mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
20 lines
1.2 KiB
Solidity
20 lines
1.2 KiB
Solidity
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// tests compile-time evaluation of keccak256 on literal strings
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contract C {
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function short() public pure returns (bool) {
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bytes32 a = keccak256("abcdefghijklmn");
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bytes memory s = "abcdefghijklmn";
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return a == keccak256(s);
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}
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bytes32 constant sc = keccak256("abcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmn");
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function long() public pure returns (bool, bool) {
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bytes32 a = keccak256("abcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmn");
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bytes memory s = "abcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmnabcdefghijklmn";
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return (a == keccak256(s), sc == keccak256(s));
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}
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}
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// ====
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// compileViaYul: also
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// ----
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// short() -> true
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// long() -> true, true
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