solidity/test/libsolidity/smtCheckerTests/types/array_mapping_aliasing_1.sol

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2019-02-21 12:01:58 +00:00
pragma experimental SMTChecker;
contract C
{
mapping (uint => uint) singleMap;
mapping (uint => uint)[] severalMaps;
mapping (uint => uint8)[] severalMaps8;
mapping (uint => uint)[][] severalMaps3d;
function f(mapping (uint => uint) storage map) internal {
require(severalMaps[0][0] == 42);
require(severalMaps8[0][0] == 42);
require(severalMaps3d[0][0][0] == 42);
map[0] = 2;
// Should fail since map == severalMaps[0] is possible.
assert(severalMaps[0][0] == 42);
// Should not fail since knowledge is erased only for mapping (uint => uint).
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assert(severalMaps8[0][0] == 42);
// Should fail since map == severalMaps3d[0][0] is possible.
assert(severalMaps3d[0][0][0] == 42);
}
}
// ----
// Warning: (451-482): Assertion violation happens here
// Warning: (665-701): Assertion violation happens here