From 26379ca002f243efe2d799eeaab715b31137e62a Mon Sep 17 00:00:00 2001 From: mtklein Date: Thu, 21 Jan 2016 09:25:32 -0800 Subject: Demo fuzz for Herb BUG=skia:4692 GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1611293002 Review URL: https://codereview.chromium.org/1611293002 --- fuzz/FuzzScaleToSides.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 fuzz/FuzzScaleToSides.cpp (limited to 'fuzz/FuzzScaleToSides.cpp') diff --git a/fuzz/FuzzScaleToSides.cpp b/fuzz/FuzzScaleToSides.cpp new file mode 100644 index 0000000000..88a2b920b0 --- /dev/null +++ b/fuzz/FuzzScaleToSides.cpp @@ -0,0 +1,45 @@ +/* + * Copyright 2016 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +// Reminder of how to run: +// $ env CC=afl-clang CXX=afl-clang++ ./gyp_skia +// $ ninja -C out/Debug fuzz +// $ afl-fuzz -i fuzz-in -o fuzz-out out/Debug/fuzz -n ScaleToSides -b @@ +// where you seed fuzz-in/ with one or more small files. + +#include "Fuzz.h" +#include "SkScaleToSides.h" +#include + +DEF_FUZZ(ScaleToSides, fuzz) { + float radius1 = fuzz->nextF(), + radius2 = fuzz->nextF(), + width = fuzz->nextF(); + SkDebugf("%g %g %g\n", radius1, radius2, width); + + if (!std::isfinite(radius1) || + !std::isfinite(radius2) || + !std::isfinite(width)) + { + fuzz->signalBoring(); + } + + if (width <= 0.0f) { + fuzz->signalBoring(); + } + + double scale = (double)width / ((double)radius1 + (double)radius2); + if (scale >= 1.0) { + fuzz->signalBoring(); + } + ScaleToSides::AdjustRadii(width, scale, &radius1, &radius2); + + // TODO(mtklein): add fuzz->keepResult() + volatile float junk = 0.0f; + junk *= radius1; + junk *= radius2; +} -- cgit v1.2.3