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// 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 "gin/v8_isolate_memory_dump_provider.h"
#include "base/trace_event/process_memory_dump.h"
#include "gin/public/isolate_holder.h"
#include "gin/test/v8_test.h"
namespace gin {
typedef V8Test V8MemoryDumpProviderTest;
// Checks if the dump provider runs without crashing and dumps root objects.
TEST_F(V8MemoryDumpProviderTest, DumpStatistics) {
// Sets the track objects flag for dumping object statistics. Since this is
// not set before V8::InitializePlatform the sizes will not be accurate, but
// this serves the purpose of this test.
const char track_objects_flag[] = "--track-gc-object-stats";
v8::V8::SetFlagsFromString(track_objects_flag,
static_cast<int>(strlen(track_objects_flag)));
scoped_ptr<base::trace_event::ProcessMemoryDump> process_memory_dump(
new base::trace_event::ProcessMemoryDump(nullptr));
base::trace_event::MemoryDumpArgs dump_args = {
base::trace_event::MemoryDumpLevelOfDetail::DETAILED};
instance_->isolate_memory_dump_provider_for_testing()->OnMemoryDump(
dump_args, process_memory_dump.get());
const base::trace_event::ProcessMemoryDump::AllocatorDumpsMap&
allocator_dumps = process_memory_dump->allocator_dumps();
bool did_dump_isolate_stats = false;
bool did_dump_space_stats = false;
bool did_dump_objects_stats = false;
for (const auto& it : allocator_dumps) {
const std::string& dump_name = it.first;
if (dump_name.find("v8/isolate") != std::string::npos) {
did_dump_isolate_stats = true;
}
if (dump_name.find("heap_spaces") != std::string::npos) {
did_dump_space_stats = true;
} else if (dump_name.find("heap_objects") != std::string::npos) {
did_dump_objects_stats = true;
}
}
ASSERT_TRUE(did_dump_isolate_stats);
ASSERT_TRUE(did_dump_space_stats);
ASSERT_TRUE(did_dump_objects_stats);
}
} // namespace gin
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