63 lines
1.7 KiB
Plaintext
63 lines
1.7 KiB
Plaintext
==== tests/cases/conformance/expressions/thisKeyword/thisInInvalidContexts.ts (7 errors) ====
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//'this' in static member initializer
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class ErrClass1 {
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static t = this; // Error
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~~~~
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!!! 'this' cannot be referenced in a static property initializer.
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}
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class BaseErrClass {
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constructor(t: any) { }
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}
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class ClassWithNoInitializer extends BaseErrClass {
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t;
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//'this' in optional super call
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constructor() {
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super(this); // OK
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}
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}
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class ClassWithInitializer extends BaseErrClass {
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t = 4;
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//'this' in required super call
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constructor() {
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super(this); // Error
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~~~~
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!!! 'this' cannot be referenced in current location.
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}
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}
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module M {
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//'this' in module variable
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var x = this; // Error
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~~~~
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!!! 'this' cannot be referenced in a module body.
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}
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//'this' as type parameter constraint
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// function fn<T extends this >() { } // Error
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//'this' as a type argument
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function genericFunc<T>(x: T) { }
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genericFunc<this>(undefined); // Should be an error
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class ErrClass3 extends this {
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~~~~
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!!! Identifier expected.
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~
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!!! ';' expected.
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}
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//'this' as a computed enum value
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enum SomeEnum {
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A = this, // Should not be allowed
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~~~~
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!!! 'this' cannot be referenced in current location.
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B = this.spaaaace // Also should not be allowed
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~~~~
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!!! 'this' cannot be referenced in current location.
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}
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