package tools;

import junit.framework.TestCase;
import tools.HashTimer;


public class TESTC_HashTimer extends TestCase
{

    public void test_01_sumTimesAndCountHits()
    {
        HashTimer.reset ();
            assertEquals(  0 , HashTimer.nofHitsFor       ("unknown key") );
            assertEquals(  0 , HashTimer.totalTimeFor   ("unknown key") );

        for ( int i = 0; i < 10; i++ ) {
            HashTimer.addTimeFor("A ", 1);
            HashTimer.addTimeFor("B", 10);
        }
        HashTimer.addTimeFor("B", 1000);

            assertEquals(  10 , HashTimer.nofHitsFor ("A") );
            assertEquals(  11 , HashTimer.nofHitsFor ("B") );

            assertEquals(  10 *   1         , HashTimer.totalTimeFor ("A") );
            assertEquals(  10 *  10 +1000   , HashTimer.totalTimeFor ("B") );

        HashTimer.reset ();
            assertEquals(  0, HashTimer.nofHitsFor ("A")      );
            assertEquals(  0, HashTimer.totalTimeFor ("B")  );

    }

    public void test_02_consolidateResultsInAString()
    {
        HashTimer.reset ();
            assertEquals(  "0 call" +  " - 0 ms"  , HashTimer.results () );

        HashTimer.addTimeFor(" A", 11) ;
        HashTimer.addTimeFor("A" , 200) ;
        HashTimer.addTimeFor("Baby", 123) ;

        String expected =       "A    " + ": 2 calls" +  " - 211 ms\n" +
                                "Baby " + ": 1 calls" +  " - 123 ms\n";

        System.out.println( "\n" + HashTimer.results () );
        assertEquals( "\ninvalid HashTime dump", expected  , HashTimer.results () );
    }
}