split tight quads and cubics

tests/PathOpsOpTest.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 "PathOpsExtendedTest.h"
 #include "PathOpsTestCommon.h"
 
 class PathTest_Private {
@@ skipping 5357 matching lines @@
     path.moveTo(0,1);
     path.cubicTo(2,4, 2,0, 2,0);
     path.close();
     pathB.setFillType(SkPath::kWinding_FillType);
     pathB.moveTo(0,2);
     pathB.cubicTo(0,2, 1,0, 4,2);
     pathB.close();
     testPathOp(reporter, path, pathB, kDifference_SkPathOp, filename);
 }
 
+static void loop17(skiatest::Reporter* reporter, const char* filename) {
+    SkPath path, pathB;
+    path.moveTo(1, 2);
+    path.cubicTo(0, 3, -0.333333343f, 3.33333325f, 0.833333373f, 3.5f);
+    path.close();
+    pathB.moveTo(0, 3);
+    pathB.cubicTo(-0.333333343f, 3.33333325f, 0.833333373f, 3.5f, 1, 2);
+    pathB.close();
+    testPathOp(reporter, path, pathB, kIntersect_SkPathOp, filename);
+}
+
+static void circlesOp4(skiatest::Reporter* reporter, const char* filename) {
+    SkPath path, pathB;
+    path.setFillType(SkPath::kWinding_FillType);
+    path.addCircle(0, 1, 5, SkPath::kCW_Direction);
+    pathB.setFillType(SkPath::kWinding_FillType);
+    pathB.addCircle(0, 1, 0, SkPath::kCW_Direction);
+    testPathOp(reporter, path, pathB, kDifference_SkPathOp, filename);
+}
+
 static void (*skipTest)(skiatest::Reporter* , const char* filename) = 0;
 static void (*firstTest)(skiatest::Reporter* , const char* filename) = 0;
 static void (*stopTest)(skiatest::Reporter* , const char* filename) = 0;
 
 #define TEST(name) { name, #name }
 
 static struct TestDesc tests[] = {
+    TEST(circlesOp4),
+    TEST(loop17),
     TEST(cubicOp158),
     TEST(loops_i1),
     TEST(loops_i2),
     TEST(loops_i3),
     TEST(loops_i4),
     TEST(loops_i5),
     TEST(loops_i6),
     TEST(cubics_d3),
     TEST(cubics_o),
     TEST(cubics_d2),
@@ skipping 2506 matching lines @@
 static struct TestDesc repTests[] = {
     TEST(loops44i),
     TEST(loops45i),
     TEST(loops46i),
 };
 
 DEF_TEST(PathOpsRepOp, reporter) {
   for (int index = 0; index < 2; ++index)
     RunTestSet(reporter, repTests, SK_ARRAY_COUNT(repTests), nullptr, nullptr, nullptr, false);
 }