solidity/test/libsolidity/semanticTests/array/byte_array_push_transition.sol

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// Tests transition between short and long encoding
contract c {
bytes data;
function test() public returns (uint256) {
for (uint8 i = 1; i < 40; i++) {
data.push(bytes1(i));
if (data.length != i) return 0x1000 + i;
if (data[data.length - 1] != bytes1(i)) return i;
}
for (uint8 i = 1; i < 40; i++)
if (data[i - 1] != bytes1(i)) return 0x1000000 + i;
return 0;
}
}
// ====
// compileViaYul: also
// ----
// test() -> 0