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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/public/cpp/bindings/strong_binding_set.h" | |
| 6 | |
| 7 #include "gtest/gtest.h" | |
| 8 #include "mojo/public/cpp/bindings/binding.h" | |
| 9 #include "mojo/public/cpp/bindings/interface_request.h" | |
| 10 #include "mojo/public/cpp/system/macros.h" | |
| 11 #include "mojo/public/cpp/utility/run_loop.h" | |
| 12 #include "mojo/public/interfaces/bindings/tests/minimal_interface.mojom.h" | |
| 13 | |
| 14 namespace mojo { | |
| 15 namespace common { | |
| 16 namespace { | |
| 17 | |
| 18 class MinimalInterfaceImpl : public test::MinimalInterface { | |
| 19 public: | |
| 20 explicit MinimalInterfaceImpl(bool* deleted_flag) | |
| 21 : deleted_flag_(deleted_flag) {} | |
| 22 ~MinimalInterfaceImpl() override { *deleted_flag_ = true; } | |
| 23 | |
| 24 void Message() override { call_count_++; } | |
| 25 | |
| 26 int call_count() const { return call_count_; } | |
| 27 | |
| 28 private: | |
| 29 bool* deleted_flag_; | |
| 30 int call_count_ = 0; | |
| 31 | |
| 32 MOJO_DISALLOW_COPY_AND_ASSIGN(MinimalInterfaceImpl); | |
| 33 }; | |
| 34 | |
| 35 // Tests all of the functionality of StrongBindingSet. | |
| 36 TEST(StrongBindingSetTest, FullLifeCycle) { | |
| 37 RunLoop loop; | |
| 38 | |
| 39 // Create 10 InterfacePtrs and MinimalInterfaceImpl. | |
| 40 const size_t kNumObjects = 10; | |
| 41 InterfacePtr<test::MinimalInterface> intrfc_ptrs[kNumObjects]; | |
| 42 MinimalInterfaceImpl* impls[kNumObjects]; | |
| 43 bool deleted_flags[kNumObjects] = {}; | |
| 44 | |
| 45 // Create 10 message pipes, bind everything together, and add the | |
| 46 // bindings to binding_set. | |
| 47 StrongBindingSet<test::MinimalInterface> binding_set; | |
| 48 EXPECT_EQ(0u, binding_set.size()); | |
| 49 for (size_t i = 0; i < kNumObjects; i++) { | |
| 50 impls[i] = new MinimalInterfaceImpl(&deleted_flags[i]); | |
| 51 binding_set.AddBinding(impls[i], GetProxy(&intrfc_ptrs[i])); | |
| 52 } | |
| 53 EXPECT_EQ(kNumObjects, binding_set.size()); | |
| 54 | |
| 55 // Check that initially all call counts are zero. | |
| 56 for (const auto& impl : impls) { | |
| 57 EXPECT_EQ(0, impl->call_count()); | |
| 58 } | |
| 59 | |
| 60 // Invoke method foo() on all 10 InterfacePointers. | |
| 61 for (InterfacePtr<test::MinimalInterface>& ptr : intrfc_ptrs) { | |
| 62 ptr->Message(); | |
| 63 } | |
| 64 | |
| 65 // Check that now all call counts are one. | |
| 66 loop.RunUntilIdle(); | |
| 67 for (const auto& impl : impls) { | |
| 68 EXPECT_EQ(1, impl->call_count()); | |
| 69 } | |
| 70 | |
| 71 // Close the first 5 message pipes and destroy the first five | |
| 72 // InterfacePtrs. | |
| 73 for (size_t i = 0; i < kNumObjects / 2; i++) { | |
| 74 intrfc_ptrs[i].reset(); | |
| 75 } | |
| 76 | |
| 77 // Check that the set contains only five elements now. | |
| 78 loop.RunUntilIdle(); | |
| 79 EXPECT_EQ(kNumObjects / 2, binding_set.size()); | |
| 80 | |
| 81 // Check that the first 5 interfaces have all been deleted. | |
| 82 for (size_t i = 0; i < kNumObjects; i++) { | |
| 83 bool expected = (i < kNumObjects / 2); | |
| 84 EXPECT_EQ(expected, deleted_flags[i]); | |
| 85 } | |
| 86 | |
| 87 // Invoke method foo() on the second five InterfacePointers. | |
| 88 for (size_t i = kNumObjects / 2; i < kNumObjects; i++) { | |
| 89 intrfc_ptrs[i]->Message(); | |
| 90 } | |
| 91 loop.RunUntilIdle(); | |
| 92 | |
| 93 // Check that now the second five counts are two. | |
| 94 for (size_t i = kNumObjects / 2; i < kNumObjects; i++) { | |
| 95 EXPECT_EQ(2, impls[i]->call_count()); | |
| 96 } | |
| 97 | |
| 98 // Invoke CloseAllBindings | |
| 99 binding_set.CloseAllBindings(); | |
| 100 EXPECT_EQ(0u, binding_set.size()); | |
| 101 | |
| 102 // Invoke method foo() on the second five InterfacePointers. | |
| 103 for (size_t i = kNumObjects / 2; i < kNumObjects; i++) { | |
| 104 intrfc_ptrs[i]->Message(); | |
| 105 } | |
| 106 loop.RunUntilIdle(); | |
| 107 | |
| 108 // Check that all interfaces have all been deleted. | |
| 109 for (size_t i = 0; i < kNumObjects; i++) { | |
| 110 EXPECT_TRUE(deleted_flags[i]); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 } // namespace | |
| 115 } // namespace common | |
| 116 } // namespace mojo | |
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