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QUnit.extend( QUnit, {
/**
* Checks that the first two arguments are equal, or are numbers close enough to be considered equal
* based on a specified maximum allowable difference.
*
* @example close(3.141, Math.PI, 0.001);
*
* @param Number actual
* @param Number expected
* @param Number maxDifference (the maximum inclusive difference allowed between the actual and expected numbers)
* @param String message (optional)
*/
close: function(actual, expected, maxDifference, message) {
var passes = (actual === expected) || Math.abs(actual - expected) <= maxDifference;
QUnit.push(passes, actual, expected, message);
},
/**
* Checks that the first two arguments are numbers with differences greater than the specified
* minimum difference.
*
* @example notClose(3.1, Math.PI, 0.001);
*
* @param Number actual
* @param Number expected
* @param Number minDifference (the minimum exclusive difference allowed between the actual and expected numbers)
* @param String message (optional)
*/
notClose: function(actual, expected, minDifference, message) {
QUnit.push(Math.abs(actual - expected) > minDifference, actual, expected, message);
}
});
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