mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			25 lines
		
	
	
		
			574 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			574 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| enum E {
 | |
| 	READ,
 | |
| 	WRITE
 | |
| }
 | |
| 
 | |
| function allocate(bool b) pure returns (E) {
 | |
| 	if (b) return E.READ;
 | |
| 	return E.WRITE;
 | |
| }
 | |
| 
 | |
| contract C {
 | |
| 	function f() public pure {
 | |
| 		E e1 = allocate(true);
 | |
| 		assert(e1 == E.READ); // should hold
 | |
| 		E e2 = allocate(false);
 | |
| 		assert(e2 == E.READ); // should fail
 | |
| 		assert(allocate(false) == E.WRITE); // should hold
 | |
| 	}
 | |
| }
 | |
| // ====
 | |
| // SMTEngine: all
 | |
| // ----
 | |
| // Warning 6328: (247-267): CHC: Assertion violation happens here.
 | |
| // Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
 |