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Unified Diff: base/trace_event/process_memory_dump_unittest.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/trace_event/process_memory_dump_unittest.cc
diff --git a/base/trace_event/process_memory_dump_unittest.cc b/base/trace_event/process_memory_dump_unittest.cc
deleted file mode 100644
index 1e1fbc69cf91cab4262c4be1522e2e70705954b6..0000000000000000000000000000000000000000
--- a/base/trace_event/process_memory_dump_unittest.cc
+++ /dev/null
@@ -1,158 +0,0 @@
-// 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 "base/trace_event/process_memory_dump.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "base/trace_event/memory_allocator_dump_guid.h"
-#include "base/trace_event/trace_event_argument.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace trace_event {
-
-TEST(ProcessMemoryDumpTest, Clear) {
- scoped_ptr<ProcessMemoryDump> pmd1(new ProcessMemoryDump(nullptr));
- pmd1->CreateAllocatorDump("mad1");
- pmd1->CreateAllocatorDump("mad2");
- ASSERT_FALSE(pmd1->allocator_dumps().empty());
-
- pmd1->process_totals()->set_resident_set_bytes(42);
- pmd1->set_has_process_totals();
-
- pmd1->process_mmaps()->AddVMRegion(ProcessMemoryMaps::VMRegion());
- pmd1->set_has_process_mmaps();
-
- pmd1->AddOwnershipEdge(MemoryAllocatorDumpGuid(42),
- MemoryAllocatorDumpGuid(4242));
-
- MemoryAllocatorDumpGuid shared_mad_guid(1);
- pmd1->CreateSharedGlobalAllocatorDump(shared_mad_guid);
-
- pmd1->Clear();
- ASSERT_TRUE(pmd1->allocator_dumps().empty());
- ASSERT_TRUE(pmd1->allocator_dumps_edges().empty());
- ASSERT_EQ(nullptr, pmd1->GetAllocatorDump("mad1"));
- ASSERT_EQ(nullptr, pmd1->GetAllocatorDump("mad2"));
- ASSERT_FALSE(pmd1->has_process_totals());
- ASSERT_FALSE(pmd1->has_process_mmaps());
- ASSERT_TRUE(pmd1->process_mmaps()->vm_regions().empty());
- ASSERT_EQ(nullptr, pmd1->GetSharedGlobalAllocatorDump(shared_mad_guid));
-
- // Check that calling AsValueInto() doesn't cause a crash.
- scoped_refptr<TracedValue> traced_value(new TracedValue());
- pmd1->AsValueInto(traced_value.get());
-
- // Check that the pmd can be reused and behaves as expected.
- auto mad1 = pmd1->CreateAllocatorDump("mad1");
- auto mad3 = pmd1->CreateAllocatorDump("mad3");
- auto shared_mad = pmd1->CreateSharedGlobalAllocatorDump(shared_mad_guid);
- ASSERT_EQ(3u, pmd1->allocator_dumps().size());
- ASSERT_EQ(mad1, pmd1->GetAllocatorDump("mad1"));
- ASSERT_EQ(nullptr, pmd1->GetAllocatorDump("mad2"));
- ASSERT_EQ(mad3, pmd1->GetAllocatorDump("mad3"));
- ASSERT_EQ(shared_mad, pmd1->GetSharedGlobalAllocatorDump(shared_mad_guid));
-
- traced_value = new TracedValue();
- pmd1->AsValueInto(traced_value.get());
-
- pmd1.reset();
-}
-
-TEST(ProcessMemoryDumpTest, TakeAllDumpsFrom) {
- scoped_refptr<TracedValue> traced_value(new TracedValue());
-
- scoped_ptr<ProcessMemoryDump> pmd1(new ProcessMemoryDump(nullptr));
- auto mad1_1 = pmd1->CreateAllocatorDump("pmd1/mad1");
- auto mad1_2 = pmd1->CreateAllocatorDump("pmd1/mad2");
- pmd1->AddOwnershipEdge(mad1_1->guid(), mad1_2->guid());
-
- scoped_ptr<ProcessMemoryDump> pmd2(new ProcessMemoryDump(nullptr));
- auto mad2_1 = pmd2->CreateAllocatorDump("pmd2/mad1");
- auto mad2_2 = pmd2->CreateAllocatorDump("pmd2/mad2");
- pmd1->AddOwnershipEdge(mad2_1->guid(), mad2_2->guid());
-
- MemoryAllocatorDumpGuid shared_mad_guid(1);
- auto shared_mad = pmd2->CreateSharedGlobalAllocatorDump(shared_mad_guid);
-
- pmd1->TakeAllDumpsFrom(pmd2.get());
-
- // Make sure that pmd2 is empty but still usable after it has been emptied.
- ASSERT_TRUE(pmd2->allocator_dumps().empty());
- ASSERT_TRUE(pmd2->allocator_dumps_edges().empty());
- pmd2->CreateAllocatorDump("pmd2/this_mad_stays_with_pmd2");
- ASSERT_EQ(1u, pmd2->allocator_dumps().size());
- ASSERT_EQ(1u, pmd2->allocator_dumps().count("pmd2/this_mad_stays_with_pmd2"));
- pmd2->AddOwnershipEdge(MemoryAllocatorDumpGuid(42),
- MemoryAllocatorDumpGuid(4242));
-
- // Check that calling AsValueInto() doesn't cause a crash.
- pmd2->AsValueInto(traced_value.get());
-
- // Free the |pmd2| to check that the memory ownership of the two MAD(s)
- // has been transferred to |pmd1|.
- pmd2.reset();
-
- // Now check that |pmd1| has been effectively merged.
- ASSERT_EQ(5u, pmd1->allocator_dumps().size());
- ASSERT_EQ(1u, pmd1->allocator_dumps().count("pmd1/mad1"));
- ASSERT_EQ(1u, pmd1->allocator_dumps().count("pmd1/mad2"));
- ASSERT_EQ(1u, pmd1->allocator_dumps().count("pmd2/mad1"));
- ASSERT_EQ(1u, pmd1->allocator_dumps().count("pmd1/mad2"));
- ASSERT_EQ(2u, pmd1->allocator_dumps_edges().size());
- ASSERT_EQ(shared_mad, pmd1->GetSharedGlobalAllocatorDump(shared_mad_guid));
-
- // Check that calling AsValueInto() doesn't cause a crash.
- traced_value = new TracedValue();
- pmd1->AsValueInto(traced_value.get());
-
- pmd1.reset();
-}
-
-TEST(ProcessMemoryDumpTest, Suballocations) {
- scoped_ptr<ProcessMemoryDump> pmd(new ProcessMemoryDump(nullptr));
- const std::string allocator_dump_name = "fakealloc/allocated_objects";
- pmd->CreateAllocatorDump(allocator_dump_name);
-
- // Create one allocation with an auto-assigned guid and mark it as a
- // suballocation of "fakealloc/allocated_objects".
- auto pic1_dump = pmd->CreateAllocatorDump("picturemanager/picture1");
- pmd->AddSuballocation(pic1_dump->guid(), allocator_dump_name);
-
- // Same here, but this time create an allocation with an explicit guid.
- auto pic2_dump = pmd->CreateAllocatorDump("picturemanager/picture2",
- MemoryAllocatorDumpGuid(0x42));
- pmd->AddSuballocation(pic2_dump->guid(), allocator_dump_name);
-
- // Now check that AddSuballocation() has created anonymous child dumps under
- // "fakealloc/allocated_objects".
- auto anon_node_1_it = pmd->allocator_dumps().find(
- allocator_dump_name + "/__" + pic1_dump->guid().ToString());
- ASSERT_NE(pmd->allocator_dumps().end(), anon_node_1_it);
-
- auto anon_node_2_it =
- pmd->allocator_dumps().find(allocator_dump_name + "/__42");
- ASSERT_NE(pmd->allocator_dumps().end(), anon_node_2_it);
-
- // Finally check that AddSuballocation() has created also the
- // edges between the pictures and the anonymous allocator child dumps.
- bool found_edge[2]{false, false};
- for (const auto& e : pmd->allocator_dumps_edges()) {
- found_edge[0] |= (e.source == pic1_dump->guid() &&
- e.target == anon_node_1_it->second->guid());
- found_edge[1] |= (e.source == pic2_dump->guid() &&
- e.target == anon_node_2_it->second->guid());
- }
- ASSERT_TRUE(found_edge[0]);
- ASSERT_TRUE(found_edge[1]);
-
- // Check that calling AsValueInto() doesn't cause a crash.
- scoped_refptr<TracedValue> traced_value(new TracedValue());
- pmd->AsValueInto(traced_value.get());
-
- pmd.reset();
-}
-
-} // namespace trace_event
-} // namespace base
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