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https://github.com/ethereum/solidity
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20 lines
310 B
Solidity
20 lines
310 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f(int8 x) public pure returns (int8) {
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x = -2;
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int8 y;
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unchecked { y = x - 127; }
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assert(y == 127);
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x = -128;
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unchecked { y = x - 127; }
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assert(y == 1);
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x = 127;
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unchecked { y = x - (-127); }
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assert(y == -2);
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return y;
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}
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}
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// ----
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