fuzzer fixes

tests/StrokeTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkRect.h"
 #include "SkStroke.h"
 #include "Test.h"
 
 static bool equal(const SkRect& a, const SkRect& b) {
     return  SkScalarNearlyEqual(a.left(), b.left()) &&
             SkScalarNearlyEqual(a.top(), b.top()) &&
             SkScalarNearlyEqual(a.right(), b.right()) &&
             SkScalarNearlyEqual(a.bottom(), b.bottom());
 }
 
+static void test_strokecubic(skiatest::Reporter* reporter) {
+    uint32_t hexCubicVals[] = {
+        0x424c1086, 0x44bcf0cb,  // fX=51.0161362 fY=1511.52478
+        0x424c107c, 0x44bcf0cb,  // fX=51.0160980 fY=1511.52478
+        0x424c10c2, 0x44bcf0cb,  // fX=51.0163651 fY=1511.52478
+        0x424c1119, 0x44bcf0ca,  // fX=51.0166969 fY=1511.52466
+    };
+    SkPoint cubicVals[] = {
+        {51.0161362f, 1511.52478f },
+        {51.0160980f, 1511.52478f },
+        {51.0163651f, 1511.52478f },
+        {51.0166969f, 1511.52466f },
+    };
+    SkPaint paint;
+
+    paint.setStyle(SkPaint::kStroke_Style);
+    paint.setStrokeWidth(0.394537568f);
+    SkPath path, fillPath;
+    path.moveTo(cubicVals[0]);
+    path.cubicTo(cubicVals[1], cubicVals[2], cubicVals[3]);
+    paint.getFillPath(path, &fillPath);
+    path.reset();
+    path.moveTo(SkBits2Float(hexCubicVals[0]), SkBits2Float(hexCubicVals[1]));
+    path.cubicTo(SkBits2Float(hexCubicVals[2]), SkBits2Float(hexCubicVals[3]),
+            SkBits2Float(hexCubicVals[4]), SkBits2Float(hexCubicVals[5]),
+            SkBits2Float(hexCubicVals[6]), SkBits2Float(hexCubicVals[7]));
+    paint.getFillPath(path, &fillPath);
+}
+
 static void test_strokerect(skiatest::Reporter* reporter) {
     const SkScalar width = SkIntToScalar(10);
     SkPaint paint;
 
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setStrokeWidth(width);
 
     SkRect r = { 0, 0, SkIntToScalar(200), SkIntToScalar(100) };
 
     SkRect outer(r);
@@ skipping 18 matching lines @@
         if (isMiter) {
             SkRect inner(r);
             inner.inset(width/2, width/2);
             REPORTER_ASSERT(reporter, equal(nested[0], outer));
             REPORTER_ASSERT(reporter, equal(nested[1], inner));
         }
     }
 }
 
 DEF_TEST(Stroke, reporter) {
+    test_strokecubic(reporter);
     test_strokerect(reporter);
 }