media: Add RunOnDestruction

media/base/run_on_destruction_unittest.cc

+// Copyright  2017 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 "media/base/run_on_destruction.h"
+
+#include <memory>
+#include <utility>
+
+#include "base/memory/free_deleter.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/synchronization/waitable_event.h"
+#include "base/threading/thread.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+namespace {
+
+void BoundBoolSet(bool* var, bool val) {
+  *var = val;
+}
+
+void BoundIntegersSet(int* a_var, int* b_var, int a_val, int b_val) {
+  *a_var = a_val;
+  *b_var = b_val;
+}
+
+/*
+void BoundBoolSetFromScopedPtr(bool* var, std::unique_ptr<bool> val) {
+  *var = *val;
+}
+
+void BoundBoolSetFromScopedPtrFreeDeleter(
+    bool* var,
+    std::unique_ptr<bool, base::FreeDeleter> val) {
+  *var = *val;
+}
+
+void BoundBoolSetFromScopedArray(bool* var, std::unique_ptr<bool[]> val) {
+  *var = val[0];
+}
+
+void BoundBoolSetFromConstRef(bool* var, const bool& val) {
+  *var = val;
+}
+
+
+void RunAndClearReference(base::Closure cb) {
+  cb.Run();
+}
+
+void ClearReference(base::Closure cb) {}
+
+*/
+
+}  // namespace
+
+TEST(RunOnDestructionTest, Closure_Run) {
+  bool bool_var = false;
+  base::OnceClosure cb = RunOnDestruction(base::Bind(
+      &BoundBoolSet, &bool_var, true));
+  std::move(cb).Run();
+  EXPECT_TRUE(bool_var);
+}
+
+TEST(RunOnDestructionTest, Closure_Destruction) {
+  bool bool_var = false;
+  {
+    base::OnceClosure cb =
+        RunOnDestruction(base::Bind(&BoundBoolSet, &bool_var, true));
+  }
+  EXPECT_TRUE(bool_var);
+}
+
+TEST(RunOnDestructionTest, Bool_Run) {
+  bool bool_var = false;
+  base::OnceCallback<void(bool)> cb = RunOnDestruction(base::Bind(
+      &BoundBoolSet, &bool_var), false);
+  std::move(cb).Run(true);
+  EXPECT_TRUE(bool_var);
+}
+
+TEST(RunOnDestructionTest, Bool_Destruction) {
+  bool bool_var = false;
+  {
+    base::OnceCallback<void(bool)> cb =
+        RunOnDestruction(base::Bind(&BoundBoolSet, &bool_var), true);
+  }
+  EXPECT_TRUE(bool_var);
+}
+
+TEST(RunOnDestructionTest, Integers_Run) {
+  int a = 0;
+  int b = 0;
+  base::OnceCallback<void(int, int)> cb = RunOnDestruction(base::Bind(
+      &BoundIntegersSet, &a, &b), 3, 4);
+  std::move(cb).Run(1, 2);
+  EXPECT_EQ(a, 1);
+  EXPECT_EQ(b, 2);
+}
+
+TEST(RunOnDestructionTest, Integers_Destruction) {
+  int a = 0;
+  int b = 0;
+  {
+    base::OnceCallback<void(int, int)> cb =
+        RunOnDestruction(base::Bind(&BoundIntegersSet, &a, &b), 3, 4);
+  }
+  EXPECT_EQ(a, 3);
+  EXPECT_EQ(b, 4);
+}
+
+/*
+TEST(RunOnDestructionTest, BoundScopedPtrBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool> scoped_ptr_bool(new bool(true));
+  base::Closure cb = RunOnDestruction(base::Bind(
+      &BoundBoolSetFromScopedPtr, &bool_val, base::Passed(&scoped_ptr_bool)));
+  cb.Run();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, PassedScopedPtrBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool> scoped_ptr_bool(new bool(true));
+  base::Callback<void(std::unique_ptr<bool>)> cb =
+      RunOnDestruction(base::Bind(&BoundBoolSetFromScopedPtr, &bool_val));
+  cb.Run(std::move(scoped_ptr_bool));
+  EXPECT_FALSE(bool_val);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, BoundScopedArrayBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool[]> scoped_array_bool(new bool[1]);
+  scoped_array_bool[0] = true;
+  base::Closure cb = RunOnDestruction(base::Bind(
+      &BoundBoolSetFromScopedArray, &bool_val,
+      base::Passed(&scoped_array_bool)));
+  cb.Run();
+  EXPECT_FALSE(bool_val);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, PassedScopedArrayBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool[]> scoped_array_bool(new bool[1]);
+  scoped_array_bool[0] = true;
+  base::Callback<void(std::unique_ptr<bool[]>)> cb =
+      RunOnDestruction(base::Bind(&BoundBoolSetFromScopedArray, &bool_val));
+  cb.Run(std::move(scoped_array_bool));
+  EXPECT_FALSE(bool_val);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, BoundScopedPtrFreeDeleterBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool, base::FreeDeleter> scoped_ptr_free_deleter_bool(
+      static_cast<bool*>(malloc(sizeof(bool))));
+  *scoped_ptr_free_deleter_bool = true;
+  base::Closure cb = RunOnDestruction(base::Bind(
+      &BoundBoolSetFromScopedPtrFreeDeleter, &bool_val,
+      base::Passed(&scoped_ptr_free_deleter_bool)));
+  cb.Run();
+  EXPECT_FALSE(bool_val);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, PassedScopedPtrFreeDeleterBool) {
+  bool bool_val = false;
+  std::unique_ptr<bool, base::FreeDeleter> scoped_ptr_free_deleter_bool(
+      static_cast<bool*>(malloc(sizeof(bool))));
+  *scoped_ptr_free_deleter_bool = true;
+  base::Callback<void(std::unique_ptr<bool, base::FreeDeleter>)> cb =
+      RunOnDestruction(
+          base::Bind(&BoundBoolSetFromScopedPtrFreeDeleter, &bool_val));
+  cb.Run(std::move(scoped_ptr_free_deleter_bool));
+  EXPECT_FALSE(bool_val);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_val);
+}
+
+TEST(RunOnDestructionTest, BoolConstRef) {
+  bool bool_var = false;
+  bool true_var = true;
+  const bool& true_ref = true_var;
+  base::Closure cb = RunOnDestruction(base::Bind(
+      &BoundBoolSetFromConstRef, &bool_var, true_ref));
+  cb.Run();
+  EXPECT_FALSE(bool_var);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(bool_var);
+}
+
+*/
+
+}  // namespace media