a4f9bf0fce
* Create type aliases for unresolved type symbols * Accept new baselines * Update fourslash tests * Unresolved import aliases create tagged unresolved symbols * Add comments * Accept new baselines * Add fourslash tests
72 lines
4.2 KiB
Plaintext
72 lines
4.2 KiB
Plaintext
=== tests/cases/compiler/assertionFunctionsCanNarrowByDiscriminant.ts ===
|
|
interface Cat {
|
|
>Cat : Symbol(Cat, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 0))
|
|
|
|
type: 'cat';
|
|
>type : Symbol(Cat.type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 15))
|
|
|
|
canMeow: true;
|
|
>canMeow : Symbol(Cat.canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 1, 16))
|
|
}
|
|
|
|
interface Dog {
|
|
>Dog : Symbol(Dog, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 3, 1))
|
|
|
|
type: 'dog';
|
|
>type : Symbol(Dog.type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 5, 15))
|
|
|
|
canBark: true;
|
|
>canBark : Symbol(Dog.canBark, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 6, 16))
|
|
}
|
|
|
|
type Animal = Cat | Dog;
|
|
>Animal : Symbol(Animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 8, 1))
|
|
>Cat : Symbol(Cat, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 0))
|
|
>Dog : Symbol(Dog, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 3, 1))
|
|
|
|
declare function assertEqual<T>(value: any, type: T): asserts value is T;
|
|
>assertEqual : Symbol(assertEqual, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 10, 24))
|
|
>T : Symbol(T, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 29))
|
|
>value : Symbol(value, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 32))
|
|
>type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 43))
|
|
>T : Symbol(T, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 29))
|
|
>value : Symbol(value, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 32))
|
|
>T : Symbol(T, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 12, 29))
|
|
|
|
const animal = { type: 'cat', canMeow: true } as Animal;
|
|
>animal : Symbol(animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 14, 5))
|
|
>type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 14, 16))
|
|
>canMeow : Symbol(canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 14, 29))
|
|
>Animal : Symbol(Animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 8, 1))
|
|
|
|
assertEqual(animal.type, 'cat' as const);
|
|
>assertEqual : Symbol(assertEqual, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 10, 24))
|
|
>animal.type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 15), Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 5, 15))
|
|
>animal : Symbol(animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 14, 5))
|
|
>type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 15), Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 5, 15))
|
|
>const : Symbol(const)
|
|
|
|
animal.canMeow; // since is cat, should not be an error
|
|
>animal.canMeow : Symbol(Cat.canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 1, 16))
|
|
>animal : Symbol(animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 14, 5))
|
|
>canMeow : Symbol(Cat.canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 1, 16))
|
|
|
|
const animalOrUndef = { type: 'cat', canMeow: true } as Animal | undefined;
|
|
>animalOrUndef : Symbol(animalOrUndef, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 19, 5))
|
|
>type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 19, 23))
|
|
>canMeow : Symbol(canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 19, 36))
|
|
>Animal : Symbol(Animal, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 8, 1))
|
|
|
|
assertEqual(animalOrUndef?.type, 'cat' as const);
|
|
>assertEqual : Symbol(assertEqual, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 10, 24))
|
|
>animalOrUndef?.type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 15), Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 5, 15))
|
|
>animalOrUndef : Symbol(animalOrUndef, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 19, 5))
|
|
>type : Symbol(type, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 0, 15), Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 5, 15))
|
|
>const : Symbol(const)
|
|
|
|
animalOrUndef.canMeow; // since is cat, should not be an error
|
|
>animalOrUndef.canMeow : Symbol(Cat.canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 1, 16))
|
|
>animalOrUndef : Symbol(animalOrUndef, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 19, 5))
|
|
>canMeow : Symbol(Cat.canMeow, Decl(assertionFunctionsCanNarrowByDiscriminant.ts, 1, 16))
|
|
|