Create a QUIC wrapper around scoped_refptr.

net/quic/platform/api/quic_reference_counted_test.cc

+// Copyright (c) 2016 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 "net/quic/platform/api/quic_reference_counted.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+namespace test {
+namespace {
+
+class Base : public QuicReferenceCounted {
+ public:
+  explicit Base(bool* destroyed) : destroyed_(destroyed) {
+    *destroyed_ = false;
+  }
+
+  bool destroyed() const { return *destroyed_; }
+
+ protected:
+  ~Base() override { *destroyed_ = true; }
+
+ private:
+  bool* destroyed_;
+};
+
+class Derived : public Base {
+ public:
+  explicit Derived(bool* destroyed) : Base(destroyed) {}
+
+ private:
+  ~Derived() override {}
+};
+
+TEST(QuicReferenceCountedTest, DefaultConstructor) {
+  QuicReferenceCountedPointer<Base> a;
+  EXPECT_EQ(nullptr, a);
+  EXPECT_EQ(nullptr, a.get());
+  EXPECT_FALSE(a);
+}
+
+TEST(QuicReferenceCountedTest, ConstructFromRawPointer) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Base> a(new Base(&destroyed));
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, RawPointerAssignment) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Base> a;
+    Base* rct = new Base(&destroyed);
+    a = rct;
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerCopy) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Base> a(new Base(&destroyed));
+    {
+      QuicReferenceCountedPointer<Base> b(a);
+      EXPECT_EQ(a, b);
+      EXPECT_FALSE(destroyed);
+    }
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerCopyAssignment) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Base> a(new Base(&destroyed));
+    {
+      QuicReferenceCountedPointer<Base> b = a;
+      EXPECT_EQ(a, b);
+      EXPECT_FALSE(destroyed);
+    }
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerCopyFromOtherType) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Derived> a(new Derived(&destroyed));
+    {
+      QuicReferenceCountedPointer<Base> b(a);
+      EXPECT_EQ(a.get(), b.get());
+      EXPECT_FALSE(destroyed);
+    }
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerCopyAssignmentFromOtherType) {
+  bool destroyed = false;
+  {
+    QuicReferenceCountedPointer<Derived> a(new Derived(&destroyed));
+    {
+      QuicReferenceCountedPointer<Base> b = a;
+      EXPECT_EQ(a.get(), b.get());
+      EXPECT_FALSE(destroyed);
+    }
+    EXPECT_FALSE(destroyed);
+  }
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerMove) {
+  bool destroyed = false;
+  QuicReferenceCountedPointer<Base> a(new Derived(&destroyed));
+  EXPECT_FALSE(destroyed);
+  QuicReferenceCountedPointer<Base> b(std::move(a));
+  EXPECT_FALSE(destroyed);
+  EXPECT_NE(nullptr, b);
+  EXPECT_EQ(nullptr, a);  // NOLINT
+
+  b = nullptr;
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerMoveAssignment) {
+  bool destroyed = false;
+  QuicReferenceCountedPointer<Base> a(new Derived(&destroyed));
+  EXPECT_FALSE(destroyed);
+  QuicReferenceCountedPointer<Base> b = std::move(a);
+  EXPECT_FALSE(destroyed);
+  EXPECT_NE(nullptr, b);
+  EXPECT_EQ(nullptr, a);  // NOLINT
+
+  b = nullptr;
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerMoveFromOtherType) {
+  bool destroyed = false;
+  QuicReferenceCountedPointer<Derived> a(new Derived(&destroyed));
+  EXPECT_FALSE(destroyed);
+  QuicReferenceCountedPointer<Base> b(std::move(a));
+  EXPECT_FALSE(destroyed);
+  EXPECT_NE(nullptr, b);
+  EXPECT_EQ(nullptr, a);  // NOLINT
+
+  b = nullptr;
+  EXPECT_TRUE(destroyed);
+}
+
+TEST(QuicReferenceCountedTest, PointerMoveAssignmentFromOtherType) {
+  bool destroyed = false;
+  QuicReferenceCountedPointer<Derived> a(new Derived(&destroyed));
+  EXPECT_FALSE(destroyed);
+  QuicReferenceCountedPointer<Base> b = std::move(a);
+  EXPECT_FALSE(destroyed);
+  EXPECT_NE(nullptr, b);
+  EXPECT_EQ(nullptr, a);  // NOLINT
+
+  b = nullptr;
+  EXPECT_TRUE(destroyed);
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace net