4319593988
This feels rather clunky, because we aren't using the full potential of the fuzzer, but it works, it seems. BUG=skia:4969 GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1710183002 Review URL: https://codereview.chromium.org/1710183002
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef Fuzz_DEFINED
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#define Fuzz_DEFINED
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#include "SkData.h"
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#include "SkTRegistry.h"
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#include "SkTypes.h"
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class Fuzz : SkNoncopyable {
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public:
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explicit Fuzz(SkData*);
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bool nextBool();
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uint8_t nextB();
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uint32_t nextU();
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// This can be nan, +- infinity, 0, anything.
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float nextF();
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// Returns a float between [0..1) as a IEEE float
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float nextF1();
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// Return the next fuzzed value [min, max) as an unsigned 32bit integer.
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uint32_t nextRangeU(uint32_t min, uint32_t max);
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/**
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* Returns next fuzzed value [min...max) as a float.
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* Will not be Infinity or NaN.
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*/
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float nextRangeF(float min, float max);
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void signalBug (); // Tell afl-fuzz these inputs found a bug.
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void signalBoring(); // Tell afl-fuzz these inputs are not worth testing.
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private:
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template <typename T>
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T nextT();
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SkAutoTUnref<SkData> fBytes;
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int fNextByte;
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};
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struct Fuzzable {
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const char* name;
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void (*fn)(Fuzz*);
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};
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#define DEF_FUZZ(name, f) \
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static void fuzz_##name(Fuzz*); \
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SkTRegistry<Fuzzable> register_##name({#name, fuzz_##name}); \
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static void fuzz_##name(Fuzz* f)
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#endif//Fuzz_DEFINED
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