Test cases for contextual typing of union type members

This commit is contained in:
Sheetal Nandi
2014-11-04 13:33:43 -08:00
parent 2b701963ee
commit c5b4051f3a
6 changed files with 1068 additions and 0 deletions

View File

@@ -0,0 +1,207 @@
//// [contextualTypeWithUnionTypeMembers.ts]
//When used as a contextual type, a union type U has those members that are present in any of
// its constituent types, with types that are unions of the respective members in the constituent types.
interface I1<T> {
commonMethodType(a: string): string;
commonPropertyType: string;
commonMethodWithTypeParameter(a: T): T;
methodOnlyInI1(a: string): string;
propertyOnlyInI1: string;
}
interface I2<T> {
commonMethodType(a: string): string;
commonPropertyType: string;
commonMethodWithTypeParameter(a: T): T;
methodOnlyInI2(a: string): string;
propertyOnlyInI2: string;
}
// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1: I1<number>;
var i2: I2<number>;
var i1Ori2: I1<number> | I2<number> = i1;
var i1Ori2: I1<number> | I2<number> = i2;
var i1Ori2: I1<number> | I2<number> = { // Like i1
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i2
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i1 and i2 both
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
};
var arrayI1OrI2: Array<I1<number> | I2<number>> = [i1, i2, { // Like i1
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
},
{ // Like i2
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
}, { // Like i1 and i2 both
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
}];
interface I11 {
commonMethodDifferentReturnType(a: string, b: number): string;
commonPropertyDifferentType: string;
}
interface I21 {
commonMethodDifferentReturnType(a: string, b: number): number;
commonPropertyDifferentType: number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = {
// Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello",
};
var i11Ori21: I11 | I21 = {
// Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10,
};
var arrayOrI11OrI21: Array<I11 | I21> = [i11, i21, i11 || i21, {
// Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello",
}, {
// Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10,
}];
//// [contextualTypeWithUnionTypeMembers.js]
// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1;
var i2;
var i1Ori2 = i1;
var i1Ori2 = i2;
var i1Ori2 = {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI1: function (a) { return a; },
propertyOnlyInI1: "Hello"
};
var i1Ori2 = {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI2: function (a) { return a; },
propertyOnlyInI2: "Hello"
};
var i1Ori2 = {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI1: function (a) { return a; },
propertyOnlyInI1: "Hello",
methodOnlyInI2: function (a) { return a; },
propertyOnlyInI2: "Hello"
};
var arrayI1OrI2 = [i1, i2, {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI1: function (a) { return a; },
propertyOnlyInI1: "Hello"
}, {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI2: function (a) { return a; },
propertyOnlyInI2: "Hello"
}, {
commonPropertyType: "hello",
commonMethodType: function (a) { return a; },
commonMethodWithTypeParameter: function (a) { return a; },
methodOnlyInI1: function (a) { return a; },
propertyOnlyInI1: "Hello",
methodOnlyInI2: function (a) { return a; },
propertyOnlyInI2: "Hello"
}];
var i11;
var i21;
var i11Ori21 = i11;
var i11Ori21 = i21;
var i11Ori21 = {
// Like i1
commonMethodDifferentReturnType: function (a, b) {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello"
};
var i11Ori21 = {
// Like i2
commonMethodDifferentReturnType: function (a, b) {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10
};
var arrayOrI11OrI21 = [i11, i21, i11 || i21, {
// Like i1
commonMethodDifferentReturnType: function (a, b) {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello"
}, {
// Like i2
commonMethodDifferentReturnType: function (a, b) {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10
}];

View File

@@ -0,0 +1,438 @@
=== tests/cases/conformance/types/union/contextualTypeWithUnionTypeMembers.ts ===
//When used as a contextual type, a union type U has those members that are present in any of
// its constituent types, with types that are unions of the respective members in the constituent types.
interface I1<T> {
>I1 : I1<T>
>T : T
commonMethodType(a: string): string;
>commonMethodType : (a: string) => string
>a : string
commonPropertyType: string;
>commonPropertyType : string
commonMethodWithTypeParameter(a: T): T;
>commonMethodWithTypeParameter : (a: T) => T
>a : T
>T : T
>T : T
methodOnlyInI1(a: string): string;
>methodOnlyInI1 : (a: string) => string
>a : string
propertyOnlyInI1: string;
>propertyOnlyInI1 : string
}
interface I2<T> {
>I2 : I2<T>
>T : T
commonMethodType(a: string): string;
>commonMethodType : (a: string) => string
>a : string
commonPropertyType: string;
>commonPropertyType : string
commonMethodWithTypeParameter(a: T): T;
>commonMethodWithTypeParameter : (a: T) => T
>a : T
>T : T
>T : T
methodOnlyInI2(a: string): string;
>methodOnlyInI2 : (a: string) => string
>a : string
propertyOnlyInI2: string;
>propertyOnlyInI2 : string
}
// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1: I1<number>;
>i1 : I1<number>
>I1 : I1<T>
var i2: I2<number>;
>i2 : I2<number>
>I2 : I2<T>
var i1Ori2: I1<number> | I2<number> = i1;
>i1Ori2 : I1<number> | I2<number>
>I1 : I1<T>
>I2 : I2<T>
>i1 : I1<number>
var i1Ori2: I1<number> | I2<number> = i2;
>i1Ori2 : I1<number> | I2<number>
>I1 : I1<T>
>I2 : I2<T>
>i2 : I2<number>
var i1Ori2: I1<number> | I2<number> = { // Like i1
>i1Ori2 : I1<number> | I2<number>
>I1 : I1<T>
>I2 : I2<T>
>{ // Like i1 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello",} : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI1: (a: string) => string; propertyOnlyInI1: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI1: a => a,
>methodOnlyInI1 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI1: "Hello",
>propertyOnlyInI1 : string
};
var i1Ori2: I1<number> | I2<number> = { // Like i2
>i1Ori2 : I1<number> | I2<number>
>I1 : I1<T>
>I2 : I2<T>
>{ // Like i2 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI2: a => a, propertyOnlyInI2: "Hello",} : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI2: (a: string) => string; propertyOnlyInI2: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI2: a => a,
>methodOnlyInI2 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI2: "Hello",
>propertyOnlyInI2 : string
};
var i1Ori2: I1<number> | I2<number> = { // Like i1 and i2 both
>i1Ori2 : I1<number> | I2<number>
>I1 : I1<T>
>I2 : I2<T>
>{ // Like i1 and i2 both commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello", methodOnlyInI2: a => a, propertyOnlyInI2: "Hello",} : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI1: (a: string) => string; propertyOnlyInI1: string; methodOnlyInI2: (a: string) => string; propertyOnlyInI2: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI1: a => a,
>methodOnlyInI1 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI1: "Hello",
>propertyOnlyInI1 : string
methodOnlyInI2: a => a,
>methodOnlyInI2 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI2: "Hello",
>propertyOnlyInI2 : string
};
var arrayI1OrI2: Array<I1<number> | I2<number>> = [i1, i2, { // Like i1
>arrayI1OrI2 : (I1<number> | I2<number>)[]
>Array : T[]
>I1 : I1<T>
>I2 : I2<T>
>[i1, i2, { // Like i1 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello", }, { // Like i2 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI2: a => a, propertyOnlyInI2: "Hello", }, { // Like i1 and i2 both commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello", methodOnlyInI2: a => a, propertyOnlyInI2: "Hello", }] : (I1<number> | I2<number>)[]
>i1 : I1<number>
>i2 : I2<number>
>{ // Like i1 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello", } : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI1: (a: string) => string; propertyOnlyInI1: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI1: a => a,
>methodOnlyInI1 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI1: "Hello",
>propertyOnlyInI1 : string
},
{ // Like i2
>{ // Like i2 commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI2: a => a, propertyOnlyInI2: "Hello", } : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI2: (a: string) => string; propertyOnlyInI2: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI2: a => a,
>methodOnlyInI2 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI2: "Hello",
>propertyOnlyInI2 : string
}, { // Like i1 and i2 both
>{ // Like i1 and i2 both commonPropertyType: "hello", commonMethodType: a=> a, commonMethodWithTypeParameter: a => a, methodOnlyInI1: a => a, propertyOnlyInI1: "Hello", methodOnlyInI2: a => a, propertyOnlyInI2: "Hello", } : { commonPropertyType: string; commonMethodType: (a: string) => string; commonMethodWithTypeParameter: (a: number) => number; methodOnlyInI1: (a: string) => string; propertyOnlyInI1: string; methodOnlyInI2: (a: string) => string; propertyOnlyInI2: string; }
commonPropertyType: "hello",
>commonPropertyType : string
commonMethodType: a=> a,
>commonMethodType : (a: string) => string
>a=> a : (a: string) => string
>a : string
>a : string
commonMethodWithTypeParameter: a => a,
>commonMethodWithTypeParameter : (a: number) => number
>a => a : (a: number) => number
>a : number
>a : number
methodOnlyInI1: a => a,
>methodOnlyInI1 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI1: "Hello",
>propertyOnlyInI1 : string
methodOnlyInI2: a => a,
>methodOnlyInI2 : (a: string) => string
>a => a : (a: string) => string
>a : string
>a : string
propertyOnlyInI2: "Hello",
>propertyOnlyInI2 : string
}];
interface I11 {
>I11 : I11
commonMethodDifferentReturnType(a: string, b: number): string;
>commonMethodDifferentReturnType : (a: string, b: number) => string
>a : string
>b : number
commonPropertyDifferentType: string;
>commonPropertyDifferentType : string
}
interface I21 {
>I21 : I21
commonMethodDifferentReturnType(a: string, b: number): number;
>commonMethodDifferentReturnType : (a: string, b: number) => number
>a : string
>b : number
commonPropertyDifferentType: number;
>commonPropertyDifferentType : number
}
var i11: I11;
>i11 : I11
>I11 : I11
var i21: I21;
>i21 : I21
>I21 : I21
var i11Ori21: I11 | I21 = i11;
>i11Ori21 : I11 | I21
>I11 : I11
>I21 : I21
>i11 : I11
var i11Ori21: I11 | I21 = i21;
>i11Ori21 : I11 | I21
>I11 : I11
>I21 : I21
>i21 : I21
var i11Ori21: I11 | I21 = {
>i11Ori21 : I11 | I21
>I11 : I11
>I21 : I21
>{ // Like i1 commonMethodDifferentReturnType: (a, b) => { var z = a.charAt(b); return z; }, commonPropertyDifferentType: "hello", } : { commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: string; }
// Like i1
commonMethodDifferentReturnType: (a, b) => {
>commonMethodDifferentReturnType : (a: any, b: any) => any
>(a, b) => { var z = a.charAt(b); return z; } : (a: any, b: any) => any
>a : any
>b : any
var z = a.charAt(b);
>z : any
>a.charAt(b) : any
>a.charAt : any
>a : any
>charAt : any
>b : any
return z;
>z : any
},
commonPropertyDifferentType: "hello",
>commonPropertyDifferentType : string
};
var i11Ori21: I11 | I21 = {
>i11Ori21 : I11 | I21
>I11 : I11
>I21 : I21
>{ // Like i2 commonMethodDifferentReturnType: (a, b) => { var z = a.charCodeAt(b); return z; }, commonPropertyDifferentType: 10,} : { commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: number; }
// Like i2
commonMethodDifferentReturnType: (a, b) => {
>commonMethodDifferentReturnType : (a: any, b: any) => any
>(a, b) => { var z = a.charCodeAt(b); return z; } : (a: any, b: any) => any
>a : any
>b : any
var z = a.charCodeAt(b);
>z : any
>a.charCodeAt(b) : any
>a.charCodeAt : any
>a : any
>charCodeAt : any
>b : any
return z;
>z : any
},
commonPropertyDifferentType: 10,
>commonPropertyDifferentType : number
};
var arrayOrI11OrI21: Array<I11 | I21> = [i11, i21, i11 || i21, {
>arrayOrI11OrI21 : (I11 | I21)[]
>Array : T[]
>I11 : I11
>I21 : I21
>[i11, i21, i11 || i21, { // Like i1 commonMethodDifferentReturnType: (a, b) => { var z = a.charAt(b); return z; }, commonPropertyDifferentType: "hello", }, { // Like i2 commonMethodDifferentReturnType: (a, b) => { var z = a.charCodeAt(b); return z; }, commonPropertyDifferentType: 10, }] : ({ commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: string; } | { commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: number; })[]
>i11 : I11
>i21 : I21
>i11 || i21 : I11 | I21
>i11 : I11
>i21 : I21
>{ // Like i1 commonMethodDifferentReturnType: (a, b) => { var z = a.charAt(b); return z; }, commonPropertyDifferentType: "hello", } : { commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: string; }
// Like i1
commonMethodDifferentReturnType: (a, b) => {
>commonMethodDifferentReturnType : (a: any, b: any) => any
>(a, b) => { var z = a.charAt(b); return z; } : (a: any, b: any) => any
>a : any
>b : any
var z = a.charAt(b);
>z : any
>a.charAt(b) : any
>a.charAt : any
>a : any
>charAt : any
>b : any
return z;
>z : any
},
commonPropertyDifferentType: "hello",
>commonPropertyDifferentType : string
}, {
>{ // Like i2 commonMethodDifferentReturnType: (a, b) => { var z = a.charCodeAt(b); return z; }, commonPropertyDifferentType: 10, } : { commonMethodDifferentReturnType: (a: any, b: any) => any; commonPropertyDifferentType: number; }
// Like i2
commonMethodDifferentReturnType: (a, b) => {
>commonMethodDifferentReturnType : (a: any, b: any) => any
>(a, b) => { var z = a.charCodeAt(b); return z; } : (a: any, b: any) => any
>a : any
>b : any
var z = a.charCodeAt(b);
>z : any
>a.charCodeAt(b) : any
>a.charCodeAt : any
>a : any
>charCodeAt : any
>b : any
return z;
>z : any
},
commonPropertyDifferentType: 10,
>commonPropertyDifferentType : number
}];

View File

@@ -0,0 +1,130 @@
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(14,5): error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: string; } | { prop: number; }'.
Type '{ prop: string | number; }' is not assignable to type '{ prop: number; }'.
Types of property 'prop' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(20,5): error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; }'.
Type '{ prop: string | number; }' is not assignable to type '{ prop: number; }'.
Types of property 'prop' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(21,5): error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; }'.
Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: number; }'.
Types of property 'prop' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(25,5): error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; anotherP1: number; }'.
Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: number; anotherP1: number; }'.
Types of property 'prop' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(29,5): error TS2323: Type '{ prop: string | number; anotherP: string; anotherP1: number; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; anotherP1: number; }'.
Type '{ prop: string | number; anotherP: string; anotherP1: number; }' is not assignable to type '{ prop: number; anotherP1: number; }'.
Types of property 'prop' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts(57,5): error TS2323: Type '{ commonMethodDifferentReturnType: (a: any, b: any) => string | number; }' is not assignable to type 'I11 | I21'.
Type '{ commonMethodDifferentReturnType: (a: any, b: any) => string | number; }' is not assignable to type 'I21'.
Types of property 'commonMethodDifferentReturnType' are incompatible.
Type '(a: any, b: any) => string | number' is not assignable to type '(a: string, b: number) => number'.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
==== tests/cases/conformance/types/union/contextualTypeWithUnionTypeObjectLiteral.ts (6 errors) ====
var str: string;
var num: number;
var strOrNumber: string | number = str || num;
var objStr: { prop: string };
var objNum: { prop: number };
var objStrOrNum1: { prop: string } | { prop: number } = objStr || objNum;
var objStrOrNum2: { prop: string | number } = objStr || objNum;
// Below is error because :
// Spec says:
// S is a union type and each constituent type of S is assignable to T.
// T is a union type and S is assignable to at least one constituent type of T.
// In case of objStrOrNum3, the S is not union Type but object Literal so we go to next step.
// Since T is union Type we only allow the assignment of either object with property of type string or object with property of type number but do not allow object with property of type string | number
var objStrOrNum3: { prop: string } | { prop: number } = {
~~~~~~~~~~~~
!!! error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: string; } | { prop: number; }'.
!!! error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: number; }'.
!!! error TS2323: Types of property 'prop' are incompatible.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
prop: strOrNumber
};
var objStrOrNum4: { prop: string | number } = {
prop: strOrNumber
};
var objStrOrNum5: { prop: string; anotherP: string; } | { prop: number } = { prop: strOrNumber };
~~~~~~~~~~~~
!!! error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; }'.
!!! error TS2323: Type '{ prop: string | number; }' is not assignable to type '{ prop: number; }'.
!!! error TS2323: Types of property 'prop' are incompatible.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
var objStrOrNum6: { prop: string; anotherP: string; } | { prop: number } = {
~~~~~~~~~~~~
!!! error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; }'.
!!! error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: number; }'.
!!! error TS2323: Types of property 'prop' are incompatible.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
prop: strOrNumber,
anotherP: str
};
var objStrOrNum7: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
~~~~~~~~~~~~
!!! error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; anotherP1: number; }'.
!!! error TS2323: Type '{ prop: string | number; anotherP: string; }' is not assignable to type '{ prop: number; anotherP1: number; }'.
!!! error TS2323: Types of property 'prop' are incompatible.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
prop: strOrNumber,
anotherP: str
};
var objStrOrNum8: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
~~~~~~~~~~~~
!!! error TS2323: Type '{ prop: string | number; anotherP: string; anotherP1: number; }' is not assignable to type '{ prop: string; anotherP: string; } | { prop: number; anotherP1: number; }'.
!!! error TS2323: Type '{ prop: string | number; anotherP: string; anotherP1: number; }' is not assignable to type '{ prop: number; anotherP1: number; }'.
!!! error TS2323: Types of property 'prop' are incompatible.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
prop: strOrNumber,
anotherP: str,
anotherP1: num
};
interface I11 {
commonMethodDifferentReturnType(a: string, b: number): string;
}
interface I21 {
commonMethodDifferentReturnType(a: string, b: number): number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = { // Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
};
var i11Ori21: I11 | I21 = { // Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
};
var strOrNumber: string | number;
var i11Ori21: I11 | I21 = { // Like i1 and i2 both
~~~~~~~~
!!! error TS2323: Type '{ commonMethodDifferentReturnType: (a: any, b: any) => string | number; }' is not assignable to type 'I11 | I21'.
!!! error TS2323: Type '{ commonMethodDifferentReturnType: (a: any, b: any) => string | number; }' is not assignable to type 'I21'.
!!! error TS2323: Types of property 'commonMethodDifferentReturnType' are incompatible.
!!! error TS2323: Type '(a: any, b: any) => string | number' is not assignable to type '(a: string, b: number) => number'.
!!! error TS2323: Type 'string | number' is not assignable to type 'number'.
!!! error TS2323: Type 'string' is not assignable to type 'number'.
commonMethodDifferentReturnType: (a, b) => strOrNumber,
};

View File

@@ -0,0 +1,115 @@
//// [contextualTypeWithUnionTypeObjectLiteral.ts]
var str: string;
var num: number;
var strOrNumber: string | number = str || num;
var objStr: { prop: string };
var objNum: { prop: number };
var objStrOrNum1: { prop: string } | { prop: number } = objStr || objNum;
var objStrOrNum2: { prop: string | number } = objStr || objNum;
// Below is error because :
// Spec says:
// S is a union type and each constituent type of S is assignable to T.
// T is a union type and S is assignable to at least one constituent type of T.
// In case of objStrOrNum3, the S is not union Type but object Literal so we go to next step.
// Since T is union Type we only allow the assignment of either object with property of type string or object with property of type number but do not allow object with property of type string | number
var objStrOrNum3: { prop: string } | { prop: number } = {
prop: strOrNumber
};
var objStrOrNum4: { prop: string | number } = {
prop: strOrNumber
};
var objStrOrNum5: { prop: string; anotherP: string; } | { prop: number } = { prop: strOrNumber };
var objStrOrNum6: { prop: string; anotherP: string; } | { prop: number } = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum7: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum8: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
prop: strOrNumber,
anotherP: str,
anotherP1: num
};
interface I11 {
commonMethodDifferentReturnType(a: string, b: number): string;
}
interface I21 {
commonMethodDifferentReturnType(a: string, b: number): number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = { // Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
};
var i11Ori21: I11 | I21 = { // Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
};
var strOrNumber: string | number;
var i11Ori21: I11 | I21 = { // Like i1 and i2 both
commonMethodDifferentReturnType: (a, b) => strOrNumber,
};
//// [contextualTypeWithUnionTypeObjectLiteral.js]
var str;
var num;
var strOrNumber = str || num;
var objStr;
var objNum;
var objStrOrNum1 = objStr || objNum;
var objStrOrNum2 = objStr || objNum;
// Below is error because :
// Spec says:
// S is a union type and each constituent type of S is assignable to T.
// T is a union type and S is assignable to at least one constituent type of T.
// In case of objStrOrNum3, the S is not union Type but object Literal so we go to next step.
// Since T is union Type we only allow the assignment of either object with property of type string or object with property of type number but do not allow object with property of type string | number
var objStrOrNum3 = {
prop: strOrNumber
};
var objStrOrNum4 = {
prop: strOrNumber
};
var objStrOrNum5 = { prop: strOrNumber };
var objStrOrNum6 = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum7 = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum8 = {
prop: strOrNumber,
anotherP: str,
anotherP1: num
};
var i11;
var i21;
var i11Ori21 = i11;
var i11Ori21 = i21;
var i11Ori21 = {
commonMethodDifferentReturnType: function (a, b) {
var z = a.charAt(b);
return z;
}
};
var i11Ori21 = {
commonMethodDifferentReturnType: function (a, b) {
var z = a.charCodeAt(b);
return z;
}
};
var strOrNumber;
var i11Ori21 = {
commonMethodDifferentReturnType: function (a, b) { return strOrNumber; }
};

View File

@@ -0,0 +1,119 @@
//When used as a contextual type, a union type U has those members that are present in any of
// its constituent types, with types that are unions of the respective members in the constituent types.
interface I1<T> {
commonMethodType(a: string): string;
commonPropertyType: string;
commonMethodWithTypeParameter(a: T): T;
methodOnlyInI1(a: string): string;
propertyOnlyInI1: string;
}
interface I2<T> {
commonMethodType(a: string): string;
commonPropertyType: string;
commonMethodWithTypeParameter(a: T): T;
methodOnlyInI2(a: string): string;
propertyOnlyInI2: string;
}
// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1: I1<number>;
var i2: I2<number>;
var i1Ori2: I1<number> | I2<number> = i1;
var i1Ori2: I1<number> | I2<number> = i2;
var i1Ori2: I1<number> | I2<number> = { // Like i1
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i2
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i1 and i2 both
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
};
var arrayI1OrI2: Array<I1<number> | I2<number>> = [i1, i2, { // Like i1
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
},
{ // Like i2
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
}, { // Like i1 and i2 both
commonPropertyType: "hello",
commonMethodType: a=> a,
commonMethodWithTypeParameter: a => a,
methodOnlyInI1: a => a,
propertyOnlyInI1: "Hello",
methodOnlyInI2: a => a,
propertyOnlyInI2: "Hello",
}];
interface I11 {
commonMethodDifferentReturnType(a: string, b: number): string;
commonPropertyDifferentType: string;
}
interface I21 {
commonMethodDifferentReturnType(a: string, b: number): number;
commonPropertyDifferentType: number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = {
// Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello",
};
var i11Ori21: I11 | I21 = {
// Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10,
};
var arrayOrI11OrI21: Array<I11 | I21> = [i11, i21, i11 || i21, {
// Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
commonPropertyDifferentType: "hello",
}, {
// Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
commonPropertyDifferentType: 10,
}];

View File

@@ -0,0 +1,59 @@
var str: string;
var num: number;
var strOrNumber: string | number = str || num;
var objStr: { prop: string };
var objNum: { prop: number };
var objStrOrNum1: { prop: string } | { prop: number } = objStr || objNum;
var objStrOrNum2: { prop: string | number } = objStr || objNum;
// Below is error because :
// Spec says:
// S is a union type and each constituent type of S is assignable to T.
// T is a union type and S is assignable to at least one constituent type of T.
// In case of objStrOrNum3, the S is not union Type but object Literal so we go to next step.
// Since T is union Type we only allow the assignment of either object with property of type string or object with property of type number but do not allow object with property of type string | number
var objStrOrNum3: { prop: string } | { prop: number } = {
prop: strOrNumber
};
var objStrOrNum4: { prop: string | number } = {
prop: strOrNumber
};
var objStrOrNum5: { prop: string; anotherP: string; } | { prop: number } = { prop: strOrNumber };
var objStrOrNum6: { prop: string; anotherP: string; } | { prop: number } = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum7: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
prop: strOrNumber,
anotherP: str
};
var objStrOrNum8: { prop: string; anotherP: string; } | { prop: number; anotherP1: number } = {
prop: strOrNumber,
anotherP: str,
anotherP1: num
};
interface I11 {
commonMethodDifferentReturnType(a: string, b: number): string;
}
interface I21 {
commonMethodDifferentReturnType(a: string, b: number): number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = { // Like i1
commonMethodDifferentReturnType: (a, b) => {
var z = a.charAt(b);
return z;
},
};
var i11Ori21: I11 | I21 = { // Like i2
commonMethodDifferentReturnType: (a, b) => {
var z = a.charCodeAt(b);
return z;
},
};
var strOrNumber: string | number;
var i11Ori21: I11 | I21 = { // Like i1 and i2 both
commonMethodDifferentReturnType: (a, b) => strOrNumber,
};