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=== tests/cases/conformance/classes/constructorDeclarations/constructorParameters/readonlyConstructorAssignment.ts ===
// Tests that readonly parameter properties behave like regular readonly properties
class A {
>A : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
constructor(readonly x: number) {
>x : Symbol(A.x, Decl(readonlyConstructorAssignment.ts, 3, 16))
this.x = 0;
>this.x : Symbol(A.x, Decl(readonlyConstructorAssignment.ts, 3, 16))
>this : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
>x : Symbol(A.x, Decl(readonlyConstructorAssignment.ts, 3, 16))
}
}
class B extends A {
>B : Symbol(B, Decl(readonlyConstructorAssignment.ts, 6, 1))
>A : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
constructor(x: number) {
>x : Symbol(x, Decl(readonlyConstructorAssignment.ts, 9, 16))
super(x);
>super : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
>x : Symbol(x, Decl(readonlyConstructorAssignment.ts, 9, 16))
// Fails, x is readonly
this.x = 1;
>this.x : Symbol(A.x, Decl(readonlyConstructorAssignment.ts, 3, 16))
>this : Symbol(B, Decl(readonlyConstructorAssignment.ts, 6, 1))
>x : Symbol(A.x, Decl(readonlyConstructorAssignment.ts, 3, 16))
}
}
class C extends A {
>C : Symbol(C, Decl(readonlyConstructorAssignment.ts, 14, 1))
>A : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
// This is the usual behavior of readonly properties:
// if one is redeclared in a base class, then it can be assigned to.
constructor(readonly x: number) {
>x : Symbol(C.x, Decl(readonlyConstructorAssignment.ts, 19, 16))
super(x);
>super : Symbol(A, Decl(readonlyConstructorAssignment.ts, 0, 0))
>x : Symbol(x, Decl(readonlyConstructorAssignment.ts, 19, 16))
this.x = 1;
>this.x : Symbol(C.x, Decl(readonlyConstructorAssignment.ts, 19, 16))
>this : Symbol(C, Decl(readonlyConstructorAssignment.ts, 14, 1))
>x : Symbol(C.x, Decl(readonlyConstructorAssignment.ts, 19, 16))
}
}
class D {
>D : Symbol(D, Decl(readonlyConstructorAssignment.ts, 23, 1))
constructor(private readonly x: number) {
>x : Symbol(D.x, Decl(readonlyConstructorAssignment.ts, 26, 16))
this.x = 0;
>this.x : Symbol(D.x, Decl(readonlyConstructorAssignment.ts, 26, 16))
>this : Symbol(D, Decl(readonlyConstructorAssignment.ts, 23, 1))
>x : Symbol(D.x, Decl(readonlyConstructorAssignment.ts, 26, 16))
}
}
// Fails, can't redeclare readonly property
class E extends D {
>E : Symbol(E, Decl(readonlyConstructorAssignment.ts, 29, 1))
>D : Symbol(D, Decl(readonlyConstructorAssignment.ts, 23, 1))
constructor(readonly x: number) {
>x : Symbol(E.x, Decl(readonlyConstructorAssignment.ts, 33, 16))
super(x);
>super : Symbol(D, Decl(readonlyConstructorAssignment.ts, 23, 1))
>x : Symbol(x, Decl(readonlyConstructorAssignment.ts, 33, 16))
this.x = 1;
>this.x : Symbol(E.x, Decl(readonlyConstructorAssignment.ts, 33, 16))
>this : Symbol(E, Decl(readonlyConstructorAssignment.ts, 29, 1))
>x : Symbol(E.x, Decl(readonlyConstructorAssignment.ts, 33, 16))
}
}
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