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| 1 // Copyright 2017 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/edk/system/handle_table.h" |
| 6 |
| 7 #include <memory> |
| 8 |
| 9 #include "base/synchronization/lock.h" |
| 10 #include "base/trace_event/memory_allocator_dump.h" |
| 11 #include "base/trace_event/memory_dump_request_args.h" |
| 12 #include "base/trace_event/process_memory_dump.h" |
| 13 #include "base/trace_event/trace_event_argument.h" |
| 14 #include "mojo/edk/system/dispatcher.h" |
| 15 #include "testing/gtest/include/gtest/gtest.h" |
| 16 |
| 17 namespace mojo { |
| 18 namespace edk { |
| 19 namespace { |
| 20 |
| 21 class FakeMessagePipeDispatcher : public Dispatcher { |
| 22 public: |
| 23 FakeMessagePipeDispatcher() {} |
| 24 |
| 25 Type GetType() const override { return Type::MESSAGE_PIPE; } |
| 26 |
| 27 MojoResult Close() override { return MOJO_RESULT_OK; } |
| 28 |
| 29 private: |
| 30 ~FakeMessagePipeDispatcher() override {} |
| 31 DISALLOW_COPY_AND_ASSIGN(FakeMessagePipeDispatcher); |
| 32 }; |
| 33 |
| 34 void CheckNameAndValue(base::trace_event::ProcessMemoryDump* pmd, |
| 35 const std::string& name, |
| 36 const std::string& value) { |
| 37 base::trace_event::MemoryAllocatorDump* mad = pmd->GetAllocatorDump(name); |
| 38 ASSERT_TRUE(mad); |
| 39 |
| 40 std::unique_ptr<base::Value> dict_value = |
| 41 mad->attributes_for_testing()->ToBaseValue(); |
| 42 ASSERT_TRUE(dict_value->is_dict()); |
| 43 |
| 44 base::DictionaryValue* dict; |
| 45 ASSERT_TRUE(dict_value->GetAsDictionary(&dict)); |
| 46 |
| 47 base::DictionaryValue* inner_dict; |
| 48 ASSERT_TRUE(dict->GetDictionary("object_count", &inner_dict)); |
| 49 |
| 50 std::string output; |
| 51 ASSERT_TRUE(inner_dict->GetString("value", &output)); |
| 52 EXPECT_EQ(value, output); |
| 53 } |
| 54 |
| 55 } // namespace |
| 56 |
| 57 TEST(HandleTableTest, OnMemoryDump) { |
| 58 HandleTable ht; |
| 59 |
| 60 { |
| 61 base::AutoLock auto_lock(ht.GetLock()); |
| 62 scoped_refptr<mojo::edk::Dispatcher> dispatcher( |
| 63 new FakeMessagePipeDispatcher); |
| 64 ht.AddDispatcher(dispatcher); |
| 65 } |
| 66 |
| 67 base::trace_event::MemoryDumpArgs args; |
| 68 base::trace_event::ProcessMemoryDump pmd(nullptr, args); |
| 69 ht.OnMemoryDump(args, &pmd); |
| 70 |
| 71 CheckNameAndValue(&pmd, "mojo/message_pipe", "1"); |
| 72 CheckNameAndValue(&pmd, "mojo/data_pipe_consumer", "0"); |
| 73 } |
| 74 |
| 75 } // namespace edk |
| 76 } // namespace mojo |
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