solidity/test/libsolidity/semanticTests/tryCatch/panic.sol
2020-12-22 11:08:44 +01:00

35 lines
1.3 KiB
Solidity

contract C {
function uf(bool b, uint x, uint y) public pure returns (uint) {
require(b, "failure");
return x - y;
}
function onlyPanic(bool b, uint x, uint y) public returns (uint r, uint code) {
try this.uf(b, x, y) returns (uint b) {
r = b;
} catch Panic(uint c) {
code = c;
}
}
function panicAndError(bool b, uint x, uint y) public returns (uint r, uint code, string memory msg_) {
try this.uf(b, x, y) returns (uint b) {
r = b;
} catch Panic(uint c) {
code = c;
} catch Error(string memory _errmsg) {
msg_ = _errmsg;
}
}
}
// ====
// EVMVersion: >=byzantium
// compileViaYul: also
// ----
// onlyPanic(bool,uint256,uint256): true, 7, 6 -> 1, 0x00
// onlyPanic(bool,uint256,uint256): true, 6, 7 -> 0x00, 0x11
// onlyPanic(bool,uint256,uint256): false, 7, 6 -> FAILURE, hex"08c379a0", 0x20, 7, "failure"
// onlyPanic(bool,uint256,uint256): false, 6, 7 -> FAILURE, hex"08c379a0", 0x20, 7, "failure"
// panicAndError(bool,uint256,uint256): true, 7, 6 -> 1, 0x00, 0x60, 0x00
// panicAndError(bool,uint256,uint256): true, 6, 7 -> 0x00, 0x11, 0x60, 0x00
// panicAndError(bool,uint256,uint256): false, 7, 6 -> 0x00, 0x00, 0x60, 7, "failure"
// panicAndError(bool,uint256,uint256): false, 6, 7 -> 0x00, 0x00, 0x60, 7, "failure"