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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/performance_manager/embedder/graph_features.h"
#include "build/build_config.h"
#include "components/performance_manager/public/decorators/page_live_state_decorator.h"
#include "components/performance_manager/public/execution_context/execution_context_registry.h"
#include "components/performance_manager/test_support/graph_test_harness.h"
#include "components/performance_manager/v8_memory/v8_context_tracker.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace performance_manager {
class GraphFeaturesTest : public ::testing::Test {
protected:
// Some features require browser threads.
content::BrowserTaskEnvironment task_environment_;
};
TEST_F(GraphFeaturesTest, ConfigureGraph) {
GraphFeatures features;
EXPECT_FALSE(features.flags().v8_context_tracker);
features.EnableV8ContextTracker();
EXPECT_TRUE(features.flags().v8_context_tracker);
TestGraphImpl graph;
graph.SetUp();
EXPECT_FALSE(v8_memory::V8ContextTracker::GetFromGraph(&graph));
features.ConfigureGraph(&graph);
EXPECT_TRUE(v8_memory::V8ContextTracker::GetFromGraph(&graph));
graph.TearDown();
}
TEST_F(GraphFeaturesTest, EnableDefault) {
GraphFeatures features;
TestGraphImpl graph;
graph.SetUp();
// The ExecutionContextRegistry is a permanent graph-registered object.
EXPECT_TRUE(
execution_context::ExecutionContextRegistry::GetFromGraph(&graph));
EXPECT_EQ(1u, graph.GraphRegisteredCountForTesting());
EXPECT_EQ(0u, graph.GraphOwnedCountForTesting());
EXPECT_EQ(0u, graph.NodeDataDescriberCountForTesting());
EXPECT_FALSE(v8_memory::V8ContextTracker::GetFromGraph(&graph));
// An empty config should install nothing.
features.ConfigureGraph(&graph);
EXPECT_EQ(1u, graph.GraphRegisteredCountForTesting());
EXPECT_EQ(0u, graph.GraphOwnedCountForTesting());
EXPECT_EQ(0u, graph.NodeDataDescriberCountForTesting());
EXPECT_TRUE(
execution_context::ExecutionContextRegistry::GetFromGraph(&graph));
EXPECT_FALSE(v8_memory::V8ContextTracker::GetFromGraph(&graph));
// Validate that the default configuration works as expected.
features.EnableDefault();
features.ConfigureGraph(&graph);
// Ensure the GraphRegistered objects can be queried directly.
EXPECT_TRUE(
execution_context::ExecutionContextRegistry::GetFromGraph(&graph));
EXPECT_TRUE(v8_memory::V8ContextTracker::GetFromGraph(&graph));
graph.TearDown();
}
TEST_F(GraphFeaturesTest, StandardConfigurations) {
GraphFeatures features;
EXPECT_EQ(features.flags().flags, GraphFeatures::WithNone().flags().flags);
features.EnableMinimal();
EXPECT_EQ(features.flags().flags, GraphFeatures::WithMinimal().flags().flags);
// This test will fail if Default is not a superset of Minimal, since it does
// not remove the Minimal flags. That's a good thing to test since it would
// be confusing for Minimal to include features that Default doesn't.
features.EnableDefault();
EXPECT_EQ(features.flags().flags, GraphFeatures::WithDefault().flags().flags);
}
} // namespace performance_manager
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