Index: base/callback_registry_unittest.cc |
diff --git a/base/callback_registry_unittest.cc b/base/callback_registry_unittest.cc |
deleted file mode 100644 |
index 826aa0da6f133b297b9932c0aaf978942dffec6e..0000000000000000000000000000000000000000 |
--- a/base/callback_registry_unittest.cc |
+++ /dev/null |
@@ -1,284 +0,0 @@ |
-// Copyright 2013 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 "base/callback_registry.h" |
- |
-#include "base/basictypes.h" |
-#include "base/bind.h" |
-#include "base/bind_helpers.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-namespace base { |
-namespace { |
- |
-class Listener { |
- public: |
- Listener() : total_(0), scaler_(1) {} |
- explicit Listener(int scaler) : total_(0), scaler_(scaler) {} |
- void IncrementTotal() { total_++; } |
- void IncrementByMultipleOfScaler(int x) { total_ += x * scaler_; } |
- |
- int total_; |
- |
- private: |
- int scaler_; |
- DISALLOW_COPY_AND_ASSIGN(Listener); |
-}; |
- |
-class Remover { |
- public: |
- Remover() : total_(0) {} |
- void IncrementTotalAndRemove() { |
- total_++; |
- removal_subscription_.reset(); |
- } |
- void SetSubscriptionToRemove( |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> sub) { |
- removal_subscription_ = sub.Pass(); |
- } |
- |
- int total_; |
- |
- private: |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> removal_subscription_; |
- DISALLOW_COPY_AND_ASSIGN(Remover); |
-}; |
- |
-class Adder { |
- public: |
- explicit Adder(CallbackRegistry<void(void)>* cb_reg) |
- : added_(false), |
- total_(0), |
- cb_reg_(cb_reg) {} |
- void AddCallback() { |
- if (!added_) { |
- added_ = true; |
- subscription_ = |
- cb_reg_->Add(Bind(&Adder::IncrementTotal, Unretained(this))); |
- } |
- } |
- void IncrementTotal() { total_++; } |
- |
- bool added_; |
- int total_; |
- |
- private: |
- CallbackRegistry<void(void)>* cb_reg_; |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> subscription_; |
- DISALLOW_COPY_AND_ASSIGN(Adder); |
-}; |
- |
-class Summer { |
- public: |
- Summer() : value_(0) {} |
- |
- void AddOneParam(int a) { value_ = a; } |
- void AddTwoParam(int a, int b) { value_ = a + b; } |
- void AddThreeParam(int a, int b, int c) { value_ = a + b + c; } |
- void AddFourParam(int a, int b, int c, int d) { value_ = a + b + c + d; } |
- void AddFiveParam(int a, int b, int c, int d, int e) { |
- value_ = a + b + c + d + e; |
- } |
- void AddSixParam(int a, int b, int c, int d, int e , int f) { |
- value_ = a + b + c + d + e + f; |
- } |
- |
- int value_; |
- |
- private: |
- DISALLOW_COPY_AND_ASSIGN(Summer); |
-}; |
- |
-// Sanity check that we can instantiate a CallbackRegistry for each arity. |
-TEST(CallbackRegistryTest, ArityTest) { |
- Summer s; |
- |
- CallbackRegistry<void(int)> c1; |
- scoped_ptr<CallbackRegistry<void(int)>::Subscription> subscription1 = |
- c1.Add(Bind(&Summer::AddOneParam, Unretained(&s))); |
- |
- c1.Notify(1); |
- EXPECT_EQ(1, s.value_); |
- |
- CallbackRegistry<void(int, int)> c2; |
- scoped_ptr<CallbackRegistry<void(int, int)>::Subscription> subscription2 = |
- c2.Add(Bind(&Summer::AddTwoParam, Unretained(&s))); |
- |
- c2.Notify(1, 2); |
- EXPECT_EQ(3, s.value_); |
- |
- CallbackRegistry<void(int, int, int)> c3; |
- scoped_ptr<CallbackRegistry<void(int, int, int)>::Subscription> |
- subscription3 = c3.Add(Bind(&Summer::AddThreeParam, Unretained(&s))); |
- |
- c3.Notify(1, 2, 3); |
- EXPECT_EQ(6, s.value_); |
- |
- CallbackRegistry<void(int, int, int, int)> c4; |
- scoped_ptr<CallbackRegistry<void(int, int, int, int)>::Subscription> |
- subscription4 = c4.Add(Bind(&Summer::AddFourParam, Unretained(&s))); |
- |
- c4.Notify(1, 2, 3, 4); |
- EXPECT_EQ(10, s.value_); |
- |
- CallbackRegistry<void(int, int, int, int, int)> c5; |
- scoped_ptr<CallbackRegistry<void(int, int, int, int, int)>::Subscription> |
- subscription5 = c5.Add(Bind(&Summer::AddFiveParam, Unretained(&s))); |
- |
- c5.Notify(1, 2, 3, 4, 5); |
- EXPECT_EQ(15, s.value_); |
- |
- CallbackRegistry<void(int, int, int, int, int, int)> c6; |
- scoped_ptr<CallbackRegistry<void(int, int, int, int, int, int)>::Subscription> |
- subscription6 = c6.Add(Bind(&Summer::AddSixParam, Unretained(&s))); |
- |
- c6.Notify(1, 2, 3, 4, 5, 6); |
- EXPECT_EQ(21, s.value_); |
-} |
- |
-// Sanity check that closures added to the list will be run, and those removed |
-// from the list will not be run. |
-TEST(CallbackRegistryTest, BasicTest) { |
- CallbackRegistry<void(void)> cb_reg; |
- Listener a, b, c; |
- |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> a_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&a))); |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> b_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&b))); |
- |
- EXPECT_TRUE(a_subscription.get()); |
- EXPECT_TRUE(b_subscription.get()); |
- |
- cb_reg.Notify(); |
- |
- EXPECT_EQ(1, a.total_); |
- EXPECT_EQ(1, b.total_); |
- |
- b_subscription.reset(); |
- |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> c_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&c))); |
- |
- cb_reg.Notify(); |
- |
- EXPECT_EQ(2, a.total_); |
- EXPECT_EQ(1, b.total_); |
- EXPECT_EQ(1, c.total_); |
- |
- a_subscription.reset(); |
- b_subscription.reset(); |
- c_subscription.reset(); |
-} |
- |
-// Sanity check that callbacks with details added to the list will be run, with |
-// the correct details, and those removed from the list will not be run. |
-TEST(CallbackRegistryTest, BasicTestWithParams) { |
- CallbackRegistry<void(int)> cb_reg; |
- Listener a(1), b(-1), c(1); |
- |
- scoped_ptr<CallbackRegistry<void(int)>::Subscription> a_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementByMultipleOfScaler, Unretained(&a))); |
- scoped_ptr<CallbackRegistry<void(int)>::Subscription> b_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementByMultipleOfScaler, Unretained(&b))); |
- |
- EXPECT_TRUE(a_subscription.get()); |
- EXPECT_TRUE(b_subscription.get()); |
- |
- cb_reg.Notify(10); |
- |
- EXPECT_EQ(10, a.total_); |
- EXPECT_EQ(-10, b.total_); |
- |
- b_subscription.reset(); |
- |
- scoped_ptr<CallbackRegistry<void(int)>::Subscription> c_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementByMultipleOfScaler, Unretained(&c))); |
- |
- cb_reg.Notify(10); |
- |
- EXPECT_EQ(20, a.total_); |
- EXPECT_EQ(-10, b.total_); |
- EXPECT_EQ(10, c.total_); |
- |
- a_subscription.reset(); |
- b_subscription.reset(); |
- c_subscription.reset(); |
-} |
- |
-// Test the a callback can remove itself or a different callback from the list |
-// during iteration without invalidating the iterator. |
-TEST(CallbackRegistryTest, RemoveCallbacksDuringIteration) { |
- CallbackRegistry<void(void)> cb_reg; |
- Listener a, b; |
- Remover remover_1, remover_2; |
- |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> remover_1_sub = |
- cb_reg.Add(Bind(&Remover::IncrementTotalAndRemove, |
- Unretained(&remover_1))); |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> remover_2_sub = |
- cb_reg.Add(Bind(&Remover::IncrementTotalAndRemove, |
- Unretained(&remover_2))); |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> a_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&a))); |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> b_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&b))); |
- |
- // |remover_1| will remove itself. |
- remover_1.SetSubscriptionToRemove(remover_1_sub.Pass()); |
- // |remover_2| will remove a. |
- remover_2.SetSubscriptionToRemove(a_subscription.Pass()); |
- |
- cb_reg.Notify(); |
- |
- // |remover_1| runs once (and removes itself), |remover_2| runs once (and |
- // removes a), |a| never runs, and |b| runs once. |
- EXPECT_EQ(1, remover_1.total_); |
- EXPECT_EQ(1, remover_2.total_); |
- EXPECT_EQ(0, a.total_); |
- EXPECT_EQ(1, b.total_); |
- |
- cb_reg.Notify(); |
- |
- // Only |remover_2| and |b| run this time. |
- EXPECT_EQ(1, remover_1.total_); |
- EXPECT_EQ(2, remover_2.total_); |
- EXPECT_EQ(0, a.total_); |
- EXPECT_EQ(2, b.total_); |
-} |
- |
-// Test that a callback can add another callback to the list durning iteration |
-// without invalidating the iterator. The newly added callback should be run on |
-// the current iteration as will all other callbacks in the list. |
-TEST(CallbackRegistryTest, AddCallbacksDuringIteration) { |
- CallbackRegistry<void(void)> cb_reg; |
- Adder a(&cb_reg); |
- Listener b; |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> a_subscription = |
- cb_reg.Add(Bind(&Adder::AddCallback, Unretained(&a))); |
- scoped_ptr<CallbackRegistry<void(void)>::Subscription> b_subscription = |
- cb_reg.Add(Bind(&Listener::IncrementTotal, Unretained(&b))); |
- |
- cb_reg.Notify(); |
- |
- EXPECT_EQ(1, a.total_); |
- EXPECT_EQ(1, b.total_); |
- EXPECT_TRUE(a.added_); |
- |
- cb_reg.Notify(); |
- |
- EXPECT_EQ(2, a.total_); |
- EXPECT_EQ(2, b.total_); |
-} |
- |
-// Sanity check: notifying an empty list is a no-op. |
-TEST(CallbackRegistryTest, EmptyList) { |
- CallbackRegistry<void(void)> cb_reg; |
- |
- cb_reg.Notify(); |
-} |
- |
-} // namespace |
-} // namespace base |