28 lines
1012 B
Solidity
28 lines
1012 B
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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import {Test} from "forge-std/Test.sol";
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import {Packing} from "@openzeppelin/contracts/utils/Packing.sol";
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contract PackingTest is Test {
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using Packing for *;
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// Pack a pair of arbitrary uint128, and check that split recovers the correct values
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function testSymbolicUint128x2(uint128 first, uint128 second) external {
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Packing.Uint128x2 packed = Packing.pack(first, second);
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assertEq(packed.first(), first);
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assertEq(packed.second(), second);
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(uint128 recoveredFirst, uint128 recoveredSecond) = packed.split();
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assertEq(recoveredFirst, first);
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assertEq(recoveredSecond, second);
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}
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// split an arbitrary bytes32 into a pair of uint128, and check that repack matches the input
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function testSymbolicUint128x2(bytes32 input) external {
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(uint128 first, uint128 second) = input.asUint128x2().split();
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assertEq(Packing.pack(first, second).asBytes32(), input);
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}
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}
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