solidity/test/libsolidity/syntaxTests/nameAndTypeResolution/029_create_abstract_contract.sol

contract base { function foo() public virtual; }
contract derived {
    base b;
    function foo() public { b = new base(); }
}
// ----
// TypeError: (0-48): Contract "base" should be marked as abstract.
Require unimplemented functions to be virtual. 2019-12-02 20:39:53 +00:00			`contract base { function foo() public virtual; }`
Split out SolidityNameAndTypeResolution tests into SyntaxTests 2018-05-30 16:41:34 +00:00			`contract derived {`
			`base b;`
			`function foo() public { b = new base(); }`
			`}`
			`// ----`
Require unimplemented functions to be virtual. 2019-12-02 20:39:53 +00:00			`// TypeError: (0-48): Contract "base" should be marked as abstract.`