73 lines
3.1 KiB
TypeScript
73 lines
3.1 KiB
TypeScript
import * as chai from 'chai';
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import * as fs from 'fs';
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import * as _ from 'lodash';
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import 'make-promises-safe';
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import 'mocha';
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import * as path from 'path';
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import { getLocationByOffset, parseSourceMap } from '../src/source_maps';
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const expect = chai.expect;
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const simplestContractBaseName = 'Simplest.sol';
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const simplestContractFileName = path.resolve(__dirname, 'fixtures/contracts', simplestContractBaseName);
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const simplestContract = fs.readFileSync(simplestContractFileName).toString();
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describe('source maps', () => {
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describe('#getLocationByOffset', () => {
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it('correctly computes location by offset', () => {
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const locationByOffset = getLocationByOffset(simplestContract);
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const expectedLocationByOffset = {
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'0': { line: 1, column: 0 },
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'1': { line: 1, column: 1 },
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'2': { line: 1, column: 2 },
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'3': { line: 1, column: 3 },
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'4': { line: 1, column: 4 },
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'5': { line: 1, column: 5 },
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'6': { line: 1, column: 6 },
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'7': { line: 1, column: 7 },
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'8': { line: 1, column: 8 },
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'9': { line: 1, column: 9 },
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'10': { line: 1, column: 10 },
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'11': { line: 1, column: 11 },
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'12': { line: 1, column: 12 },
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'13': { line: 1, column: 13 },
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'14': { line: 1, column: 14 },
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'15': { line: 1, column: 15 },
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'16': { line: 1, column: 16 },
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'17': { line: 1, column: 17 },
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'18': { line: 1, column: 18 },
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'19': { line: 1, column: 19 },
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'20': { line: 2, column: 0 },
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'21': { line: 2, column: 1 },
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'22': { line: 3, column: 0 },
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};
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expect(locationByOffset).to.be.deep.equal(expectedLocationByOffset);
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});
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});
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describe('#parseSourceMap', () => {
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it('correctly parses the source map', () => {
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// This is the source map and bytecode for an empty contract like Example.sol
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const srcMap = '0:21:0:-;;;;;;;;;;;;;;;;;';
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const bytecodeHex =
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'60606040523415600e57600080fd5b603580601b6000396000f3006060604052600080fd00a165627a7a72305820377cdef690e46589f40efeef14d8ef73504af059fb3fd46f1da3cd2fc52ef7890029';
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const sources = [simplestContractBaseName];
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const pcToSourceRange = parseSourceMap([simplestContract], srcMap, bytecodeHex, sources);
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const expectedSourceRange = {
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location: {
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start: { line: 1, column: 0 },
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end: { line: 2, column: 1 },
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},
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fileName: simplestContractBaseName,
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};
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_.forEach(pcToSourceRange, sourceRange => {
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// Solidity source maps are too short and we map some instructions to undefined
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// Source: https://github.com/ethereum/solidity/issues/3741
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if (!_.isUndefined(sourceRange)) {
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expect(sourceRange).to.be.deep.equal(expectedSourceRange);
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}
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});
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});
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});
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});
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