Files
jasmine/src/core/matchers/toBeNaN.js
2020-09-29 18:05:38 -07:00

32 lines
688 B
JavaScript

getJasmineRequireObj().toBeNaN = function(j$) {
/**
* {@link expect} the actual value to be `NaN` (Not a Number).
* @function
* @name matchers#toBeNaN
* @since 1.3.0
* @example
* expect(thing).toBeNaN();
*/
function toBeNaN(matchersUtil) {
return {
compare: function(actual) {
var result = {
pass: actual !== actual
};
if (result.pass) {
result.message = 'Expected actual not to be NaN.';
} else {
result.message = function() {
return 'Expected ' + matchersUtil.pp(actual) + ' to be NaN.';
};
}
return result;
}
};
}
return toBeNaN;
};