1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 //////////////////////////////////////////////////////////////////////////////// 16 17 import java.io.ByteArrayInputStream; 18 import java.io.UncheckedIOException; 19 20 import org.apache.commons.geometry.io.core.input.StreamGeometryInput; 21 import org.apache.commons.geometry.io.euclidean.threed.BoundaryReadHandler3D; 22 import org.apache.commons.geometry.io.euclidean.threed.obj.ObjBoundaryReadHandler3D; 23 import org.apache.commons.numbers.core.Precision; 24 25 public class GeometryObjFuzzer { fuzzerTestOneInput(final byte[] data)26 public static void fuzzerTestOneInput(final byte[] data) { 27 try { 28 final BoundaryReadHandler3D handler = new ObjBoundaryReadHandler3D(); 29 final Precision.DoubleEquivalence precision = Precision.doubleEquivalenceOfEpsilon(1e-20); 30 31 // check standard read 32 handler.read(new StreamGeometryInput(new ByteArrayInputStream(data)), precision); 33 34 // check mesh read 35 handler.readTriangleMesh(new StreamGeometryInput(new ByteArrayInputStream(data)), precision); 36 } catch (UncheckedIOException | IllegalArgumentException | IllegalStateException ignored) { 37 // expected exception types; ignore 38 } 39 } 40 } 41