gin/v8_shared_memory_dump_provider_unittest.cc

   1 // Copyright 2019 The Chromium Authors
   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 "gin/v8_shared_memory_dump_provider.h"
   6
   7 #include <memory>
   8
   9 #include "base/containers/contains.h"
  10 #include "base/trace_event/process_memory_dump.h"
  11 #include "base/trace_event/trace_event.h"
  12 #include "gin/test/v8_test.h"
  13
  14 namespace gin {
  15
  16 typedef V8Test V8SharedMemoryDumpProviderTest;
  17
  18 // Checks if the dump provider runs without crashing and dumps root objects.
  19 TEST_F(V8SharedMemoryDumpProviderTest, DumpStatistics) {
  20   V8SharedMemoryDumpProvider provider;
  21
  22   base::trace_event::MemoryDumpArgs dump_args = {
  23       base::trace_event::MemoryDumpLevelOfDetail::kDetailed};
  24   std::unique_ptr<base::trace_event::ProcessMemoryDump> process_memory_dump(
  25       new base::trace_event::ProcessMemoryDump(dump_args));
  26   provider.OnMemoryDump(dump_args, process_memory_dump.get());
  27   const base::trace_event::ProcessMemoryDump::AllocatorDumpsMap&
  28       allocator_dumps = process_memory_dump->allocator_dumps();
  29
  30   bool did_dump_shared_memory_stats = false;
  31   bool did_dump_read_only_space = false;
  32   for (const auto& name_dump : allocator_dumps) {
  33     const std::string& name = name_dump.first;
  34     if (base::Contains(name, "v8/shared")) {
  35       did_dump_shared_memory_stats = true;
  36     }
  37     if (base::Contains(name, "v8/shared/read_only_space")) {
  38       did_dump_read_only_space = true;
  39     }
  40   }
  41
  42   ASSERT_TRUE(did_dump_shared_memory_stats);
  43   ASSERT_TRUE(did_dump_read_only_space);
  44 }
  45
  46 }  // namespace gin