cc: Don't leak a ref to SkColorFilter.

skia/ext/refptr_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "skia/ext/refptr.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace skia {
 namespace {
 
+TEST(RefPtrTest, EmptyContruction) {
+  RefPtr<SkRefCnt> refptr;
+  EXPECT_FALSE(refptr);
+}
+
 TEST(RefPtrTest, ReferenceCounting) {
   SkRefCnt* ref = new SkRefCnt();
   EXPECT_EQ(1, ref->getRefCnt());
 
   {
     // Adopt the reference from the caller on creation.
     RefPtr<SkRefCnt> refptr1 = AdoptRef(ref);
     EXPECT_EQ(1, ref->getRefCnt());
     EXPECT_EQ(1, refptr1->getRefCnt());
 
@@ skipping 92 matching lines @@
   EXPECT_EQ(1, child->getRefCnt());
 
   RefPtr<SkRefCnt> parent = child;
   EXPECT_TRUE(child);
   EXPECT_TRUE(parent);
 
   EXPECT_EQ(2, child->getRefCnt());
   EXPECT_EQ(2, parent->getRefCnt());
 }
 
+bool Factory(SkRefCnt** refcnt) {
+  *refcnt = new SkRefCnt;
+  return true;
+}
+
+TEST(RefPtrTest, Receive) {
+  RefPtr<SkRefCnt> refptr;
+  Factory(refptr.ReceiveAndAdoptRef());
+  EXPECT_EQ(1, refptr->getRefCnt());
+}
+
+TEST(RefPtrTest, ReceiveAndUseInSameExpression) {
+  // This should assert, but only in debug mode.
+#ifndef NDEBUG
+  RefPtr<SkRefCnt> refptr;
+  EXPECT_DEATH({ Factory(refptr.ReceiveAndAdoptRef()) && refptr.get(); }, "");
+#endif
+}
+
 }  // namespace
 }  // namespace skia