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https://github.com/ethereum/solidity
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16 lines
235 B
Solidity
16 lines
235 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f(uint8 x) public pure returns (uint) {
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x = 0;
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uint8 y;
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unchecked { y = x - 1; }
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assert(y == 255);
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unchecked { y = x - 255; }
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assert(y == 1);
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return y;
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}
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}
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// ----
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