mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
33 lines
1.4 KiB
Solidity
33 lines
1.4 KiB
Solidity
contract C {
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function abiEncodeSlice(uint[] calldata data) external pure {
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bytes memory b1 = abi.encode(data);
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bytes memory b2 = abi.encode(data[0:]);
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// should hold but the engine cannot infer that data is fully equals data[0:] because each index is assigned separately
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assert(b1.length == b2.length); // fails for now
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bytes memory b3 = abi.encode(data[:data.length]);
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// should hold but the engine cannot infer that data is fully equals data[:data.length] because each index is assigned separately
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// Disabled because of Spacer nondeterminism.
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//assert(b1.length == b3.length); // fails for now
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bytes memory b4 = abi.encode(data[5:10]);
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// Disabled because of Spacer nondeterminism.
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//assert(b1.length == b4.length); // should fail
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uint x = 5;
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uint y = 10;
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bytes memory b5 = abi.encode(data[x:y]);
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// should hold but the engine cannot infer that data[5:10] is fully equals data[x:y] because each index is assigned separately
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// Disabled because of Spacer nondeterminism.
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//assert(b1.length == b5.length); // fails for now
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}
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}
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// ====
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// SMTEngine: all
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// SMTIgnoreCex: yes
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// ----
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// Warning 2072: (332-347='bytes memory b3'): Unused local variable.
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// Warning 2072: (618-633='bytes memory b4'): Unused local variable.
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// Warning 2072: (791-806='bytes memory b5'): Unused local variable.
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// Warning 6328: (280-310='assert(b1.length == b2.length)'): CHC: Assertion violation happens here.
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