Files
revive/crates/integration/contracts/AddModMulMod.sol
T
xermicus 6858cb9a61 mark internal functions linker private (#381)
Prevents unused functions in the emitted ELF object. Drive-by add a
missing test case (which misses a relocation under `-Oz` when all
internal functions are marked as private).

---------

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>
2025-09-29 17:55:29 +02:00

82 lines
1.8 KiB
Solidity

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;
/* runner.json
{
"differential": true,
"actions": [
{
"Upload": {
"code": {
"Solidity": {
"contract": "AddModMulMod"
}
}
}
},
{
"Instantiate": {
"value": 123123,
"code": {
"Solidity": {
"contract": "AddModMulModTester"
}
}
}
},
{
"VerifyCall": {
"success": true
}
}
]
}
*/
contract AddModMulMod {
function test() public returns (uint256) {
// Note that this only works because computation on literals is done using
// unbounded integers.
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7)) return 1;
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7)) return 2;
return 0;
}
function f(uint256 d) public pure returns (uint256) {
addmod(1, 2, d);
return 2;
}
function g(uint256 d) public pure returns (uint256) {
mulmod(1, 2, d);
return 2;
}
function h() public pure returns (uint256) {
mulmod(0, 1, 2);
mulmod(1, 0, 2);
addmod(0, 1, 2);
addmod(1, 0, 2);
return 2;
}
}
contract AddModMulModTester {
constructor() payable {
AddModMulMod c = new AddModMulMod();
assert(c.test() == 0);
try c.f(0) returns (uint m) { revert(); } catch Panic(uint errorCode) {
assert(errorCode == 0x12);
}
try c.g(0) returns (uint m) { revert(); } catch Panic(uint errorCode) {
assert(errorCode == 0x12);
}
assert(c.h() == 2);
}
}