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Add regression tests

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This commit is contained in:
Anders Hejlsberg 2019-07-12 17:57:05 -10:00
parent e0599fd19c
commit 044d70fc24
1 changed files with 34 additions and 0 deletions
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34
tests/cases/compiler/instantiateContextualTypes.ts
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@ -140,3 +140,37 @@ declare function passContentsToFunc<T>(outerBox: T, consumer: BoxConsumerFromOut
declare const outerBoxOfString: OuterBox<string>;
passContentsToFunc(outerBoxOfString, box => box.value);
// Repro from #32349
type DooDad = 'SOMETHING' | 'ELSE' ;
class Interesting {
public compiles = () : Promise<DooDad> => {
return Promise.resolve().then(() => {
if (1 < 2) {
return 'SOMETHING';
}
return 'ELSE';
});
};
public doesnt = () : Promise<DooDad> => {
return Promise.resolve().then(() => {
return 'ELSE';
});
};
public slightlyDifferentErrorMessage = () : Promise<DooDad> => {
return Promise.resolve().then(() => {
if (1 < 2) {
return 'SOMETHING';
}
return 'SOMETHING';
});
};
}
// Repro from #32349
declare function invoke<T>(f: () => T): T;
let xx: 0 | 1 | 2 = invoke(() => 1);