ui/events/ipc/latency_info_param_traits_unittest.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ipc/ipc_message_macros.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7 #include "ui/events/ipc/latency_info_param_traits.h"
   8 #include "ui/events/ipc/latency_info_param_traits_macros.h"
   9
  10 namespace ui {
  11
  12 TEST(LatencyInfoParamTraitsTest, Basic) {
  13   LatencyInfo latency;
  14   ASSERT_FALSE(latency.terminated());
  15   ASSERT_EQ(0u, latency.input_coordinates_size());
  16   ASSERT_EQ(0u, latency.coalesced_events_size());
  17   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1234, 0);
  18   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1234, 100);
  19   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT,
  20                            1234, 0);
  21   EXPECT_TRUE(latency.AddInputCoordinate(
  22       LatencyInfo::InputCoordinate(100, 200)));
  23   EXPECT_TRUE(latency.AddInputCoordinate(
  24       LatencyInfo::InputCoordinate(101, 201)));
  25   // Up to 2 InputCoordinate is allowed.
  26   EXPECT_FALSE(latency.AddInputCoordinate(
  27       LatencyInfo::InputCoordinate(102, 202)));
  28
  29   EXPECT_TRUE(latency.AddCoalescedEventTimestamp(10.0));
  30   EXPECT_TRUE(latency.AddCoalescedEventTimestamp(20.0));
  31   // Up to 2 coalesced events is allowed.
  32   EXPECT_FALSE(latency.AddCoalescedEventTimestamp(30.0));
  33
  34   EXPECT_EQ(100, latency.trace_id());
  35   EXPECT_TRUE(latency.terminated());
  36   EXPECT_EQ(2u, latency.input_coordinates_size());
  37   EXPECT_EQ(2u, latency.coalesced_events_size());
  38
  39   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
  40   IPC::WriteParam(&msg, latency);
  41   base::PickleIterator iter(msg);
  42   LatencyInfo output;
  43   EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
  44
  45   EXPECT_EQ(latency.trace_id(), output.trace_id());
  46   EXPECT_EQ(latency.terminated(), output.terminated());
  47   EXPECT_EQ(latency.input_coordinates_size(), output.input_coordinates_size());
  48   for (size_t i = 0; i < latency.input_coordinates_size(); i++) {
  49     EXPECT_EQ(latency.input_coordinates()[i].x,
  50               output.input_coordinates()[i].x);
  51     EXPECT_EQ(latency.input_coordinates()[i].y,
  52               output.input_coordinates()[i].y);
  53   }
  54   EXPECT_EQ(latency.coalesced_events_size(), output.coalesced_events_size());
  55   for (size_t i = 0; i < latency.coalesced_events_size(); i++) {
  56     EXPECT_EQ(latency.timestamps_of_coalesced_events()[i],
  57               output.timestamps_of_coalesced_events()[i]);
  58   }
  59
  60   EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
  61                                  1234,
  62                                  nullptr));
  63
  64   LatencyInfo::LatencyComponent rwh_comp;
  65   EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
  66                                  1234,
  67                                  &rwh_comp));
  68   EXPECT_EQ(100, rwh_comp.sequence_number);
  69   EXPECT_EQ(1u, rwh_comp.event_count);
  70
  71   EXPECT_TRUE(output.FindLatency(
  72       INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 1234, nullptr));
  73 }
  74
  75 TEST(LatencyInfoParamTraitsTest, InvalidData) {
  76   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
  77   IPC::WriteParam(&msg, std::string());
  78   ui::LatencyInfo::LatencyMap components;
  79   IPC::WriteParam(&msg, components);
  80   IPC::WriteParam(&msg, static_cast<uint32>(2));
  81   IPC::WriteParam(&msg, ui::LatencyInfo::InputCoordinate());
  82   IPC::WriteParam(&msg, ui::LatencyInfo::InputCoordinate());
  83   // coalesced_events_size is 2 but only one event timestamp is written.
  84   IPC::WriteParam(&msg, static_cast<uint32>(2));
  85   IPC::WriteParam(&msg, static_cast<double>(10.0));
  86   IPC::WriteParam(&msg, static_cast<int64>(1234));
  87   IPC::WriteParam(&msg, true);
  88
  89   base::PickleIterator iter(msg);
  90   LatencyInfo output;
  91   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &output));
  92 }
  93
  94 }  // namespace ui