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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethods2.ts(2,5): error TS1244: Abstract methods can only appear within an abstract class.
tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethods2.ts(5,7): error TS2515: Non-abstract class 'B' does not implement inherited abstract member 'foo' from class 'A'.
tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethods2.ts(21,7): error TS2515: Non-abstract class 'BB' does not implement inherited abstract member 'foo' from class 'AA'.
==== tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethods2.ts (3 errors) ====
class A {
abstract foo();
~~~~~~~~
!!! error TS1244: Abstract methods can only appear within an abstract class.
}
class B extends A {}
~
!!! error TS2515: Non-abstract class 'B' does not implement inherited abstract member 'foo' from class 'A'.
abstract class C extends A {}
class D extends A {
foo() {}
}
abstract class E extends A {
foo() {}
}
abstract class AA {
abstract foo();
}
class BB extends AA {}
~~
!!! error TS2515: Non-abstract class 'BB' does not implement inherited abstract member 'foo' from class 'AA'.
abstract class CC extends AA {}
class DD extends AA {
foo() {}
}
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