Add regression test

This commit is contained in:
Anders Hejlsberg 2019-03-01 16:34:23 -08:00
parent 3afe0a4d43
commit d9bb869341

View file

@ -0,0 +1,11 @@
// @strict: true
// Repro from #30171
interface Mock<Y extends any[]> extends Function {
(...args: Y): any;
}
type Tester = (opts: any, done: (...args: any[]) => any) => any;
declare function cases(tester: Tester): void;
declare function fn<Y extends any[]>(implementation?: (...args: Y) => any): Mock<Y>;
cases(fn(opts => { }));