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author | Fabio Berger <me@fabioberger.com> | 2019-01-12 00:12:55 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2019-01-12 00:12:55 +0800 |
commit | 96ff5eef644b8c4d3f8fc4ec53270991fb51f121 (patch) | |
tree | 530f43b03d2b3aa09b5f6552d4285df92d45fed0 /packages/sol-tracing-utils/test/source_maps_test.ts | |
parent | 7f5a2c972bb86df77c423fb7029e9a629ecc1ede (diff) | |
parent | 2cf57a48dd2857dd5cf2f31f4c60dd47ae4d34a5 (diff) | |
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merge development
Diffstat (limited to 'packages/sol-tracing-utils/test/source_maps_test.ts')
-rw-r--r-- | packages/sol-tracing-utils/test/source_maps_test.ts | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/packages/sol-tracing-utils/test/source_maps_test.ts b/packages/sol-tracing-utils/test/source_maps_test.ts new file mode 100644 index 000000000..5820bedd7 --- /dev/null +++ b/packages/sol-tracing-utils/test/source_maps_test.ts @@ -0,0 +1,71 @@ +import * as chai from 'chai'; +import * as fs from 'fs'; +import * as _ from 'lodash'; +import 'mocha'; +import * as path from 'path'; + +import { getLocationByOffset, parseSourceMap } from '../src/source_maps'; + +const expect = chai.expect; + +const simplestContractBaseName = 'Simplest.sol'; +const simplestContractFileName = path.resolve(__dirname, 'fixtures/contracts', simplestContractBaseName); +const simplestContract = fs.readFileSync(simplestContractFileName).toString(); + +describe('source maps', () => { + describe('#getLocationByOffset', () => { + it('correctly computes location by offset', () => { + const locationByOffset = getLocationByOffset(simplestContract); + const expectedLocationByOffset = { + '0': { line: 1, column: 0 }, + '1': { line: 1, column: 1 }, + '2': { line: 1, column: 2 }, + '3': { line: 1, column: 3 }, + '4': { line: 1, column: 4 }, + '5': { line: 1, column: 5 }, + '6': { line: 1, column: 6 }, + '7': { line: 1, column: 7 }, + '8': { line: 1, column: 8 }, + '9': { line: 1, column: 9 }, + '10': { line: 1, column: 10 }, + '11': { line: 1, column: 11 }, + '12': { line: 1, column: 12 }, + '13': { line: 1, column: 13 }, + '14': { line: 1, column: 14 }, + '15': { line: 1, column: 15 }, + '16': { line: 1, column: 16 }, + '17': { line: 1, column: 17 }, + '18': { line: 1, column: 18 }, + '19': { line: 1, column: 19 }, + '20': { line: 2, column: 0 }, + '21': { line: 2, column: 1 }, + '22': { line: 3, column: 0 }, + }; + expect(locationByOffset).to.be.deep.equal(expectedLocationByOffset); + }); + }); + describe('#parseSourceMap', () => { + it('correctly parses the source map', () => { + // This is the source map and bytecode for an empty contract like Example.sol + const srcMap = '0:21:0:-;;;;;;;;;;;;;;;;;'; + const bytecodeHex = + '60606040523415600e57600080fd5b603580601b6000396000f3006060604052600080fd00a165627a7a72305820377cdef690e46589f40efeef14d8ef73504af059fb3fd46f1da3cd2fc52ef7890029'; + const sources = [simplestContractBaseName]; + const pcToSourceRange = parseSourceMap([simplestContract], srcMap, bytecodeHex, sources); + const expectedSourceRange = { + location: { + start: { line: 1, column: 0 }, + end: { line: 2, column: 1 }, + }, + fileName: simplestContractBaseName, + }; + _.forEach(pcToSourceRange, sourceRange => { + // Solidity source maps are too short and we map some instructions to undefined + // Source: https://github.com/ethereum/solidity/issues/3741 + if (!_.isUndefined(sourceRange)) { + expect(sourceRange).to.be.deep.equal(expectedSourceRange); + } + }); + }); + }); +}); |