1 function datetuple(d) {

     2     return [d.getFullYear(), d.getMonth()+1, d.getDate(),

     3 	    d.getHours(), d.getMinutes()];

     4 }

     5 

     6 function pprint(obj) {

     7     print('{');

     8     for(k in obj) {

     9 	print('  ' + k + ' = ' + obj[k]);

    10     }

    11     print('}');

    12 }

    13 

    14 function arrayrepr(array) {

    15     return '[' + array.join(', ') + ']';

    16 }

    17 

    18 function assertArrayEquals(array1, array2) {

    19     if (array1.length != array2.length) {

    20 	throw new crosscheck.AssertionFailure(array1.join(', ') + ' != ' + array2.join(', '));

    21     }

    22     for (var i=0; i<array1.length; i++) {

    23 	if (array1[i] != array2[i]) {

    24 

    25 	    throw new crosscheck.AssertionFailure(arrayrepr(array1) + ' and ' + arrayrepr(array2)

    26 						 + ' differs at index ' + i);

    27 	}

    28     }

    29 }