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// 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 object expressions
*/
'use strict';
const sinon = require('sinon');
const babylon = require('@babel/parser');
const common = require('../mutators/common.js');
const helpers = require('./helpers.js');
const scriptMutator = require('../script_mutator.js');
const sourceHelpers = require('../source_helpers.js');
const {ObjectMutator} = require('../mutators/object_mutator.js');
const sandbox = sinon.createSandbox();
describe('Mutate objects', () => {
afterEach(() => {
sandbox.restore();
});
it('performs all mutations', () => {
// Make random operations deterministic.
sandbox.stub(common, 'randomValue').callsFake(
() => babylon.parseExpression('""'));
helpers.deterministicRandom(sandbox);
const source = helpers.loadTestData('mutate_objects.js');
const settings = scriptMutator.defaultSettings();
settings['MUTATE_OBJECTS'] = 1.0;
const mutator = new ObjectMutator(settings);
mutator.mutate(source);
const mutated = sourceHelpers.generateCode(source);
helpers.assertExpectedResult(
'mutate_objects_expected.js', mutated);
});
});
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