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=== tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts ===
declare class Thenable { then(): void; }
>Thenable : Thenable
>then : () => void
declare let a: any;
>a : any
declare let obj: { then: string; };
>obj : { then: string; }
>then : string
declare let thenable: Thenable;
>thenable : Thenable
async function fn1() { } // valid: Promise<void>
>fn1 : () => Promise<void>
async function fn2(): { } { } // error
>fn2 : () => {}
async function fn3(): any { } // error
>fn3 : () => any
async function fn4(): number { } // error
>fn4 : () => number
async function fn5(): PromiseLike<void> { } // error
>fn5 : () => PromiseLike<void>
async function fn6(): Thenable { } // error
>fn6 : () => Thenable
async function fn7() { return; } // valid: Promise<void>
>fn7 : () => Promise<void>
async function fn8() { return 1; } // valid: Promise<number>
>fn8 : () => Promise<number>
>1 : 1
async function fn9() { return null; } // valid: Promise<any>
>fn9 : () => Promise<any>
>null : null
async function fn10() { return undefined; } // valid: Promise<any>
>fn10 : () => Promise<any>
>undefined : undefined
async function fn11() { return a; } // valid: Promise<any>
>fn11 : () => Promise<any>
>a : any
async function fn12() { return obj; } // valid: Promise<{ then: string; }>
>fn12 : () => Promise<{ then: string; }>
>obj : { then: string; }
async function fn13() { return thenable; } // error
>fn13 : () => Promise<any>
>thenable : Thenable
async function fn14() { await 1; } // valid: Promise<void>
>fn14 : () => Promise<void>
>await 1 : 1
>1 : 1
async function fn15() { await null; } // valid: Promise<void>
>fn15 : () => Promise<void>
>await null : null
>null : null
async function fn16() { await undefined; } // valid: Promise<void>
>fn16 : () => Promise<void>
>await undefined : undefined
>undefined : undefined
async function fn17() { await a; } // valid: Promise<void>
>fn17 : () => Promise<void>
>await a : any
>a : any
async function fn18() { await obj; } // valid: Promise<void>
>fn18 : () => Promise<void>
>await obj : { then: string; }
>obj : { then: string; }
async function fn19() { await thenable; } // error
>fn19 : () => Promise<void>
>await thenable : any
>thenable : Thenable
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