ikan Uploader :
Directory : /home/ubuntu/node-v16.18.1/deps/v8/tools/clusterfuzz/js_fuzzer/test/
Upload File : |
| Current File : //home/ubuntu/node-v16.18.1/deps/v8/tools/clusterfuzz/js_fuzzer/test/test_mutate_expressions.js |
// 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 expressions
*/
'use strict';
const assert = require('assert');
const babelTypes = require('@babel/types');
const sinon = require('sinon');
const common = require('../mutators/common.js');
const expressionMutator = require('../mutators/expression_mutator.js');
const helpers = require('./helpers.js');
const scriptMutator = require('../script_mutator.js');
const sourceHelpers = require('../source_helpers.js');
const random = require('../random.js');
const sandbox = sinon.createSandbox();
function testCloneSiblings(expected_file) {
const source = helpers.loadTestData('mutate_expressions.js');
const settings = scriptMutator.defaultSettings();
settings['MUTATE_EXPRESSIONS'] = 1.0;
const mutator = new expressionMutator.ExpressionMutator(settings);
mutator.mutate(source);
const mutated = sourceHelpers.generateCode(source);
helpers.assertExpectedResult(expected_file, mutated);
}
describe('Mutate expressions', () => {
beforeEach(() => {
// Select the previous sibling.
sandbox.stub(random, 'randInt').callsFake((a, b) => b);
// This chooses cloning siblings.
sandbox.stub(random, 'random').callsFake(() => 0.8);
});
afterEach(() => {
sandbox.restore();
});
it('clones previous to current', () => {
// Keep the order of [previous, current], select previous.
sandbox.stub(random, 'shuffle').callsFake(a => a);
// Insert after. Keep returning true for the MUTATE_EXPRESSIONS check.
sandbox.stub(random, 'choose').callsFake(a => a === 1);
testCloneSiblings('mutate_expressions_previous_expected.js');
});
it('clones current to previous', () => {
// Switch the order of [previous, current], select current.
sandbox.stub(random, 'shuffle').callsFake(a => [a[1], a[0]]);
// Insert before.
sandbox.stub(random, 'choose').callsFake(() => true);
testCloneSiblings('mutate_expressions_current_expected.js');
});
});
describe('Cloning', () => {
// Ensure that the source location we add are not cloned.
it('is not copying added state', () => {
const source = helpers.loadTestData('mutate_expressions.js');
common.setSourceLoc(source, 5, 10);
const noopNode = source.ast.program.body[0];
assert.equal(0.5, common.getSourceLoc(noopNode));
const cloned = babelTypes.cloneDeep(noopNode);
assert.equal(undefined, common.getSourceLoc(cloned));
});
});
Kontol Shell Bypass