add conics to path ops

tests/PathOpsDCubicTest.cpp

Index: tests/PathOpsDCubicTest.cpp
diff --git a/tests/PathOpsDCubicTest.cpp b/tests/PathOpsDCubicTest.cpp
index 422236de465ef1e894679e3aa00e6e98b5a54048..d6994943bddc16080a64b4aa1076528f3d219862 100644
--- a/tests/PathOpsDCubicTest.cpp
+++ b/tests/PathOpsDCubicTest.cpp
@@ -27,3 +27,17 @@ DEF_TEST(PathOpsDCubic, reporter) {
         }
     }
 }
+
+static const SkDCubic hullTests[] = {
+{{{2.6250000819563866, 2.3750000223517418}, {2.833333432674408, 2.3333333432674408}, {3.1111112236976624, 2.3333333134651184}, {3.4074075222015381, 2.3333332538604736}}},
+};
+
+static const size_t hullTests_count = SK_ARRAY_COUNT(hullTests);
+
+DEF_TEST(PathOpsCubicHull, reporter) {
+    for (size_t index = 0; index < hullTests_count; ++index) {
+        const SkDCubic& cubic = hullTests[index];
+        char order[4];
+        cubic.convexHull(order);
+    }
+}