solidity/test/libsolidity/syntaxTests/abstract/unimplemented_functions_inherited.sol

abstract contract A {
    function a() public virtual;
}
contract B is A {
}
// ----
// TypeError: (57-76): Contract "B" should be marked as abstract.
Add new tests. 2019-09-14 20:56:40 +00:00			`abstract contract A {`
Require unimplemented functions to be virtual. 2019-12-02 20:39:53 +00:00			`function a() public virtual;`
Add new tests. 2019-09-14 20:56:40 +00:00			`}`
			`contract B is A {`
			`}`
			`// ----`
Require unimplemented functions to be virtual. 2019-12-02 20:39:53 +00:00			`// TypeError: (57-76): Contract "B" should be marked as abstract.`