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Contents
/*!
* Should
* Copyright(c) 2010-2014 TJ Holowaychuk <tj@vision-media.ca>
* MIT Licensed
*/
module.exports = function(should, Assertion) {
Assertion.add('NaN', function() {
this.params = { operator: 'to be NaN' };
this.is.a.Number
.and.assert(isNaN(this.obj));
}, true);
Assertion.add('Infinity', function() {
this.params = { operator: 'to be Infinity' };
this.is.a.Number
.and.not.a.NaN
.and.assert(!isFinite(this.obj));
}, true);
Assertion.add('within', function(start, finish, description) {
this.params = { operator: 'to be within ' + start + '..' + finish, message: description };
this.assert(this.obj >= start && this.obj <= finish);
});
Assertion.add('approximately', function(value, delta, description) {
this.params = { operator: 'to be approximately ' + value + " ±" + delta, message: description };
this.assert(Math.abs(this.obj - value) <= delta);
});
Assertion.add('above', function(n, description) {
this.params = { operator: 'to be above ' + n, message: description };
this.assert(this.obj > n);
});
Assertion.add('below', function(n, description) {
this.params = { operator: 'to be below ' + n, message: description };
this.assert(this.obj < n);
});
Assertion.alias('above', 'greaterThan');
Assertion.alias('below', 'lessThan');
};
Version data entries
16 entries across 16 versions & 1 rubygems