// @flow // Boolean (the class) tests. booleans (the literals) are not part of core.js let tests = [ // constructor function() { new Boolean(); new Boolean(0); new Boolean(-0); new Boolean(null); new Boolean(false); new Boolean(NaN); new Boolean(undefined); new Boolean(""); }, // toString function() { (true).toString(); let x: boolean = false; x.toString(); (new Boolean(true)).toString(); }, // valueOf function() { ((new Boolean(0)).valueOf(): boolean); }, // casting function() { Boolean(); Boolean(0); Boolean(-0); Boolean(null); Boolean(false); Boolean(NaN); Boolean(undefined); Boolean(""); }, ];