/** Test methods for ArrayPractice.java
 * @see http://www.radford.edu/itec120/2019fall-ibarland/Homeworks/arrays/
 * @version 2019-Oct-13
 * @author ibarland@radford.edu
 * @license CC-BY-4.0
 */


class TestArrayPractice extends Object120 {
    
    static void testIsTeency() {
        printTestMsg("isTeency");
        assertEquals( true,  ArrayPractice.isTeency(0) );
        assertEquals( true,  ArrayPractice.isTeency(1) );
        assertEquals( false, ArrayPractice.isTeency(-1) );
        assertEquals( true,  ArrayPractice.isTeency(12) );
        assertEquals( false, ArrayPractice.isTeency(13) );
        assertEquals( false, ArrayPractice.isTeency(-2001) );
        assertEquals( false, ArrayPractice.isTeency(2001) );
    }

    static void testAllTeency() {
        printTestMsg("allTeency");
        assertEquals(true,  ArrayPractice.allTeency(new int[]{}) );  // Note: different that other itec120-section
        assertEquals(true,  ArrayPractice.allTeency(new int[]{7}) );
        assertEquals(false, ArrayPractice.allTeency(new int[]{18}) );
        assertEquals(true,  ArrayPractice.allTeency(new int[]{7,5,8,1}) );
        assertEquals(false, ArrayPractice.allTeency(new int[]{2,15,8}) );
        assertEquals(false, ArrayPractice.allTeency(new int[]{1,3,-4,9}) );
    }

    static void testFilterTeencies() {
        printTestMsg("filterTeencies");
        assertEquals(new int[]{}, ArrayPractice.filterTeencies(new int[]{})            ); 
        assertEquals(new int[]{}, ArrayPractice.filterTeencies(new int[]{})            ); 
        assertEquals(new int[]{}, ArrayPractice.filterTeencies(new int[]{44,15,-9,17}) ); 
        assertEquals(new int[]{1}, ArrayPractice.filterTeencies(new int[]{15,1,18})    ); 
        assertEquals(new int[]{3,1,4}, ArrayPractice.filterTeencies(new int[]{3,19,1,4,77}) );
    }

    static void testWhichOnesAreTeency() {
        printTestMsg("whichOnesAreTeency");
        assertEquals(new boolean[]{}, ArrayPractice.whichOnesAreTeency(new int[]{})              );
        assertEquals(new boolean[]{false}, ArrayPractice.whichOnesAreTeency(new int[]{33})            );
        assertEquals(new boolean[]{true }, ArrayPractice.whichOnesAreTeency(new int[]{3})              );
        assertEquals(new boolean[]{false,false}, ArrayPractice.whichOnesAreTeency(new int[]{44,-9})    );
        assertEquals(new boolean[]{false,true }, ArrayPractice.whichOnesAreTeency(new int[]{44,+9})   );
        assertEquals(new boolean[]{false,true, false,true, true }, ArrayPractice.whichOnesAreTeency(new int[]{15,2,18889,4,7}) );
    }

    static void testCombineArrays() {
        printTestMsg("combineArrays");
        assertEquals(new double[]{}, ArrayPractice.combineArrays( new double[]{}, new double[]{} )                   );
        assertEquals(new double[]{5.0}, ArrayPractice.combineArrays( new double[]{2.0}, new double[]{2.5} )                   );
        assertEquals(new double[]{5.0,1.5}, ArrayPractice.combineArrays( new double[]{2.0,3.0}, new double[]{2.5,0.5} )                   );
        assertEquals(new double[]{5.0,1.5,4.0}, ArrayPractice.combineArrays( new double[]{2.0,3.0,4.0}, new double[]{2.5,0.5} )                   );
        assertEquals(new double[]{5.0,1.5,4.0}, ArrayPractice.combineArrays( new double[]{2.0,3.0}, new double[]{2.5,0.5,4.0} )                   );
        assertEquals(new double[]{1,2,3,4,5,6}, ArrayPractice.combineArrays( new double[]{}, new double[]{1,2,3,4,5,6} )        );
        assertEquals(new double[]{1,2,3,4,5,6}, ArrayPractice.combineArrays(  new double[]{1,2,3,4,5,6}, new double[]{})        );
    }
 
    static void testDigitsGoLast() {
        printTestMsg("digitsGoLast");
        assertEquals(new char[]{}, ArrayPractice.digitsGoLast(new char[]{})               );
        assertEquals(new char[]{'4'}, ArrayPractice.digitsGoLast(new char[]{'4'})            );
        assertEquals(new char[]{'a'}, ArrayPractice.digitsGoLast(new char[]{'a'})            );
        assertEquals(new char[]{'a','b'}, ArrayPractice.digitsGoLast(new char[]{'a','b'})            );
        assertEquals(new char[]{'7','4'}, ArrayPractice.digitsGoLast(new char[]{'7','4'})            );
        assertEquals(new char[]{'a','4'}, ArrayPractice.digitsGoLast(new char[]{'4','a'})            );
        assertEquals(new char[]{'^','4'}, ArrayPractice.digitsGoLast(new char[]{'4','^'})            );
        assertEquals(new char[]{'3','4','5'}, ArrayPractice.digitsGoLast(new char[]{'3','4','5'})          );
        assertEquals(new char[]{'N','o','d','i','g','s'}, ArrayPractice.digitsGoLast(new char[]{'N','o','d','i','g','s'})    );
        assertEquals(new char[]{'A','B','C','D','1','2'}, ArrayPractice.digitsGoLast(new char[]{'A','B','1','C','2','D'})    );
        assertEquals(new char[]{'A','B','C','D','9','8','7','6'}, ArrayPractice.digitsGoLast(new char[]{'A','9','B','8','7','C','6','D'}));
    }
 
    static void testChangeMaxesToMin() {
        printTestMsg("changeMaxesToMin");
        int[] testData;
        // testing with mutation takes extra steps.
        
        testData = new int[]{};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( testData, new int[]{});

        testData = new int[]{22};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{22}, testData );

        testData = new int[]{22,22};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{22,22}, testData );

        testData = new int[]{1,2};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{1,1}, testData );

        testData = new int[]{2,1};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{1,1}, testData );

        testData = new int[]{22,1,22};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{1,1,1}, testData );

        testData = new int[]{22,1,1};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{1,1,1}, testData );

        testData = new int[]{5,3,8,8,7};
        ArrayPractice.changeMaxesToMin( testData );
        assertEquals( new int[]{5,3,3,3,7}, testData );
    }
    
    
    static void testAll() {
        testIsTeency();
        testAllTeency();
        testFilterTeencies();
        testWhichOnesAreTeency();
        testIsTeency();
        testCombineArrays();
        testDigitsGoLast();
        testChangeMaxesToMin();
        printTestSummary();
    }
    
    public static void main( String[] args ) {
        testAll();
    }

}