/*

* Copyright 2023 Code Intelligence GmbH

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

const { FuzzedDataProvider, jazzer } = require("@jazzer.js/core");

describe("FuzzedDataProvider", () => {

// In this fuzz test we try to guide the fuzzer to use as many functions on

// FuzzedDataProvider as possible, before invoking a terminating one

// like consumeRemainingXY. Strange combinations of functions could produce a

// one-off error.

it.fuzz(

"consumes the provided input",

(data) => {

const provider = new FuzzedDataProvider(data);

const properties = Object.getOwnPropertyNames(

Object.getPrototypeOf(provider),

);

const methodNames = properties

.filter((p) => provider[p] instanceof Function)

.filter((m) => provider[m].length === 0);

let usedMethods = "";

while (provider.remainingBytes > 0) {

const methodName = provider.pickValue(methodNames);

provider[methodName].call(provider);

usedMethods += methodName;

}

jazzer.exploreState(hash(usedMethods), 31);

},

5000,

);

});

const hash = (str) => {

};