TypeScript/tests/cases/compiler/castExpressionParentheses.ts

50 lines
894 B
TypeScript

declare var a;
// parentheses should be omitted
// literals
(<any>{a:0});
(<any>[1,3,]);
(<any>"string");
(<any>23.0);
(<any>1);
(<any>1.);
(<any>1.0);
(<any>12e+34);
(<any>0xff);
(<any>/regexp/g);
(<any>false);
(<any>true);
(<any>null);
// names and dotted names
(<any>this);
(<any>this.x);
(<any>(<any>a).x);
(<any><any>a);
(<any>a[0]);
(<any>a.b["0"]);
(<any>a()).x;
declare var A;
// should keep the parentheses in emit
(<any>1).foo;
(<any>1.).foo;
(<any>1.0).foo;
(<any>12e+34).foo;
(<any>0xff).foo;
(<any>(1.0));
(<any>new A).foo;
(<any>typeof A).x;
(<any>-A).x;
new (<any>A());
(<Tany>()=> {})();
(<any>function foo() { })();
(<any><number><any>-A).x;
// nested cast, should keep one pair of parenthese
(<any><number>(<any>-A)).x;
// nested parenthesized expression, should keep one pair of parenthese
(<any>(A))