Mojo interface/service for Leak Detector on remote process

components/metrics/leak_detector/protobuf_to_mojo_converter_unittest.cc

+// Copyright 2016 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 "components/metrics/leak_detector/protobuf_to_mojo_converter.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace metrics {
+namespace leak_detector {
+
+TEST(protobuf_to_mojo_converterTest, ConvertParams) {
+  MemoryLeakReportProto::Params params;
+  params.set_sampling_rate(0.75);
+  params.set_max_stack_depth(19);
+  params.set_analysis_interval_bytes(25 * 1024 * 1024);
+  params.set_size_suspicion_threshold(8);
+  params.set_call_stack_suspicion_threshold(11);
+
+  // Convert to equivalent Mojo struct.
+  mojo::StructPtr<mojom::LeakDetectorParams> mojo_params =
+      mojom::LeakDetectorParams::New();
+  protobuf_to_mojo_converter::ParamsToMojo(params, mojo_params.get());
+
+  EXPECT_DOUBLE_EQ(0.75, mojo_params->sampling_rate);
+  EXPECT_EQ(19U, mojo_params->max_stack_depth);
+  EXPECT_EQ(25U * 1024 * 1024, mojo_params->analysis_interval_bytes);
+  EXPECT_EQ(8U, mojo_params->size_suspicion_threshold);
+  EXPECT_EQ(11U, mojo_params->call_stack_suspicion_threshold);
+
+  // Convert Mojo struct back to protobuf.
+  MemoryLeakReportProto::Params new_params;
+  protobuf_to_mojo_converter::MojoToParams(*mojo_params, &new_params);
+
+  EXPECT_DOUBLE_EQ(0.75, new_params.sampling_rate());
+  EXPECT_EQ(19U, new_params.max_stack_depth());
+  EXPECT_EQ(25U * 1024 * 1024, new_params.analysis_interval_bytes());
+  EXPECT_EQ(8U, new_params.size_suspicion_threshold());
+  EXPECT_EQ(11U, new_params.call_stack_suspicion_threshold());
+}
+
+TEST(protobuf_to_mojo_converterTest, ConvertReport) {
+  MemoryLeakReportProto report;
+  report.add_call_stack(0xdeadbeef);
+  report.add_call_stack(0xc001d00d);
+  report.add_call_stack(0x900df00d);
+  report.set_size_bytes(24);
+
+  auto entry1 = report.add_alloc_breakdown_history();
+  entry1->add_counts_by_size(1);
+  entry1->add_counts_by_size(2);
+  entry1->add_counts_by_size(3);
+  entry1->set_count_for_call_stack(4);
+
+  auto entry2 = report.add_alloc_breakdown_history();
+  entry2->add_counts_by_size(11);
+  entry2->add_counts_by_size(12);
+  entry2->add_counts_by_size(13);
+  entry2->add_counts_by_size(14);
+  entry2->set_count_for_call_stack(15);
+
+  auto entry3 = report.add_alloc_breakdown_history();
+  entry3->add_counts_by_size(21);
+  entry3->add_counts_by_size(22);
+  entry3->add_counts_by_size(23);
+  entry3->add_counts_by_size(24);
+  entry3->add_counts_by_size(25);
+  entry3->set_count_for_call_stack(26);
+
+  // Convert to equivalent Mojo struct.
+  mojo::StructPtr<mojom::MemoryLeakReport> mojo_report =
+      mojom::MemoryLeakReport::New();
+  protobuf_to_mojo_converter::ReportToMojo(report, mojo_report.get());
+
+  ASSERT_EQ(3U, mojo_report->call_stack.size());
+  EXPECT_EQ(0xdeadbeef, mojo_report->call_stack[0]);
+  EXPECT_EQ(0xc001d00d, mojo_report->call_stack[1]);
+  EXPECT_EQ(0x900df00d, mojo_report->call_stack[2]);
+  EXPECT_EQ(24U, mojo_report->size_bytes);
+
+  ASSERT_EQ(3U, mojo_report->alloc_breakdown_history.size());
+
+  ASSERT_EQ(3U, mojo_report->alloc_breakdown_history[0]->counts_by_size.size());
+  EXPECT_EQ(1U, mojo_report->alloc_breakdown_history[0]->counts_by_size[0]);
+  EXPECT_EQ(2U, mojo_report->alloc_breakdown_history[0]->counts_by_size[1]);
+  EXPECT_EQ(3U, mojo_report->alloc_breakdown_history[0]->counts_by_size[2]);
+  EXPECT_EQ(4U, mojo_report->alloc_breakdown_history[0]->count_for_call_stack);
+
+  ASSERT_EQ(4U, mojo_report->alloc_breakdown_history[1]->counts_by_size.size());
+  EXPECT_EQ(11U, mojo_report->alloc_breakdown_history[1]->counts_by_size[0]);
+  EXPECT_EQ(12U, mojo_report->alloc_breakdown_history[1]->counts_by_size[1]);
+  EXPECT_EQ(13U, mojo_report->alloc_breakdown_history[1]->counts_by_size[2]);
+  EXPECT_EQ(14U, mojo_report->alloc_breakdown_history[1]->counts_by_size[3]);
+  EXPECT_EQ(15U, mojo_report->alloc_breakdown_history[1]->count_for_call_stack);
+
+  ASSERT_EQ(5U, mojo_report->alloc_breakdown_history[2]->counts_by_size.size());
+  EXPECT_EQ(21U, mojo_report->alloc_breakdown_history[2]->counts_by_size[0]);
+  EXPECT_EQ(22U, mojo_report->alloc_breakdown_history[2]->counts_by_size[1]);
+  EXPECT_EQ(23U, mojo_report->alloc_breakdown_history[2]->counts_by_size[2]);
+  EXPECT_EQ(24U, mojo_report->alloc_breakdown_history[2]->counts_by_size[3]);
+  EXPECT_EQ(25U, mojo_report->alloc_breakdown_history[2]->counts_by_size[4]);
+  EXPECT_EQ(26U, mojo_report->alloc_breakdown_history[2]->count_for_call_stack);
+
+  // Convert Mojo struct back to protobuf.
+  MemoryLeakReportProto new_report;
+  protobuf_to_mojo_converter::MojoToReport(*mojo_report, &new_report);
+
+  ASSERT_EQ(3, new_report.call_stack().size());
+  EXPECT_EQ(0xdeadbeef, new_report.call_stack(0));
+  EXPECT_EQ(0xc001d00d, new_report.call_stack(1));
+  EXPECT_EQ(0x900df00d, new_report.call_stack(2));
+  EXPECT_EQ(24U, new_report.size_bytes());
+
+  ASSERT_EQ(3, new_report.alloc_breakdown_history().size());
+
+  ASSERT_EQ(3, new_report.alloc_breakdown_history(0).counts_by_size().size());
+  EXPECT_EQ(1U, new_report.alloc_breakdown_history(0).counts_by_size(0));
+  EXPECT_EQ(2U, new_report.alloc_breakdown_history(0).counts_by_size(1));
+  EXPECT_EQ(3U, new_report.alloc_breakdown_history(0).counts_by_size(2));
+  EXPECT_EQ(4U, new_report.alloc_breakdown_history(0).count_for_call_stack());
+
+  ASSERT_EQ(4, new_report.alloc_breakdown_history(1).counts_by_size().size());
+  EXPECT_EQ(11U, new_report.alloc_breakdown_history(1).counts_by_size(0));
+  EXPECT_EQ(12U, new_report.alloc_breakdown_history(1).counts_by_size(1));
+  EXPECT_EQ(13U, new_report.alloc_breakdown_history(1).counts_by_size(2));
+  EXPECT_EQ(14U, new_report.alloc_breakdown_history(1).counts_by_size(3));
+  EXPECT_EQ(15U, new_report.alloc_breakdown_history(1).count_for_call_stack());
+
+  ASSERT_EQ(5, new_report.alloc_breakdown_history(2).counts_by_size().size());
+  EXPECT_EQ(21U, new_report.alloc_breakdown_history(2).counts_by_size(0));
+  EXPECT_EQ(22U, new_report.alloc_breakdown_history(2).counts_by_size(1));
+  EXPECT_EQ(23U, new_report.alloc_breakdown_history(2).counts_by_size(2));
+  EXPECT_EQ(24U, new_report.alloc_breakdown_history(2).counts_by_size(3));
+  EXPECT_EQ(25U, new_report.alloc_breakdown_history(2).counts_by_size(4));
+  EXPECT_EQ(26U, new_report.alloc_breakdown_history(2).count_for_call_stack());
+}
+
+}  // namespace leak_detector
+}  // namespace metrics