16450a027a
* Change the default type parameter constraint and default to unknown from {}
* Relax unknown checking outside of strictNullChecks a bit
* Increase strictness on index signatures with type `unknown` so inference doesnt change surprisingly
* Remove redundant switch
39 lines
2 KiB
TypeScript
39 lines
2 KiB
TypeScript
/// <reference path='fourslash.ts'/>
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// @Filename: genericFunctionSignatureHelp_0.ts
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////function foo1<T>(x: number, callback: (y1: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_1.ts
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////function foo2<T>(x: number, callback: (y2: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_2.ts
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////function foo3<T>(x: number, callback: (y3: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_3.ts
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////function foo4<T>(x: number, callback: (y4: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_4.ts
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////function foo5<T>(x: number, callback: (y5: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_5.ts
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////function foo6<T>(x: number, callback: (y6: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_6.ts
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////function foo7<T>(x: number, callback: (y7: T) => number) { }
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// @Filename: genericFunctionSignatureHelp_7.ts
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////foo1(/*1*/ // signature help shows y as T
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////foo2(1,/*2*/ // signature help shows y as {}
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////foo3(1, (/*3*/ // signature help shows y as T
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////foo4<string>(1,/*4*/ // signature help shows y as string
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////foo5<string>(1, (/*5*/ // signature help shows y as T
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////foo6(1, </*6*/ // signature help shows y as {}
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////foo7(1, <string>(/*7*/ // signature help shows y as T
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verify.signatureHelp(
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{ marker: "1", text: "foo1(x: number, callback: (y1: unknown) => number): void" },
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{ marker: "2", text: "foo2(x: number, callback: (y2: unknown) => number): void" },
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{ marker: "3", text: "callback(y3: unknown): number" },
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{ marker: "4", text: "foo4(x: number, callback: (y4: string) => number): void" },
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{ marker: "5", text: "callback(y5: string): number" },
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);
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goTo.marker('6');
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verify.signatureHelp({ text: "foo6(x: number, callback: (y6: unknown) => number): void" });
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edit.insert('string>(null,null);'); // need to make this line parse so we can get reasonable LS answers to later tests
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verify.signatureHelp({ marker: "7", text: "foo7(x: number, callback: (y7: unknown) => number): void" })
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