63 lines
No EOL
1.7 KiB
Text
63 lines
No EOL
1.7 KiB
Text
==== tests/cases/conformance/expressions/thisKeyword/thisInInvalidContexts.ts (7 errors) ====
|
|
//'this' in static member initializer
|
|
class ErrClass1 {
|
|
static t = this; // Error
|
|
~~~~
|
|
!!! 'this' cannot be referenced in a static property initializer.
|
|
}
|
|
|
|
class BaseErrClass {
|
|
constructor(t: any) { }
|
|
}
|
|
|
|
class ClassWithNoInitializer extends BaseErrClass {
|
|
t;
|
|
//'this' in optional super call
|
|
constructor() {
|
|
super(this); // OK
|
|
}
|
|
}
|
|
|
|
class ClassWithInitializer extends BaseErrClass {
|
|
t = 4;
|
|
//'this' in required super call
|
|
constructor() {
|
|
super(this); // Error
|
|
~~~~
|
|
!!! 'this' cannot be referenced in current location.
|
|
}
|
|
}
|
|
|
|
module M {
|
|
//'this' in module variable
|
|
var x = this; // Error
|
|
~~~~
|
|
!!! 'this' cannot be referenced in a module body.
|
|
}
|
|
|
|
//'this' as type parameter constraint
|
|
// function fn<T extends this >() { } // Error
|
|
|
|
//'this' as a type argument
|
|
function genericFunc<T>(x: T) { }
|
|
genericFunc<this>(undefined); // Should be an error
|
|
|
|
class ErrClass3 extends this {
|
|
~~~~
|
|
!!! Identifier expected.
|
|
~
|
|
!!! ';' expected.
|
|
|
|
}
|
|
|
|
//'this' as a computed enum value
|
|
enum SomeEnum {
|
|
A = this, // Should not be allowed
|
|
~~~~
|
|
!!! 'this' cannot be referenced in current location.
|
|
B = this.spaaaace // Also should not be allowed
|
|
~~~~
|
|
!!! 'this' cannot be referenced in current location.
|
|
}
|
|
|
|
|