| // Copyright 2020 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * @fileoverview Tests for mutating variables |
| */ |
| |
| 'use strict'; |
| |
| const babelTypes = require('@babel/types'); |
| const sinon = require('sinon'); |
| |
| const common = require('../mutators/common.js'); |
| const helpers = require('./helpers.js'); |
| const scriptMutator = require('../script_mutator.js'); |
| const sourceHelpers = require('../source_helpers.js'); |
| const variableMutator = require('../mutators/variable_mutator.js'); |
| |
| const sandbox = sinon.createSandbox(); |
| |
| describe('Mutate variables', () => { |
| beforeEach(() => { |
| sandbox.stub( |
| common, 'randomVariable').callsFake( |
| () => { return babelTypes.identifier('REPLACED') }); |
| }); |
| |
| afterEach(() => { |
| sandbox.restore(); |
| }); |
| |
| it('test', () => { |
| |
| const source = helpers.loadTestData('mutate_variables.js'); |
| |
| const settings = scriptMutator.defaultSettings(); |
| settings['MUTATE_VARIABLES'] = 1.0; |
| |
| const mutator = new variableMutator.VariableMutator(settings); |
| mutator.mutate(source); |
| |
| const mutated = sourceHelpers.generateCode(source); |
| helpers.assertExpectedResult( |
| 'mutate_variables_expected.js', mutated); |
| }); |
| }); |