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   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1234, 0);
  17   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1234, 100);
  18   latency.AddLatencyNumber(INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT,
  19                            1234, 0);
  20   EXPECT_TRUE(latency.AddInputCoordinate(
  21       LatencyInfo::InputCoordinate(100, 200)));
  22   EXPECT_TRUE(latency.AddInputCoordinate(
  23       LatencyInfo::InputCoordinate(101, 201)));
  24   // Up to 2 InputCoordinate is allowed.
  25   EXPECT_FALSE(latency.AddInputCoordinate(
  26       LatencyInfo::InputCoordinate(102, 202)));
  27   EXPECT_EQ(100, latency.trace_id());
  28   EXPECT_TRUE(latency.terminated());
  29   EXPECT_EQ(2u, latency.input_coordinates_size_);
  30
  31   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
  32   IPC::WriteParam(&msg, latency);
  33   base::PickleIterator iter(msg);
  34   LatencyInfo output;
  35   EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
  36
  37   EXPECT_EQ(latency.trace_id(), output.trace_id());
  38   EXPECT_EQ(latency.terminated(), output.terminated());
  39   EXPECT_EQ(latency.input_coordinates_size_, output.input_coordinates_size_);
  40   for (size_t i = 0; i < latency.input_coordinates_size_; i++) {
  41     EXPECT_EQ(latency.input_coordinates_[i].x,
  42               output.input_coordinates_[i].x);
  43     EXPECT_EQ(latency.input_coordinates_[i].y,
  44               output.input_coordinates_[i].y);
  45   }
  46
  47   EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
  48                                  1234,
  49                                  nullptr));
  50
  51   LatencyInfo::LatencyComponent rwh_comp;
  52   EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
  53                                  1234,
  54                                  &rwh_comp));
  55   EXPECT_EQ(100, rwh_comp.sequence_number);
  56   EXPECT_EQ(1u, rwh_comp.event_count);
  57
  58   EXPECT_TRUE(output.FindLatency(
  59       INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 1234, nullptr));
  60 }
  61
  62 TEST(LatencyInfoParamTraitsTest, InvalidData) {
  63   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
  64   IPC::WriteParam(&msg, std::string());
  65   ui::LatencyInfo::LatencyMap components;
  66   IPC::WriteParam(&msg, components);
  67   // input_coordinates_size is 2 but only one InputCoordinate is written.
  68   IPC::WriteParam(&msg, static_cast<uint32>(2));
  69   IPC::WriteParam(&msg, ui::LatencyInfo::InputCoordinate());
  70   IPC::WriteParam(&msg, static_cast<int64>(1234));
  71   IPC::WriteParam(&msg, true);
  72
  73   base::PickleIterator iter(msg);
  74   LatencyInfo output;
  75   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &output));
  76 }
  77
  78 }  // namespace ui