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Add global failure #30

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merged 4 commits into from
Apr 6, 2022
Merged

Add global failure #30

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96c4522
global failure
brockelmore Apr 1, 2022
54d40a8
low-level call, failed slot
brockelmore Apr 6, 2022
35cf0b5
no interface
brockelmore Apr 6, 2022
02ada41
version bump :)
brockelmore Apr 6, 2022
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41 changes: 38 additions & 3 deletions src/test.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

pragma solidity >=0.4.23;
pragma solidity >=0.5.0;

contract DSTest {
event log (string);
Expand All @@ -36,16 +36,51 @@ contract DSTest {
event log_named_string (string key, string val);

bool public IS_TEST = true;
bool public failed;
bool private _failed;

address constant HEVM_ADDRESS =
address(bytes20(uint160(uint256(keccak256('hevm cheat code')))));

modifier mayRevert() { _; }
modifier testopts(string memory) { _; }

function failed() public returns (bool) {
if (_failed) {
return _failed;
} else {
bool globalFailed = false;
if (hasHEVMContext()) {
(, bytes memory retdata) = HEVM_ADDRESS.call(
abi.encodePacked(
bytes4(keccak256("load(address,bytes32)")),
abi.encode(HEVM_ADDRESS, bytes32("failed"))
)
);
globalFailed = abi.decode(retdata, (bool));
}
return globalFailed;
}
}

function fail() internal {
failed = true;
if (hasHEVMContext()) {
HEVM_ADDRESS.call(
abi.encodePacked(
bytes4(keccak256("store(address,bytes32,bytes32)")),
abi.encode(HEVM_ADDRESS, bytes32("failed"), bytes32(uint256(0x01)))
)
);

}
_failed = true;
}

function hasHEVMContext() internal view returns (bool) {
uint256 hevmCodeSize = 0;
assembly {
hevmCodeSize := extcodesize(0x7109709ECfa91a80626fF3989D68f67F5b1DD12D)
}
return hevmCodeSize > 0;
}

modifier logs_gas() {
Expand Down