File: subclassWithPolymorphicThisIsAssignable.types

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=== tests/cases/compiler/subclassWithPolymorphicThisIsAssignable.ts ===
/* taken from mongoose.Document */
interface Document {
    increment(): this;
>increment : () => this
}

/* our custom model extends the mongoose document */
interface CustomDocument extends Document { }

export class Example<Z extends CustomDocument> {
>Example : Example<Z>

    constructor() {
        // types of increment not compatible??
        this.test<Z>();
>this.test<Z>() : void
>this.test : <Z extends Document>() => void
>this : this
>test : <Z extends Document>() => void
    }

    public test<Z extends Document>() { }
>test : <Z extends Document>() => void
}