mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			31 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
 | |
|     function f(uint32 a, uint32 b) internal pure returns (uint256) {
 | |
|         return a << b;
 | |
|     }
 | |
| 	function t() public pure {
 | |
| 		assert(f(0x4266, 0) == 0x4266);
 | |
| 		// Fails because the above is true.
 | |
| 		assert(f(0x4266, 0) == 0x4267);
 | |
| 
 | |
| 		assert(f(0x4266, 0x10) == 0x42660000);
 | |
| 		// Fails because the above is true.
 | |
| 		assert(f(0x4266, 0x10) == 0x426600000);
 | |
| 
 | |
| 		assert(f(0x4266, 0x11) == 0x84cc0000);
 | |
| 		// Fails because the above is true.
 | |
| 		assert(f(0x4266, 0x11) == 0x84cc000);
 | |
| 
 | |
| 		assert(f(0x4266, 0x20) == 0);
 | |
| 		// Fails because the above is true.
 | |
| 		assert(f(0x4266, 0x20) == 1);
 | |
| 	}
 | |
| }
 | |
| // ====
 | |
| // SMTEngine: all
 | |
| // ----
 | |
| // Warning 6328: (213-243): CHC: Assertion violation happens here.
 | |
| // Warning 6328: (327-365): CHC: Assertion violation happens here.
 | |
| // Warning 6328: (449-485): CHC: Assertion violation happens here.
 | |
| // Warning 6328: (560-588): CHC: Assertion violation happens here.
 | |
| // Info 1391: CHC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
 |