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Add tests for Awaited<null> and Awaited<undefined> #52960

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Merged
merged 1 commit into from
Mar 1, 2023
Merged

Add tests for Awaited<null> and Awaited<undefined> #52960

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6 changes: 5 additions & 1 deletion tests/baselines/reference/awaitedType.errors.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
tests/cases/compiler/awaitedType.ts(18,12): error TS2589: Type instantiation is excessively deep and possibly infinite.
tests/cases/compiler/awaitedType.ts(22,12): error TS2589: Type instantiation is excessively deep and possibly infinite.
tests/cases/compiler/awaitedType.ts(26,12): error TS2589: Type instantiation is excessively deep and possibly infinite.


==== tests/cases/compiler/awaitedType.ts (2 errors) ====
Expand All @@ -19,6 +19,10 @@ tests/cases/compiler/awaitedType.ts(22,12): error TS2589: Type instantiation is
type T14 = _Expect<Awaited<Promise<Promise<number>> | string | undefined>, /*expected*/ string | number | undefined>; // otherwise just prints T14 in types tests, which isn't very helpful
type T15 = _Expect<Awaited<Promise<Promise<number>> | string | null | undefined>, /*expected*/ string | number | null | undefined>; // otherwise just prints T15 in types tests, which isn't very helpful

type TUndefined = Awaited<undefined>;
type TNull = Awaited<null>;
type TNullOrUndefined = Awaited<null | undefined>;

interface BadPromise { then(cb: (value: BadPromise) => void): void; }
type T16 = Awaited<BadPromise>; // error
~~~~~~~~~~~~~~~~~~~
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4 changes: 4 additions & 0 deletions tests/baselines/reference/awaitedType.js
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Expand Up @@ -15,6 +15,10 @@ type T13 = _Expect<Awaited<Promise<Promise<number>> | string | null>, /*expected
type T14 = _Expect<Awaited<Promise<Promise<number>> | string | undefined>, /*expected*/ string | number | undefined>; // otherwise just prints T14 in types tests, which isn't very helpful
type T15 = _Expect<Awaited<Promise<Promise<number>> | string | null | undefined>, /*expected*/ string | number | null | undefined>; // otherwise just prints T15 in types tests, which isn't very helpful

type TUndefined = Awaited<undefined>;
type TNull = Awaited<null>;
type TNullOrUndefined = Awaited<null | undefined>;

interface BadPromise { then(cb: (value: BadPromise) => void): void; }
type T16 = Awaited<BadPromise>; // error

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348 changes: 180 additions & 168 deletions tests/baselines/reference/awaitedType.symbols
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11 changes: 11 additions & 0 deletions tests/baselines/reference/awaitedType.types
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Expand Up @@ -54,6 +54,17 @@ type T15 = _Expect<Awaited<Promise<Promise<number>> | string | null | undefined>
>null : null
>null : null

type TUndefined = Awaited<undefined>;
>TUndefined : undefined

type TNull = Awaited<null>;
>TNull : null
>null : null

type TNullOrUndefined = Awaited<null | undefined>;
>TNullOrUndefined : null
>null : null

interface BadPromise { then(cb: (value: BadPromise) => void): void; }
>then : (cb: (value: BadPromise) => void) => void
>cb : (value: BadPromise) => void
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6 changes: 5 additions & 1 deletion tests/baselines/reference/awaitedTypeStrictNull.errors.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
tests/cases/compiler/awaitedTypeStrictNull.ts(18,12): error TS2589: Type instantiation is excessively deep and possibly infinite.
tests/cases/compiler/awaitedTypeStrictNull.ts(22,12): error TS2589: Type instantiation is excessively deep and possibly infinite.
tests/cases/compiler/awaitedTypeStrictNull.ts(26,12): error TS2589: Type instantiation is excessively deep and possibly infinite.


==== tests/cases/compiler/awaitedTypeStrictNull.ts (2 errors) ====
Expand All @@ -19,6 +19,10 @@ tests/cases/compiler/awaitedTypeStrictNull.ts(22,12): error TS2589: Type instant
type T14 = _Expect<Awaited<Promise<Promise<number>> | string | undefined>, /*expected*/ string | number | undefined>; // otherwise just prints T14 in types tests, which isn't very helpful
type T15 = _Expect<Awaited<Promise<Promise<number>> | string | null | undefined>, /*expected*/ string | number | null | undefined>; // otherwise just prints T15 in types tests, which isn't very helpful

type TUndefined = Awaited<undefined>;
type TNull = Awaited<null>;
type TNullOrUndefined = Awaited<null | undefined>;

interface BadPromise { then(cb: (value: BadPromise) => void): void; }
type T16 = Awaited<BadPromise>; // error
~~~~~~~~~~~~~~~~~~~
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4 changes: 4 additions & 0 deletions tests/baselines/reference/awaitedTypeStrictNull.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ type T13 = _Expect<Awaited<Promise<Promise<number>> | string | null>, /*expected
type T14 = _Expect<Awaited<Promise<Promise<number>> | string | undefined>, /*expected*/ string | number | undefined>; // otherwise just prints T14 in types tests, which isn't very helpful
type T15 = _Expect<Awaited<Promise<Promise<number>> | string | null | undefined>, /*expected*/ string | number | null | undefined>; // otherwise just prints T15 in types tests, which isn't very helpful

type TUndefined = Awaited<undefined>;
type TNull = Awaited<null>;
type TNullOrUndefined = Awaited<null | undefined>;

interface BadPromise { then(cb: (value: BadPromise) => void): void; }
type T16 = Awaited<BadPromise>; // error

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