From 91390c8acea911d747548e24031888a9c63650fe Mon Sep 17 00:00:00 2001 From: Cary Clark Date: Fri, 9 Mar 2018 14:02:46 -0500 Subject: pathmeasure fuzzer R=kjlubick@google.com, reed@google.com Bug: skia: Change-Id: I16a8b09312e5d1d1783bd6a4b791636ad8f63889 Reviewed-on: https://skia-review.googlesource.com/113165 Reviewed-by: Mike Reed Reviewed-by: Kevin Lubick Commit-Queue: Cary Clark --- fuzz/FuzzPathMeasure.cpp | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 fuzz/FuzzPathMeasure.cpp (limited to 'fuzz/FuzzPathMeasure.cpp') diff --git a/fuzz/FuzzPathMeasure.cpp b/fuzz/FuzzPathMeasure.cpp new file mode 100644 index 0000000000..e6933a856f --- /dev/null +++ b/fuzz/FuzzPathMeasure.cpp @@ -0,0 +1,35 @@ +/* + * Copyright 2018 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "Fuzz.h" +#include "FuzzCommon.h" +#include "SkPathMeasure.h" + +void inline ignoreResult(bool ) {} + +DEF_FUZZ(PathMeasure, fuzz) { + uint8_t bits; + fuzz->next(&bits); + SkScalar distance[6]; + for (auto index = 0; index < 6; ++index) { + fuzz->next(&distance[index]); + } + SkPath path; + BuildPath(fuzz, &path, SkPath::Verb::kDone_Verb); + SkRect bounds = path.getBounds(); + SkScalar maxDim = SkTMax(bounds.width(), bounds.height()); + SkScalar resScale = maxDim / 1000; + SkPathMeasure measure(path, bits & 1, resScale); + SkPoint position; + SkVector tangent; + ignoreResult(measure.getPosTan(distance[0], &position, &tangent)); + SkPath dst; + ignoreResult(measure.getSegment(distance[1], distance[2], &dst, (bits >> 1) & 1)); + ignoreResult(measure.nextContour()); + ignoreResult(measure.getPosTan(distance[3], &position, &tangent)); + ignoreResult(measure.getSegment(distance[4], distance[5], &dst, (bits >> 2) & 1)); +} -- cgit v1.2.3