
    public static void main(String[] args){
       boolean outsideMode = true;
                                                    //Expected:  Actual:
       System.out.println(in1To10(1, outsideMode));   //true	true
       System.out.println(in1To10(1, !outsideMode));  //true	true
       System.out.println(in1To10(10, outsideMode));  //true	true
       System.out.println(in1To10(10, !outsideMode)); //true	true
       System.out.println(in1To10(0, outsideMode));   //true	true
       System.out.println(in1To10(0, !outsideMode));  //false	false
       System.out .println(in1To10(-1, outsideMode)); //true	true
       System.out.println(in1To10(-1, !outsideMode)); //false	false
       System.out.println(in1To10(2, outsideMode));   //false	false
       System.out.println(in1To10(2, !outsideMode));  //true	true
       System.out.println(in1To10(5, outsideMode));   //false	false
       System.out.println(in1To10(5, !outsideMode));  //true     true
       System.out.println(in1To10(9, outsideMode));   //false	false
       System.out.println(in1To10(9, !outsideMode));  //true     true
       System.out.println(in1To10(11, outsideMode));  //true     true
       System.out.println(in1To10(11, !outsideMode)); //false	false
       //etc
    }
}


-- 
lipska the kat - treacherous feline.
Proudly nominated for IPOTY 2014 - LIGAF
GNU/Linux user #560883 - linuxcounter.net