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1 /*
2  * Copyright 2018 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "fuzz/Fuzz.h"
9 #include "fuzz/FuzzCommon.h"
10 #include "include/core/SkData.h"
11 #include "include/core/SkPath.h"
12 #include "include/core/SkRegion.h"
13 
14 
FuzzRegionSetPath(Fuzz * fuzz)15 void FuzzRegionSetPath(Fuzz* fuzz) {
16     SkPath p;
17     FuzzNicePath(fuzz, &p, 1000);
18     SkRegion r1;
19     bool initR1;
20     fuzz->next(&initR1);
21     if (initR1) {
22         fuzz->next(&r1);
23     }
24     SkRegion r2;
25     fuzz->next(&r2);
26 
27     r1.setPath(p, r2);
28 
29     // Do some follow on computations to make sure region is well-formed.
30     r1.computeRegionComplexity();
31     r1.isComplex();
32     if (r1 == r2) {
33         r1.contains(0,0);
34     } else {
35         r1.contains(1,1);
36     }
37 }
38 
39 // TODO(kjlubick): remove IS_FUZZING... after https://crrev.com/c/2410304 lands
40 #if defined(SK_BUILD_FOR_LIBFUZZER) || defined(IS_FUZZING_WITH_LIBFUZZER)
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)41 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
42     if (size > 512) {
43         return 0;
44     }
45     sk_sp<SkData> bytes(SkData::MakeWithoutCopy(data, size));
46     Fuzz fuzz(bytes);
47     FuzzRegionSetPath(&fuzz);
48     return 0;
49 }
50 #endif
51