110 lines
4.3 KiB
Text
110 lines
4.3 KiB
Text
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==== tests/cases/conformance/types/typeRelationships/typeAndMemberIdentity/objectTypesIdentityWithGenericConstructSignaturesDifferingByConstraints3.ts (7 errors) ====
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// Two call or construct signatures are considered identical when they have the same number of type parameters and, considering those
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// parameters pairwise identical, have identical type parameter constraints, identical number of parameters with identical kind(required,
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// optional or rest) and types, and identical return types.
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class One { foo: string }
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class Two { foo: string }
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interface Three { foo: string }
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interface Four<T> { foo: T }
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interface Five<T> extends Four<T> { }
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interface Six<T, U> {
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foo: T;
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}
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class B<T extends U, U extends Two> {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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constructor(x: T, y: U) { return null; }
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}
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class C<T extends U, U extends Three> {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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constructor(x: T, y: U) { return null; }
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}
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class D<T extends U, U extends Four<string>> {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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constructor(x: T, y: U) { return null; }
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}
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interface I<T extends U, U extends Five<string>> {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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new(x: T, y: U): string;
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}
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interface I2 {
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new<T extends U, U extends Six<string, string>>(x: T, y: U): string;
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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}
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var a: { new<T extends U, U extends One>(x: T, y: U): string }
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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var b = { new<T extends U, U extends Two>(x: T, y: U) { return ''; } }; // not a construct signature, function called new
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function foo1b(x: B<Two, Two>);
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function foo1b(x: B<Two, Two>); // error
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function foo1b(x: any) { }
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function foo1c(x: C<Three, Three>);
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function foo1c(x: C<Three, Three>); // error
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function foo1c(x: any) { }
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function foo2(x: I<Five<string>, Five<string>>);
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function foo2(x: I<Five<string>, Five<string>>); // error
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function foo2(x: any) { }
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function foo3(x: typeof a);
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function foo3(x: typeof a); // error
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function foo3(x: any) { }
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function foo4(x: typeof b);
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function foo4(x: typeof b); // error
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function foo4(x: any) { }
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function foo5c(x: C<Three, Three>);
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function foo5c(x: D<Four<string>, Four<string>>); // error
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function foo5c(x: any) { }
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function foo6c(x: C<Three, Three>);
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function foo6c(x: D<Four<string>, Four<string>>); // error
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function foo6c(x: any) { }
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function foo8(x: B<Two, Two>);
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function foo8(x: I<Five<string>, Five<string>>); // error
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function foo8(x: any) { }
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function foo9(x: B<Two, Two>);
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function foo9(x: C<Three, Three>); // error
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function foo9(x: any) { }
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function foo10(x: B<Two, Two>);
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function foo10(x: typeof a); // ok
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function foo10(x: any) { }
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function foo11(x: B<Two, Two>);
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function foo11(x: typeof b); // ok
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function foo11(x: any) { }
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function foo12(x: I<Five<string>, Five<string>>);
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function foo12(x: C<Three, Three>); // ok
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function foo12(x: any) { }
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function foo12b(x: I2);
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function foo12b(x: C<Three, Three>); // ok
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function foo12b(x: any) { }
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function foo13(x: I<Five<string>, Five<string>>);
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function foo13(x: typeof a); // ok
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function foo13(x: any) { }
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function foo14(x: I<Five<string>, Five<string>>);
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function foo14(x: typeof b); // ok
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function foo14(x: any) { }
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