MathUtilsFuzzer.java

// Copyright 2023 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
importcom.code_intelligence.jazzer.api.FuzzedDataProvider;
importorg.apache.commons.lang3.math.IEEE754rUtils;
importorg.apache.commons.lang3.math.NumberUtils;

/** This fuzzer targets the methods of the classes in the math package. */
publicclassMathUtilsFuzzer {
publicstaticvoidfuzzerTestOneInput(FuzzedDataProviderdata) {
try {
Integerchoice = data.consumeInt(1, 5);

switch (choice) {
case1:
float[] floats = newfloat[data.consumeInt(1, 5)];
for (Integeri = 0; i < floats.length; i++) {
floats[i] = data.consumeFloat();
 }
IEEE754rUtils.max(floats);
IEEE754rUtils.min(floats);
break;
case2:
double[] doubles = newdouble[data.consumeInt(1, 5)];
for (Integeri = 0; i < doubles.length; i++) {
doubles[i] = data.consumeDouble();
 }
IEEE754rUtils.max(doubles);
IEEE754rUtils.min(doubles);
break;
case3:
NumberUtils.createNumber(data.consumeRemainingAsString());
break;
case4:
NumberUtils.isCreatable(data.consumeRemainingAsString());
break;
case5:
NumberUtils.isParsable(data.consumeRemainingAsString());
break;
 }
 } catch (NumberFormatExceptione) {
// Known exception
 }
 }
}