example
Class Counter

java.lang.Object
  example.Counter

public class Counter
extends Object

Simple example class to show how to use ComTest. Counter is a class that counts sum, min and max of the items added. Only maxN item is taken acount.

Author:

vesal

Example:

 private Counter gCnt;
 
 /.** *./
 \@Before public void doInit() {
   gCnt = new Counter(3);
 } 
 
 /.** *./
 \@After public void doAfter() {
   System.out.println("After: " + gCnt.getCount());
 }
 

Constructor Summary

Counter(int maxN)
Init counter with max N items

Method Summary

void	add(int i) Adds i to current counter if not allready too many added.
double	getAvg()
int	getCount()
int	getMax()
int	getMin()
int	getSum()

Methods inherited from class java.lang.Object

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

Constructor Detail

Counter

public Counter(int maxN)

Init counter with max N items

Parameters:

maxN - how many items to count in max

Method Detail

add

public void add(int i)

Adds i to current counter if not allready too many added.

Parameters:

i - value to add

Example:

 #THROWS IndexOutOfBoundsException,Exception
 // Test by ordinary sentences 
 // Counter cnt = new Counter(3);
 Counter cnt = gCnt;
              cnt.getCount() === 0;  cnt.getSum() === 0; 
 cnt.add(1);  cnt.getCount() === 1;  cnt.getSum() === 1; 
 cnt.add(2);  cnt.getCount() === 2;  cnt.getSum() === 3; 
 

,

 // test by table 
 Counter cnt = new Counter(3); 
 cnt.add($add);  cnt.getCount() === $count;  cnt.getSum() === $sum;
 cnt.getMax() === $max; cnt.getMin() === $min;
 
  ----------------------------------------------
     $add   |   $count   | $sum   | $max | $min
  ----------------------------------------------
     ---    |     0      |  0     |   0  |   0  // after creation
      1     |     1      |  1     |   1  |   1
      2     |     2      |  1+2   |   2  |   1
      3     |     3      |  1+2+3 |   3  |   1
      4     |     3      |  6     |   3  |   1  // MaxN exceeded
  ==============================================
      5     |     1      |  5     |   5  |   5
      2     |     2      |  5+2   |   5  |   2
      3     |     3      |  5+2+3 |   5  |   2
  ==============================================
     -1     |     1      |  -1    |  -1  |  -1
      2     |     2      | -1+2   |   2  |  -1
      9     |     3      | -1+2+9 |   9  |  -1
       
 

getCount

public int getCount()

Returns:

count of items

getMax

public int getMax()

Returns:

max item

getMin

public int getMin()

Returns:

min item

getSum

public int getSum()

Returns:

Sum of items

getAvg

public double getAvg()

Returns:

Avg of items