Add extra tests for inference with any co-inference with a different contra-inference (#57917)

2026-02-04 12:32:08 -06:00 · 2024-03-25 21:08:12 +01:00 · 2024-03-25 21:08:12 +01:00 · 0e0975d1cf
commit 0e0975d1cf
parent d660bab254
4 changed files with 279 additions and 0 deletions
--- a/tests/baselines/reference/coAndContraVariantInferences6.errors.txt
+++ b/tests/baselines/reference/coAndContraVariantInferences6.errors.txt
@ -0,0 +1,45 @@
+coAndContraVariantInferences6.ts(34,42): error TS2322: Type '"C"' is not assignable to type '"A" | "B"'.
+
+
+==== coAndContraVariantInferences6.ts (1 errors) ====
+    // https://github.com/microsoft/TypeScript/issues/57911
+    
+    interface ExactProps {
+      value: "A" | "B";
+    }
+    interface FunctionComponent<P = {}> {
+      (props: P): ReactElement<any> | null;
+    }
+    declare class Component<P> {
+      constructor(props: P);
+    }
+    interface ComponentClass<P = {}> {
+      new (props: P): Component<P>;
+    }
+    
+    interface ReactElement<
+      T extends string | JSXElementConstructor<any> =
+        | string
+        | JSXElementConstructor<any>,
+    > {
+      type: T;
+    }
+    
+    type JSXElementConstructor<P> =
+      | ((props: P) => ReactElement<any> | null)
+      | (new (props: P) => Component<any>);
+    
+    declare function createElementIsolated<P extends {}>(
+      type: FunctionComponent<P> | ComponentClass<P> | string,
+      props?: P | null,
+    ): void;
+    
+    declare let WrapperIsolated: JSXElementConstructor<ExactProps>;
+    createElementIsolated(WrapperIsolated, { value: "C" });
+                                             ~~~~~
+!!! error TS2322: Type '"C"' is not assignable to type '"A" | "B"'.
+    
+    declare const props: any[];
+    declare const stat: any;
+    [].push.apply(props, stat.properties);
+    
--- a/tests/baselines/reference/coAndContraVariantInferences6.symbols
+++ b/tests/baselines/reference/coAndContraVariantInferences6.symbols
@ -0,0 +1,111 @@
+//// [tests/cases/compiler/coAndContraVariantInferences6.ts] ////
+
+=== coAndContraVariantInferences6.ts ===
+// https://github.com/microsoft/TypeScript/issues/57911
+
+interface ExactProps {
+>ExactProps : Symbol(ExactProps, Decl(coAndContraVariantInferences6.ts, 0, 0))
+
+  value: "A" | "B";
+>value : Symbol(ExactProps.value, Decl(coAndContraVariantInferences6.ts, 2, 22))
+}
+interface FunctionComponent<P = {}> {
+>FunctionComponent : Symbol(FunctionComponent, Decl(coAndContraVariantInferences6.ts, 4, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 5, 28))
+
+  (props: P): ReactElement<any> | null;
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 6, 3))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 5, 28))
+>ReactElement : Symbol(ReactElement, Decl(coAndContraVariantInferences6.ts, 13, 1))
+}
+declare class Component<P> {
+>Component : Symbol(Component, Decl(coAndContraVariantInferences6.ts, 7, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 8, 24))
+
+  constructor(props: P);
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 9, 14))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 8, 24))
+}
+interface ComponentClass<P = {}> {
+>ComponentClass : Symbol(ComponentClass, Decl(coAndContraVariantInferences6.ts, 10, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 11, 25))
+
+  new (props: P): Component<P>;
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 12, 7))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 11, 25))
+>Component : Symbol(Component, Decl(coAndContraVariantInferences6.ts, 7, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 11, 25))
+}
+
+interface ReactElement<
+>ReactElement : Symbol(ReactElement, Decl(coAndContraVariantInferences6.ts, 13, 1))
+
+  T extends string | JSXElementConstructor<any> =
+>T : Symbol(T, Decl(coAndContraVariantInferences6.ts, 15, 23))
+>JSXElementConstructor : Symbol(JSXElementConstructor, Decl(coAndContraVariantInferences6.ts, 21, 1))
+
+    | string
+    | JSXElementConstructor<any>,
+>JSXElementConstructor : Symbol(JSXElementConstructor, Decl(coAndContraVariantInferences6.ts, 21, 1))
+
+> {
+  type: T;
+>type : Symbol(ReactElement.type, Decl(coAndContraVariantInferences6.ts, 19, 3))
+>T : Symbol(T, Decl(coAndContraVariantInferences6.ts, 15, 23))
+}
+
+type JSXElementConstructor<P> =
+>JSXElementConstructor : Symbol(JSXElementConstructor, Decl(coAndContraVariantInferences6.ts, 21, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 23, 27))
+
+  | ((props: P) => ReactElement<any> | null)
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 24, 6))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 23, 27))
+>ReactElement : Symbol(ReactElement, Decl(coAndContraVariantInferences6.ts, 13, 1))
+
+  | (new (props: P) => Component<any>);
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 25, 10))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 23, 27))
+>Component : Symbol(Component, Decl(coAndContraVariantInferences6.ts, 7, 1))
+
+declare function createElementIsolated<P extends {}>(
+>createElementIsolated : Symbol(createElementIsolated, Decl(coAndContraVariantInferences6.ts, 25, 39))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 27, 39))
+
+  type: FunctionComponent<P> | ComponentClass<P> | string,
+>type : Symbol(type, Decl(coAndContraVariantInferences6.ts, 27, 53))
+>FunctionComponent : Symbol(FunctionComponent, Decl(coAndContraVariantInferences6.ts, 4, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 27, 39))
+>ComponentClass : Symbol(ComponentClass, Decl(coAndContraVariantInferences6.ts, 10, 1))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 27, 39))
+
+  props?: P | null,
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 28, 58))
+>P : Symbol(P, Decl(coAndContraVariantInferences6.ts, 27, 39))
+
+): void;
+
+declare let WrapperIsolated: JSXElementConstructor<ExactProps>;
+>WrapperIsolated : Symbol(WrapperIsolated, Decl(coAndContraVariantInferences6.ts, 32, 11))
+>JSXElementConstructor : Symbol(JSXElementConstructor, Decl(coAndContraVariantInferences6.ts, 21, 1))
+>ExactProps : Symbol(ExactProps, Decl(coAndContraVariantInferences6.ts, 0, 0))
+
+createElementIsolated(WrapperIsolated, { value: "C" });
+>createElementIsolated : Symbol(createElementIsolated, Decl(coAndContraVariantInferences6.ts, 25, 39))
+>WrapperIsolated : Symbol(WrapperIsolated, Decl(coAndContraVariantInferences6.ts, 32, 11))
+>value : Symbol(value, Decl(coAndContraVariantInferences6.ts, 33, 40))
+
+declare const props: any[];
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 35, 13))
+
+declare const stat: any;
+>stat : Symbol(stat, Decl(coAndContraVariantInferences6.ts, 36, 13))
+
+[].push.apply(props, stat.properties);
+>[].push.apply : Symbol(CallableFunction.apply, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>[].push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
+>push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
+>apply : Symbol(CallableFunction.apply, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>props : Symbol(props, Decl(coAndContraVariantInferences6.ts, 35, 13))
+>stat : Symbol(stat, Decl(coAndContraVariantInferences6.ts, 36, 13))
+
--- a/tests/baselines/reference/coAndContraVariantInferences6.types
+++ b/tests/baselines/reference/coAndContraVariantInferences6.types
@ -0,0 +1,82 @@
+//// [tests/cases/compiler/coAndContraVariantInferences6.ts] ////
+
+=== coAndContraVariantInferences6.ts ===
+// https://github.com/microsoft/TypeScript/issues/57911
+
+interface ExactProps {
+  value: "A" | "B";
+>value : "A" | "B"
+}
+interface FunctionComponent<P = {}> {
+  (props: P): ReactElement<any> | null;
+>props : P
+}
+declare class Component<P> {
+>Component : Component<P>
+
+  constructor(props: P);
+>props : P
+}
+interface ComponentClass<P = {}> {
+  new (props: P): Component<P>;
+>props : P
+}
+
+interface ReactElement<
+  T extends string | JSXElementConstructor<any> =
+    | string
+    | JSXElementConstructor<any>,
+> {
+  type: T;
+>type : T
+}
+
+type JSXElementConstructor<P> =
+>JSXElementConstructor : JSXElementConstructor<P>
+
+  | ((props: P) => ReactElement<any> | null)
+>props : P
+
+  | (new (props: P) => Component<any>);
+>props : P
+
+declare function createElementIsolated<P extends {}>(
+>createElementIsolated : <P extends {}>(type: FunctionComponent<P> | ComponentClass<P> | string, props?: P | null) => void
+
+  type: FunctionComponent<P> | ComponentClass<P> | string,
+>type : string | FunctionComponent<P> | ComponentClass<P>
+
+  props?: P | null,
+>props : P | null | undefined
+
+): void;
+
+declare let WrapperIsolated: JSXElementConstructor<ExactProps>;
+>WrapperIsolated : JSXElementConstructor<ExactProps>
+
+createElementIsolated(WrapperIsolated, { value: "C" });
+>createElementIsolated(WrapperIsolated, { value: "C" }) : void
+>createElementIsolated : <P extends {}>(type: string | FunctionComponent<P> | ComponentClass<P>, props?: P | null | undefined) => void
+>WrapperIsolated : JSXElementConstructor<ExactProps>
+>{ value: "C" } : { value: "C"; }
+>value : "C"
+>"C" : "C"
+
+declare const props: any[];
+>props : any[]
+
+declare const stat: any;
+>stat : any
+
+[].push.apply(props, stat.properties);
+>[].push.apply(props, stat.properties) : number
+>[].push.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T_1, A extends any[], R_1>(this: (this: T_1, ...args: A) => R_1, thisArg: T_1, args: A): R_1; }
+>[].push : (...items: never[]) => number
+>[] : never[]
+>push : (...items: never[]) => number
+>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T_1, A extends any[], R_1>(this: (this: T_1, ...args: A) => R_1, thisArg: T_1, args: A): R_1; }
+>props : any[]
+>stat.properties : any
+>stat : any
+>properties : any
+
--- a/tests/cases/compiler/coAndContraVariantInferences6.ts
+++ b/tests/cases/compiler/coAndContraVariantInferences6.ts
@ -0,0 +1,41 @@
+// @strict: true
+// @noEmit: true
+
+// https://github.com/microsoft/TypeScript/issues/57911
+
+interface ExactProps {
+  value: "A" | "B";
+}
+interface FunctionComponent<P = {}> {
+  (props: P): ReactElement<any> | null;
+}
+declare class Component<P> {
+  constructor(props: P);
+}
+interface ComponentClass<P = {}> {
+  new (props: P): Component<P>;
+}
+
+interface ReactElement<
+  T extends string | JSXElementConstructor<any> =
+    | string
+    | JSXElementConstructor<any>,
+> {
+  type: T;
+}
+
+type JSXElementConstructor<P> =
+  | ((props: P) => ReactElement<any> | null)
+  | (new (props: P) => Component<any>);
+
+declare function createElementIsolated<P extends {}>(
+  type: FunctionComponent<P> | ComponentClass<P> | string,
+  props?: P | null,
+): void;
+
+declare let WrapperIsolated: JSXElementConstructor<ExactProps>;
+createElementIsolated(WrapperIsolated, { value: "C" });
+
+declare const props: any[];
+declare const stat: any;
+[].push.apply(props, stat.properties);