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let line/cubic intersect at four spots

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With this, let's update the fuzzer.

R=kjlubick@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2169983002

Review-Url: https://codereview.chromium.org/2169983002
This commit is contained in:
caryclark 2016-07-21 12:28:04 -07:00 committed by Commit bot
parent 7fbfbbe8f4
commit a339bb0d95
2 changed files with 35 additions and 1 deletions
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2
src/pathops/SkDCubicLineIntersection.cpp
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@ -87,7 +87,7 @@ public:
, fLine(l)
, fIntersections(i)
, fAllowNear(true) {
i->setMax(3);
i->setMax(4);
}
void allowNear(bool allow) {

34
tests/PathOpsOpTest.cpp
View File

@ -6500,7 +6500,41 @@ path.cubicTo(SkBits2Float(0x5568c23a), SkBits2Float(0x5b2d2968), SkBits2Float(0x
testPathOpFail(reporter, path1, path2, (SkPathOp) 0, filename);
}
static void kfuzz2(skiatest::Reporter* reporter, const char* filename) {
SkPath path1;
SkPath path;
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0xfafadbfa)); // 0, -6.51268e+35f
path.close();
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0xfafadbfa)); // 0, -6.51268e+35f
path.cubicTo(SkBits2Float(0xe3000000), SkBits2Float(0xf19e92c7), SkBits2Float(0xf17febcb), SkBits2Float(0xff7febcb), SkBits2Float(0x60600100), SkBits2Float(0x0100ff60)); // -2.36118e+21f, -1.57043e+30f, -1.26726e+30f, -3.40177e+38f, 6.45647e+19f, 2.36931e-38f
path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0xfafadbfa)); // 0, -6.51268e+35f
path.close();
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0xfafadbfa)); // 0, -6.51268e+35f
path.lineTo(SkBits2Float(0x60601a1d), SkBits2Float(0x60606060)); // 6.4593e+19f, 6.46721e+19f
path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0xfafadbfa)); // 0, -6.51268e+35f
path.close();
path.moveTo(SkBits2Float(0xe5e2f300), SkBits2Float(0xee244a40)); // -1.33967e+23f, -1.27113e+28f
path.moveTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.close();
path.moveTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.lineTo(SkBits2Float(0xfafafafa), SkBits2Float(0xe30000fa)); // -6.51582e+35f, -2.36125e+21f
path.conicTo(SkBits2Float(0x92e592e5), SkBits2Float(0xfafafafb), SkBits2Float(0xc4fa0000), SkBits2Float(0x6060fafa), SkBits2Float(0x60606060)); // -1.44881e-27f, -6.51582e+35f, -2000, 6.48462e+19f, 6.46721e+19f
path.lineTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.close();
path.moveTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.cubicTo(SkBits2Float(0xe3000000), SkBits2Float(0xf19e92c7), SkBits2Float(0xf17febcb), SkBits2Float(0xff7febcb), SkBits2Float(0xfafafa00), SkBits2Float(0xfafafafa)); // -2.36118e+21f, -1.57043e+30f, -1.26726e+30f, -3.40177e+38f, -6.51572e+35f, -6.51582e+35f
path.lineTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.close();
path.moveTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.cubicTo(SkBits2Float(0xe3000000), SkBits2Float(0xe39e92c7), SkBits2Float(0xf17febcb), SkBits2Float(0xff7febcb), SkBits2Float(0xeed0ee9a), SkBits2Float(0x9a98ffca)); // -2.36118e+21f, -5.85032e+21f, -1.26726e+30f, -3.40177e+38f, -3.23307e+28f, -6.3279e-23f
path.lineTo(SkBits2Float(0xba98ffee), SkBits2Float(0xfafafa1a)); // -0.0011673f, -6.51573e+35f
path.close();
SkPath path2(path);
testPathOpFail(reporter, path1, path2, kXOR_SkPathOp, filename);
}
static struct TestDesc failTests[] = {
TEST(kfuzz2),
TEST(fuzz763_7),
TEST(fuzz763_6),
TEST(fuzz763_2c),