path ops work in progress

tests/PathOpsCubicLineIntersectionTest.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 "PathOpsTestCommon.h"
 #include "SkIntersections.h"
 #include "SkPathOpsCubic.h"
 #include "SkPathOpsLine.h"
 #include "SkReduceOrder.h"
 #include "Test.h"
 
 static struct lineCubic {
     SkDCubic cubic;
     SkDLine line;
 } lineCubicTests[] = {
+    {{{{0,1}, {1,6}, {4,1}, {4,3}}},
+            {{{6,1}, {1,4}}}},
+
+    {{{{0,1}, {2,6}, {4,1}, {5,4}}},
+            {{{6,2}, {1,4}}}},
+
     {{{{0,4}, {3,4}, {6,2}, {5,2}}},
             {{{4,3}, {2,6}}}},
 #if 0
     {{{{258, 122}, {260.761414, 122}, { 263, 124.238579}, {263, 127}}},
             {{{259.82843, 125.17157}, {261.535522, 123.46447}}}},
 #endif
     {{{{1006.6951293945312,291}, {1023.263671875,291}, {1033.8402099609375,304.43145751953125},
             {1030.318359375,321}}},
             {{{979.30487060546875,561}, {1036.695068359375,291}}}},
     {{{{259.30487060546875,561}, {242.73631286621094,561}, {232.15980529785156,547.56854248046875},
@@ skipping 70 matching lines @@
     SkDebugf("{{%1.9g,%1.9g}, {%1.9g,%1.9g}},\n", i.pt(0).fX, i.pt(0).fY, nextL.fX, nextL.fY);
     SkDebugf("prevD=%1.9g dist=%1.9g nextD=%1.9g\n", prev.distance(nextL),
             sect.distance(i.pt(0)), cubic[3].distance(prevL));
 #endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS_SHORT(PathOpsCubicLineIntersectionTest)
 
 DEFINE_TESTCLASS_SHORT(PathOpsCubicLineIntersectionOneOffTest)