114 lines
5.1 KiB
Plaintext
114 lines
5.1 KiB
Plaintext
tests/cases/compiler/readonlyMembers.ts(7,3): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(8,3): error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(17,14): error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(19,18): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(20,18): error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(21,18): error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(25,14): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(26,14): error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(27,14): error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(36,3): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(40,3): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(49,3): error TS2540: Cannot assign to 'A' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(56,3): error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
tests/cases/compiler/readonlyMembers.ts(62,1): error TS2542: Index signature in type '{ readonly [x: string]: string; }' only permits reading.
|
|
tests/cases/compiler/readonlyMembers.ts(65,1): error TS2542: Index signature in type '{ [x: string]: string; readonly [x: number]: string; }' only permits reading.
|
|
|
|
|
|
==== tests/cases/compiler/readonlyMembers.ts (15 errors) ====
|
|
|
|
interface X {
|
|
readonly a: number;
|
|
readonly b?: number;
|
|
}
|
|
var x: X = { a: 0 };
|
|
x.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
x.b = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
|
|
class C {
|
|
readonly a: number;
|
|
readonly b = 1;
|
|
get c() { return 1 }
|
|
constructor() {
|
|
this.a = 1; // Ok
|
|
this.b = 1; // Ok
|
|
this.c = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
const f = () => {
|
|
this.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
this.b = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
this.c = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
}
|
|
}
|
|
foo() {
|
|
this.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
this.b = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
|
|
this.c = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'c' because it is a constant or a read-only property.
|
|
}
|
|
}
|
|
|
|
var o = {
|
|
get a() { return 1 },
|
|
get b() { return 1 },
|
|
set b(value) { }
|
|
};
|
|
o.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
o.b = 1;
|
|
|
|
var p: { readonly a: number, b: number } = { a: 1, b: 1 };
|
|
p.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
p.b = 1;
|
|
var q: { a: number, b: number } = p;
|
|
q.a = 1;
|
|
q.b = 1;
|
|
|
|
enum E {
|
|
A, B, C
|
|
}
|
|
E.A = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'A' because it is a constant or a read-only property.
|
|
|
|
namespace N {
|
|
export const a = 1;
|
|
export let b = 1;
|
|
export var c = 1;
|
|
}
|
|
N.a = 1; // Error
|
|
~
|
|
!!! error TS2540: Cannot assign to 'a' because it is a constant or a read-only property.
|
|
N.b = 1;
|
|
N.c = 1;
|
|
|
|
let xx: { readonly [x: string]: string };
|
|
let s = xx["foo"];
|
|
xx["foo"] = "abc"; // Error
|
|
~~~~~~~~~
|
|
!!! error TS2542: Index signature in type '{ readonly [x: string]: string; }' only permits reading.
|
|
|
|
let yy: { readonly [x: number]: string, [x: string]: string };
|
|
yy[1] = "abc"; // Error
|
|
~~~~~
|
|
!!! error TS2542: Index signature in type '{ [x: string]: string; readonly [x: number]: string; }' only permits reading.
|
|
yy["foo"] = "abc"; |