File: input_scenario_observer_unittest.cc

package info (click to toggle)
chromium 138.0.7204.183-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,080,960 kB
  • sloc: cpp: 34,937,079; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,954; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,811; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (138 lines) | stat: -rw-r--r-- 5,734 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
// Copyright 2025 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/scenarios/input_scenario_observer.h"

#include <atomic>
#include <memory>
#include <utility>

#include "base/memory/read_only_shared_memory_region.h"
#include "components/performance_manager/decorators/frame_input_state_decorator.h"
#include "components/performance_manager/embedder/scoped_global_scenario_memory.h"
#include "components/performance_manager/graph/frame_node_impl.h"
#include "components/performance_manager/graph/graph_impl.h"
#include "components/performance_manager/graph/page_node_impl.h"
#include "components/performance_manager/graph/process_node_impl.h"
#include "components/performance_manager/scenario_api/performance_scenarios.h"
#include "components/performance_manager/scenarios/browser_performance_scenarios.h"
#include "components/performance_manager/test_support/graph_test_harness.h"
#include "components/performance_manager/test_support/mock_graphs.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace performance_manager {

namespace {

using performance_scenarios::GetInputScenario;
using performance_scenarios::ScenarioScope;

class InputScenarioObserverTest : public GraphTestHarness {
 public:
  void OnGraphCreated(GraphImpl* graph) override {
    graph->PassToGraph(std::make_unique<FrameInputStateDecorator>());
    graph->PassToGraph(std::make_unique<InputScenarioObserver>());
  }

 protected:
  FrameInputStateDecorator& frame_input_state() {
    return *FrameInputStateDecorator::GetFromGraph(graph());
  }

 private:
  ScopedGlobalScenarioMemory scenario_memory_;
};

InputScenario GlobalInputScenario() {
  return GetInputScenario(ScenarioScope::kGlobal)
      ->load(std::memory_order_relaxed);
}

InputScenario CurrentProcessInputScenario() {
  return GetInputScenario(ScenarioScope::kCurrentProcess)
      ->load(std::memory_order_relaxed);
}

TEST_F(InputScenarioObserverTest, FrameInputState) {
  MockSinglePageWithMultipleProcessesGraph mock_graph(graph());

  // Map in the read-only scenario memory for the first mock process as the
  // "current process" state.
  base::ReadOnlySharedMemoryRegion process_region =
      GetSharedScenarioRegionForProcessNode(mock_graph.process.get());
  ASSERT_TRUE(process_region.IsValid());
  performance_scenarios::ScopedReadOnlyScenarioMemory process_scenario_memory(
      ScenarioScope::kCurrentProcess, std::move(process_region));

  EXPECT_EQ(GlobalInputScenario(), InputScenario::kNoInput);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kNoInput);

  frame_input_state().UpdateInputScenario(
      mock_graph.frame.get(), InputScenario::kTyping,
      FrameInputStateDecorator::InputScenarioUpdateReason::kKeyEvent);
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kTyping);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kTyping);

  frame_input_state().UpdateInputScenario(
      mock_graph.child_frame.get(), InputScenario::kTyping,
      FrameInputStateDecorator::InputScenarioUpdateReason::kKeyEvent);
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kTyping);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kTyping);

  frame_input_state().UpdateInputScenario(
      mock_graph.frame.get(), InputScenario::kNoInput,
      FrameInputStateDecorator::InputScenarioUpdateReason::kTimeout);
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kTyping);
  // Only `child_frame`, which is hosted in `other_process`, still has input.
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kNoInput);

  frame_input_state().UpdateInputScenario(
      mock_graph.child_frame.get(), InputScenario::kNoInput,
      FrameInputStateDecorator::InputScenarioUpdateReason::kTimeout);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kNoInput);
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kNoInput);
}

TEST_F(InputScenarioObserverTest, FrameNodeRemoved) {
  MockSinglePageInSingleProcessGraph mock_graph(graph());

  // Map in the read-only scenario memory for the mock process as the "current
  // process" state.
  base::ReadOnlySharedMemoryRegion process_region =
      GetSharedScenarioRegionForProcessNode(mock_graph.process.get());
  ASSERT_TRUE(process_region.IsValid());
  performance_scenarios::ScopedReadOnlyScenarioMemory process_scenario_memory(
      ScenarioScope::kCurrentProcess, std::move(process_region));

  auto new_frame1 =
      CreateFrameNodeAutoId(mock_graph.process.get(), mock_graph.page.get());
  auto new_frame2 =
      CreateFrameNodeAutoId(mock_graph.process.get(), mock_graph.page.get());

  EXPECT_EQ(GlobalInputScenario(), InputScenario::kNoInput);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kNoInput);

  frame_input_state().UpdateInputScenario(
      new_frame1.get(), InputScenario::kScroll,
      FrameInputStateDecorator::InputScenarioUpdateReason::kScrollStartEvent);
  frame_input_state().UpdateInputScenario(
      new_frame2.get(), InputScenario::kScroll,
      FrameInputStateDecorator::InputScenarioUpdateReason::kScrollStartEvent);
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kScroll);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kScroll);

  // Delete a frame receiving input. Another frame is still receiving input.
  new_frame1.reset();
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kScroll);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kScroll);

  // Delete the last frame receiving input.
  new_frame2.reset();
  EXPECT_EQ(GlobalInputScenario(), InputScenario::kNoInput);
  EXPECT_EQ(CurrentProcessInputScenario(), InputScenario::kNoInput);
}

}  // namespace

}  // namespace performance_manager