node-vitals
Version:
Do more with less. A simple, high-performing, functional JavaScript library.
55 lines (45 loc) • 1.57 kB
JavaScript
/**
* -----------------------------------------------------------------------------
* VITALS UNIT TESTS: vitals.is.nan
* -----------------------------------------------------------------------------
* @section base
* @see [vitals.is docs](https://github.com/imaginate/vitals/wiki/vitals.is)
* @see [test api](https://github.com/imaginate/vitals/blob/master/test/setup/interface.js)
* @see [test helpers](https://github.com/imaginate/vitals/blob/master/test/setup/helpers.js)
*
* @author Adam Smith <adam@imaginate.life> (https://github.com/imaginate)
* @copyright 2017 Adam A Smith <adam@imaginate.life> (https://github.com/imaginate)
*
* Annotations:
* @see [JSDoc3](http://usejsdoc.org)
* @see [Closure Compiler JSDoc Syntax](https://developers.google.com/closure/compiler/docs/js-for-compiler)
*/
method('is.nan', function() {
should('return true', function() {
test(NaN, function() {
var result = vitals.is.nan(NaN);
assert( result === true );
});
test(NaN, NaN, NaN, function() {
var result = vitals.is.nan(NaN, NaN, NaN);
assert( result === true );
});
});
should('return false', function() {
test(0, function() {
var result = vitals.is.nan(0);
assert( result === false );
});
test(NaN, NaN, null, function() {
var result = vitals.is.nan(NaN, NaN, null);
assert( result === false );
});
});
should('throw an error', function() {
test(function() {
assert.throws(function() {
vitals.is.nan();
}, validErr);
});
});
});