tesselating path renderer unit tests

src/gpu/GrTessellatingPathRenderer.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTessellatingPathRenderer.h"
 
 #include "GrBatch.h"
 #include "GrBatchTarget.h"
+#include "GrBatchTest.h"
 #include "GrDefaultGeoProcFactory.h"
 #include "GrPathUtils.h"
 #include "GrVertices.h"
 #include "SkChunkAlloc.h"
 #include "SkGeometry.h"
 
 #include <stdio.h>
 
 /*
  * This path renderer tessellates the path into triangles, uploads the triangles to a
@@ skipping 1485 matching lines @@
     SkMatrix vmi;
     if (!viewM.invert(&vmi)) {
         return false;
     }
     vmi.mapRect(&clipBounds);
     SkAutoTUnref<GrBatch> batch(TessellatingPathBatch::Create(color, path, viewM, clipBounds));
     target->drawBatch(pipelineBuilder, batch);
 
     return true;
 }
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef GR_TEST_UTILS
+
+BATCH_TEST_DEFINE(TesselatingPathRenderer) {
+    GrColor color = GrRandomColor(random);
+    SkMatrix viewMatrix = GrTest::TestMatrixInvertible(random);
+    SkPath path = GrTest::TestPath(random);
+    SkRect clipBounds = GrTest::TestRect(random);
+    SkMatrix vmi;
+    bool result = viewMatrix.invert(&vmi);
+    if (!result) {
+        SkFAIL("Cannot invert matrix\n");
+    }
+    vmi.mapRect(&clipBounds);
+    return TessellatingPathBatch::Create(color, path, viewMatrix, clipBounds);
+}
+
+#endif