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Exercise entire public PathOp API

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Bug: skia:
Change-Id: Ic33496e33353f1ee5a29ee6140039a2ec8a5dc7d
Reviewed-on: https://skia-review.googlesource.com/c/161424
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
This commit is contained in:
Kevin Lubick 2018-10-11 11:20:04 -04:00 committed by Skia Commit-Bot
parent 5dfcf1300a
commit 0a5152efd3
1 changed files with 97 additions and 9 deletions
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100
fuzz/FuzzPathop.cpp
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@ -9,19 +9,107 @@
#include "FuzzCommon.h"
#include "SkPath.h"
#include "SkPathOps.h"
#include "SkRect.h"
const int kLastOp = SkPathOp::kReverseDifference_SkPathOp;
const uint8_t MAX_OPS = 20;
DEF_FUZZ(Pathop, fuzz) {
SkOpBuilder builder;
uint8_t stragglerOp;
fuzz->next(&stragglerOp);
uint8_t choice;
fuzz->nextRange(&choice, 0, 4);
switch (choice) {
case 0: {
SkPath path;
FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
builder.add(path, static_cast<SkPathOp>(stragglerOp % (kLastOp + 1)));
SkPath::FillType ft;
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
uint8_t ops;
fuzz->nextRange(&ops, 0, MAX_OPS);
SkOpBuilder builder;
for (uint8_t i = 0; i < ops; i++) {
SkPathOp op;
fuzz->nextEnum(&op, 0, SkPathOp::kReverseDifference_SkPathOp);
builder.add(path, op);
}
SkPath result;
builder.resolve(&result);
break;
}
case 1: {
SkPath path;
FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
SkPath::FillType ft;
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
SkPath result;
bool isSame;
fuzz->next(&isSame);
if (isSame) {
result = path;
}
Simplify(path, &result);
break;
}
case 2: {
SkPath path;
FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
SkPath::FillType ft;
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
SkPath path2;
FuzzEvilPath(fuzz, &path2, SkPath::Verb::kDone_Verb);
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
SkPathOp op;
fuzz->nextEnum(&op, 0, SkPathOp::kReverseDifference_SkPathOp);
SkPath result;
uint8_t pickOutput;
fuzz->nextRange(&pickOutput, 0, 2);
if (pickOutput == 1) {
result = path;
} else if (pickOutput == 2) {
result = path2;
}
Op(path, path2, op, &result);
break;
}
case 3: {
SkPath path;
FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
SkPath::FillType ft;
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
SkPath result;
bool isSame;
fuzz->next(&isSame);
if (isSame) {
result = path;
}
AsWinding(path, &result);
break;
}
case 4: {
SkPath path;
FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
SkPath::FillType ft;
fuzz->nextEnum(&ft, 0, SkPath::kInverseEvenOdd_FillType);
path.setFillType(ft);
SkRect result;
TightBounds(path, &result);
break;
}
default: {
SkASSERT(false);
break;
}
}
}