solidity/test/libsolidity/smtCheckerTests/operators/shifts/shift_right.sol

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2020-09-04 14:55:45 +00:00
pragma experimental SMTChecker;
contract C {
function f(uint256 a, uint256 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) == 0x426);
assert(f(0x4266, 0x8) == 0x42);
// Fails because the above is true.
assert(f(0x4266, 0x8) == 0x420);
assert(f(0x4266, 0x11) == 0);
// Fails because the above is true.
assert(f(0x4266, 0x11) == 1);
assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 1809251394333065553493296640760748560207343510400633813116524750123642650624);
// Fails because the above is true.
assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 0);
}
}
// ----
// Warning 6328: (248-277): Assertion violation happens here.
// Warning 6328: (354-385): Assertion violation happens here.
// Warning 6328: (460-488): Assertion violation happens here.
// Warning 6328: (706-802): Assertion violation happens here.