| // Copyright 2015 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 "mojo/public/cpp/bindings/interface_ptr_set.h" |
| |
| #include "gtest/gtest.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "mojo/public/cpp/system/macros.h" |
| #include "mojo/public/cpp/utility/run_loop.h" |
| #include "mojo/public/interfaces/bindings/tests/minimal_interface.mojom.h" |
| |
| namespace mojo { |
| namespace common { |
| namespace { |
| |
| class MinimalInterfaceImpl : public test::MinimalInterface { |
| public: |
| explicit MinimalInterfaceImpl( |
| InterfaceRequest<test::MinimalInterface> request) |
| : binding_(this, request.Pass()) {} |
| |
| void Message() override { call_count_++; } |
| |
| void CloseMessagePipe() { binding_.Close(); } |
| |
| int call_count() { return call_count_; } |
| |
| private: |
| Binding<test::MinimalInterface> binding_; |
| int call_count_ = 0; |
| |
| MOJO_DISALLOW_COPY_AND_ASSIGN(MinimalInterfaceImpl); |
| }; |
| |
| // Tests all of the functionality of InterfacePtrSet. |
| TEST(InterfacePtrSetTest, FullLifeCycle) { |
| RunLoop loop; |
| |
| // Create 10 InterfacePtrs. |
| const size_t kNumObjects = 10; |
| InterfacePtr<test::MinimalInterface> intrfc_ptrs[kNumObjects]; |
| |
| // Create 10 MinimalInterfaceImpls and 10 message pipes and bind them all |
| // together. |
| std::unique_ptr<MinimalInterfaceImpl> impls[kNumObjects]; |
| for (size_t i = 0; i < kNumObjects; i++) { |
| impls[i].reset(new MinimalInterfaceImpl(GetProxy(&intrfc_ptrs[i]))); |
| } |
| |
| // Move all 10 InterfacePtrs into the set. |
| InterfacePtrSet<test::MinimalInterface> intrfc_ptr_set; |
| EXPECT_EQ(0u, intrfc_ptr_set.size()); |
| for (InterfacePtr<test::MinimalInterface>& ptr : intrfc_ptrs) { |
| intrfc_ptr_set.AddInterfacePtr(ptr.Pass()); |
| } |
| EXPECT_EQ(kNumObjects, intrfc_ptr_set.size()); |
| |
| // Check that initially all call counts are zero. |
| for (const std::unique_ptr<MinimalInterfaceImpl>& impl : impls) { |
| EXPECT_EQ(0, impl->call_count()); |
| } |
| |
| // Invoke ForAllPtrs(). |
| size_t num_invocations = 0; |
| intrfc_ptr_set.ForAllPtrs([&num_invocations](test::MinimalInterface* dummy) { |
| dummy->Message(); |
| num_invocations++; |
| }); |
| EXPECT_EQ(kNumObjects, num_invocations); |
| |
| // Check that now all call counts are one. |
| loop.RunUntilIdle(); |
| for (const std::unique_ptr<MinimalInterfaceImpl>& impl : impls) { |
| EXPECT_EQ(1, impl->call_count()); |
| } |
| |
| // Close the first 5 message pipes. This will (after RunUntilIdle) cause |
| // connection errors on the closed pipes which will cause the first five |
| // objects to be removed. |
| for (size_t i = 0; i < kNumObjects / 2; i++) { |
| impls[i]->CloseMessagePipe(); |
| } |
| EXPECT_EQ(kNumObjects, intrfc_ptr_set.size()); |
| loop.RunUntilIdle(); |
| EXPECT_EQ(kNumObjects / 2, intrfc_ptr_set.size()); |
| |
| // Invoke ForAllPtrs again on the remaining five pointers |
| intrfc_ptr_set.ForAllPtrs( |
| [](test::MinimalInterface* dummy) { dummy->Message(); }); |
| loop.RunUntilIdle(); |
| |
| // Check that now the first five counts are still 1 but the second five |
| // counts are two. |
| for (size_t i = 0; i < kNumObjects; i++) { |
| int expected = (i < kNumObjects / 2 ? 1 : 2); |
| EXPECT_EQ(expected, impls[i]->call_count()); |
| } |
| |
| // Close all of the MessagePipes and clear the set. |
| intrfc_ptr_set.CloseAll(); |
| |
| // Invoke ForAllPtrs() again. |
| intrfc_ptr_set.ForAllPtrs( |
| [](test::MinimalInterface* dummy) { dummy->Message(); }); |
| loop.RunUntilIdle(); |
| |
| // Check that the counts are the same as last time. |
| for (size_t i = 0; i < kNumObjects; i++) { |
| int expected = (i < kNumObjects / 2 ? 1 : 2); |
| EXPECT_EQ(expected, impls[i]->call_count()); |
| } |
| EXPECT_EQ(0u, intrfc_ptr_set.size()); |
| } |
| |
| } // namespace |
| } // namespace common |
| } // namespace mojo |