Add base types for path ops

tests/PathOpsDCubicTest.cpp

Index: tests/PathOpsDCubicTest.cpp
===================================================================
--- tests/PathOpsDCubicTest.cpp	(revision 0)
+++ tests/PathOpsDCubicTest.cpp	(revision 0)
@@ -0,0 +1,30 @@
+/*
+ * 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 "SkPathOpsCubic.h"
+#include "Test.h"
+
+static const SkDCubic tests[] = {
+    {{{2, 0}, {3, 1}, {2, 2}, {1, 1}}},
+    {{{3, 1}, {2, 2}, {1, 1}, {2, 0}}},
+    {{{3, 0}, {2, 1}, {3, 2}, {1, 1}}},
+};
+
+static const size_t tests_count = sizeof(tests) / sizeof(tests[0]);
+
+static void DCubicTest(skiatest::Reporter* reporter) {
+    for (size_t index = 0; index < tests_count; ++index) {
+        const SkDCubic& cubic = tests[index];
+        bool result = cubic.clockwise();
+        if (!result) {
+            SkDebugf("%s [%d] expected clockwise\n", __FUNCTION__, index);
+            REPORTER_ASSERT(reporter, 0);
+        }
+    }
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("PathOpsDCubic", PathOpsDCubic, DCubicTest)