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48 lines
1.6 KiB
48 lines
1.6 KiB
const format = require('../format-lines');
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const { product } = require('../../helpers');
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const { SIZES } = require('./Packing.opts');
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// TEMPLATE
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const header = `\
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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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`;
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const testPack = (left, right) => `\
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function testPack(bytes${left} left, bytes${right} right) external pure {
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assertEq(left, Packing.pack_${left}_${right}(left, right).extract_${left + right}_${left}(0));
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assertEq(right, Packing.pack_${left}_${right}(left, right).extract_${left + right}_${right}(${left}));
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}
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`;
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const testReplace = (outer, inner) => `\
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function testReplace(bytes${outer} container, bytes${inner} newValue, uint8 offset) external pure {
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offset = uint8(bound(offset, 0, ${outer - inner}));
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bytes${inner} oldValue = container.extract_${outer}_${inner}(offset);
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assertEq(newValue, container.replace_${outer}_${inner}(newValue, offset).extract_${outer}_${inner}(offset));
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assertEq(container, container.replace_${outer}_${inner}(newValue, offset).replace_${outer}_${inner}(oldValue, offset));
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}
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`;
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// GENERATE
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module.exports = format(
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header,
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'contract PackingTest is Test {',
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format(
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[].concat(
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'using Packing for *;',
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'',
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product(SIZES, SIZES)
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.filter(([left, right]) => SIZES.includes(left + right))
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.map(([left, right]) => testPack(left, right)),
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product(SIZES, SIZES)
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.filter(([outer, inner]) => outer > inner)
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.map(([outer, inner]) => testReplace(outer, inner)),
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),
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).trimEnd(),
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'}',
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);
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