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=== tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassTransitivity3.ts ===
// subclassing is not transitive when you can remove required parameters and add optional parameters
class C<T> {
>C : Symbol(C, Decl(derivedClassTransitivity3.ts, 0, 0))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 2, 8))
foo(x: T, y: T) { }
>foo : Symbol(C.foo, Decl(derivedClassTransitivity3.ts, 2, 12))
>x : Symbol(x, Decl(derivedClassTransitivity3.ts, 3, 8))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 2, 8))
>y : Symbol(y, Decl(derivedClassTransitivity3.ts, 3, 13))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 2, 8))
}
class D<T> extends C<T> {
>D : Symbol(D, Decl(derivedClassTransitivity3.ts, 4, 1))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 6, 8))
>C : Symbol(C, Decl(derivedClassTransitivity3.ts, 0, 0))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 6, 8))
foo(x: T) { } // ok to drop parameters
>foo : Symbol(D.foo, Decl(derivedClassTransitivity3.ts, 6, 25))
>x : Symbol(x, Decl(derivedClassTransitivity3.ts, 7, 8))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 6, 8))
}
class E<T> extends D<T> {
>E : Symbol(E, Decl(derivedClassTransitivity3.ts, 8, 1))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 10, 8))
>D : Symbol(D, Decl(derivedClassTransitivity3.ts, 4, 1))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 10, 8))
foo(x: T, y?: number) { } // ok to add optional parameters
>foo : Symbol(E.foo, Decl(derivedClassTransitivity3.ts, 10, 25))
>x : Symbol(x, Decl(derivedClassTransitivity3.ts, 11, 8))
>T : Symbol(T, Decl(derivedClassTransitivity3.ts, 10, 8))
>y : Symbol(y, Decl(derivedClassTransitivity3.ts, 11, 13))
}
var c: C<string>;
>c : Symbol(c, Decl(derivedClassTransitivity3.ts, 14, 3))
>C : Symbol(C, Decl(derivedClassTransitivity3.ts, 0, 0))
var d: D<string>;
>d : Symbol(d, Decl(derivedClassTransitivity3.ts, 15, 3))
>D : Symbol(D, Decl(derivedClassTransitivity3.ts, 4, 1))
var e: E<string>;
>e : Symbol(e, Decl(derivedClassTransitivity3.ts, 16, 3))
>E : Symbol(E, Decl(derivedClassTransitivity3.ts, 8, 1))
c = e;
>c : Symbol(c, Decl(derivedClassTransitivity3.ts, 14, 3))
>e : Symbol(e, Decl(derivedClassTransitivity3.ts, 16, 3))
var r = c.foo('', '');
>r : Symbol(r, Decl(derivedClassTransitivity3.ts, 18, 3))
>c.foo : Symbol(C.foo, Decl(derivedClassTransitivity3.ts, 2, 12))
>c : Symbol(c, Decl(derivedClassTransitivity3.ts, 14, 3))
>foo : Symbol(C.foo, Decl(derivedClassTransitivity3.ts, 2, 12))
var r2 = e.foo('', 1);
>r2 : Symbol(r2, Decl(derivedClassTransitivity3.ts, 19, 3))
>e.foo : Symbol(E.foo, Decl(derivedClassTransitivity3.ts, 10, 25))
>e : Symbol(e, Decl(derivedClassTransitivity3.ts, 16, 3))
>foo : Symbol(E.foo, Decl(derivedClassTransitivity3.ts, 10, 25))
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