mirror of https://github.com/google/oss-fuzz.git
52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////////
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let lastInvocationCount = 0;
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let invocationCount = lastInvocationCount + 1;
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/**
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* @param { Buffer } data
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*/
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module.exports.fuzz = function (data) {
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return new Promise((resolve, reject) => {
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if (data.length < 3) {
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resolve(invocationCount++);
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return;
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}
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setTimeout(() => {
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let one = data.readInt8(0);
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let two = data.readInt8(1);
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let three = data.readInt8(2);
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if (one + two + three === 42) {
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reject(
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new Error(
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`${one} + ${two} + ${three} = 42 (invocation ${invocationCount})`
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)
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);
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} else {
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resolve(invocationCount++);
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}
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}, 10);
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}).then((value) => {
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if (value !== lastInvocationCount + 1) {
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throw new Error(
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`Invalid invocation order, received ${value} but last invocation was ${lastInvocationCount}.`
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);
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}
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lastInvocationCount = value;
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});
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};
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