Sync ui/events to chromium @ https://codereview.chromium.org/1210203002

ui/events/ozone/evdev/tablet_event_converter_evdev_unittest.cc

+// Copyright 2014 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 <errno.h>
+#include <fcntl.h>
+#include <linux/input.h>
+#include <unistd.h>
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
+#include "base/posix/eintr_wrapper.h"
+#include "base/run_loop.h"
+#include "base/time/time.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/event.h"
+#include "ui/events/ozone/device/device_manager.h"
+#include "ui/events/ozone/evdev/event_converter_test_util.h"
+#include "ui/events/ozone/evdev/event_device_test_util.h"
+#include "ui/events/ozone/evdev/event_factory_evdev.h"
+#include "ui/events/ozone/evdev/tablet_event_converter_evdev.h"
+#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
+#include "ui/events/platform/platform_event_dispatcher.h"
+#include "ui/events/platform/platform_event_source.h"
+
+namespace {
+
+static int SetNonBlocking(int fd) {
+  int flags = fcntl(fd, F_GETFL, 0);
+  if (flags == -1)
+    flags = 0;
+  return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+}
+
+const char kTestDevicePath[] = "/dev/input/test-device";
+
+const ui::DeviceAbsoluteAxis kWacomIntuos5SPenAbsAxes[] = {
+    {ABS_X, {0, 0, 31496, 4, 0, 200}},
+    {ABS_Y, {0, 0, 19685, 4, 0, 200}},
+    {ABS_Z, {0, -900, 899, 0, 0, 0}},
+    {ABS_RZ, {0, -900, 899, 0, 0, 0}},
+    {ABS_THROTTLE, {0, -1023, 1023, 0, 0, 0}},
+    {ABS_WHEEL, {0, 0, 1023, 0, 0, 0}},
+    {ABS_PRESSURE, {0, 0, 2047, 0, 0, 0}},
+    {ABS_DISTANCE, {0, 0, 63, 0, 0, 0}},
+    {ABS_TILT_X, {0, 0, 127, 0, 0, 0}},
+    {ABS_TILT_Y, {0, 0, 127, 0, 0, 0}},
+    {ABS_MISC, {0, 0, 0, 0, 0, 0}},
+};
+
+const ui::DeviceCapabilities kWacomIntuos5SPen = {
+    /* path */ "/sys/devices/pci0000:00/0000:00:14.0/usb1/"
+               "1-1/1-1:1.0/input/input19/event5",
+    /* name */ "Wacom Intuos5 touch S Pen",
+    /* phys */ "",
+    /* uniq */ "",
+    /* bustype */ "0003",
+    /* vendor */ "056a",
+    /* product */ "0026",
+    /* version */ "0107",
+    /* prop */ "1",
+    /* ev */ "1f",
+    /* key */ "1cdf 1f007f 0 0 0 0",
+    /* rel */ "100",
+    /* abs */ "1000f000167",
+    /* msc */ "1",
+    /* sw */ "0",
+    /* led */ "0",
+    /* ff */ "0",
+    kWacomIntuos5SPenAbsAxes,
+    arraysize(kWacomIntuos5SPenAbsAxes),
+};
+
+}  // namespace
+
+namespace ui {
+
+class MockTabletEventConverterEvdev : public TabletEventConverterEvdev {
+ public:
+  MockTabletEventConverterEvdev(int fd,
+                                base::FilePath path,
+                                CursorDelegateEvdev* cursor,
+                                const EventDeviceInfo& devinfo,
+                                DeviceEventDispatcherEvdev* dispatcher);
+  ~MockTabletEventConverterEvdev() override {};
+
+  void ConfigureReadMock(struct input_event* queue,
+                         long read_this_many,
+                         long queue_index);
+
+  // Actually dispatch the event reader code.
+  void ReadNow() {
+    OnFileCanReadWithoutBlocking(read_pipe_);
+    base::RunLoop().RunUntilIdle();
+  }
+
+ private:
+  int read_pipe_;
+  int write_pipe_;
+
+  ScopedVector<Event> dispatched_events_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockTabletEventConverterEvdev);
+};
+
+class MockTabletCursorEvdev : public CursorDelegateEvdev {
+ public:
+  MockTabletCursorEvdev() { cursor_confined_bounds_ = gfx::Rect(1024, 768); }
+  ~MockTabletCursorEvdev() override {}
+
+  // CursorDelegateEvdev:
+  void MoveCursorTo(gfx::AcceleratedWidget widget,
+                    const gfx::PointF& location) override {
+    NOTREACHED();
+  }
+  void MoveCursorTo(const gfx::PointF& location) override {
+    cursor_location_ = location;
+  }
+  void MoveCursor(const gfx::Vector2dF& delta) override { NOTREACHED(); }
+  bool IsCursorVisible() override { return 1; }
+  gfx::PointF GetLocation() override { return cursor_location_; }
+  gfx::Rect GetCursorConfinedBounds() override {
+    return cursor_confined_bounds_;
+  }
+
+ private:
+  gfx::PointF cursor_location_;
+  gfx::Rect cursor_confined_bounds_;
+  DISALLOW_COPY_AND_ASSIGN(MockTabletCursorEvdev);
+};
+
+MockTabletEventConverterEvdev::MockTabletEventConverterEvdev(
+    int fd,
+    base::FilePath path,
+    CursorDelegateEvdev* cursor,
+    const EventDeviceInfo& devinfo,
+    DeviceEventDispatcherEvdev* dispatcher)
+    : TabletEventConverterEvdev(fd,
+                                path,
+                                1,
+                                INPUT_DEVICE_UNKNOWN,
+                                cursor,
+                                devinfo,
+                                dispatcher) {
+  int fds[2];
+
+  if (pipe(fds))
+    PLOG(FATAL) << "failed pipe";
+
+  EXPECT_FALSE(SetNonBlocking(fds[0]) || SetNonBlocking(fds[1]))
+    << "failed to set non-blocking: " << strerror(errno);
+
+  read_pipe_ = fds[0];
+  write_pipe_ = fds[1];
+}
+
+void MockTabletEventConverterEvdev::ConfigureReadMock(struct input_event* queue,
+                                                      long read_this_many,
+                                                      long queue_index) {
+  int nwrite = HANDLE_EINTR(write(write_pipe_, queue + queue_index,
+                                  sizeof(struct input_event) * read_this_many));
+  DCHECK(nwrite ==
+         static_cast<int>(sizeof(struct input_event) * read_this_many))
+      << "write() failed, errno: " << errno;
+}
+
+}  // namespace ui
+
+// Test fixture.
+class TabletEventConverterEvdevTest : public testing::Test {
+ public:
+  TabletEventConverterEvdevTest() {}
+
+  // Overridden from testing::Test:
+  void SetUp() override {
+    // Set up pipe to satisfy message pump (unused).
+    int evdev_io[2];
+    if (pipe(evdev_io))
+      PLOG(FATAL) << "failed pipe";
+    events_in_ = evdev_io[0];
+    events_out_ = evdev_io[1];
+
+    cursor_.reset(new ui::MockTabletCursorEvdev());
+    device_manager_ = ui::CreateDeviceManagerForTest();
+    event_factory_ = ui::CreateEventFactoryEvdevForTest(
+        cursor_.get(), device_manager_.get(),
+        ui::KeyboardLayoutEngineManager::GetKeyboardLayoutEngine(),
+        base::Bind(&TabletEventConverterEvdevTest::DispatchEventForTest,
+                   base::Unretained(this)));
+    dispatcher_ =
+        ui::CreateDeviceEventDispatcherEvdevForTest(event_factory_.get());
+  }
+
+  void TearDown() override {
+    cursor_.reset();
+  }
+
+  ui::MockTabletEventConverterEvdev* CreateDevice(
+      const ui::DeviceCapabilities& caps) {
+    ui::EventDeviceInfo devinfo;
+    CapabilitiesToDeviceInfo(caps, &devinfo);
+    return new ui::MockTabletEventConverterEvdev(
+        events_in_, base::FilePath(kTestDevicePath), cursor_.get(), devinfo,
+        dispatcher_.get());
+  }
+
+  ui::CursorDelegateEvdev* cursor() { return cursor_.get(); }
+
+  unsigned size() { return dispatched_events_.size(); }
+  ui::MouseEvent* dispatched_event(unsigned index) {
+    DCHECK_GT(dispatched_events_.size(), index);
+    ui::Event* ev = dispatched_events_[index];
+    DCHECK(ev->IsMouseEvent());
+    return static_cast<ui::MouseEvent*>(ev);
+  }
+
+  void DispatchEventForTest(ui::Event* event) {
+    scoped_ptr<ui::Event> cloned_event = ui::Event::Clone(*event);
+    dispatched_events_.push_back(cloned_event.Pass());
+  }
+
+ private:
+  scoped_ptr<ui::MockTabletCursorEvdev> cursor_;
+  scoped_ptr<ui::DeviceManager> device_manager_;
+  scoped_ptr<ui::EventFactoryEvdev> event_factory_;
+  scoped_ptr<ui::DeviceEventDispatcherEvdev> dispatcher_;
+
+  ScopedVector<ui::Event> dispatched_events_;
+
+  int events_out_;
+  int events_in_;
+
+  DISALLOW_COPY_AND_ASSIGN(TabletEventConverterEvdevTest);
+};
+
+#define EPSILON 20
+
+// Uses real data captured from Wacom Intuos 5 Pen
+TEST_F(TabletEventConverterEvdevTest, MoveTopLeft) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 63},
+      {{0, 0}, EV_ABS, ABS_X, 477},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 66},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 62},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(1u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+
+  EXPECT_LT(cursor()->GetLocation().x(), EPSILON);
+  EXPECT_LT(cursor()->GetLocation().y(), EPSILON);
+}
+
+TEST_F(TabletEventConverterEvdevTest, MoveTopRight) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 63},
+      {{0, 0}, EV_ABS, ABS_X, 31496},
+      {{0, 0}, EV_ABS, ABS_Y, 109},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 66},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 61},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(1u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+
+  EXPECT_GT(cursor()->GetLocation().x(),
+            cursor()->GetCursorConfinedBounds().width() - EPSILON);
+  EXPECT_LT(cursor()->GetLocation().y(), EPSILON);
+}
+
+TEST_F(TabletEventConverterEvdevTest, MoveBottomLeft) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 63},
+      {{0, 0}, EV_ABS, ABS_Y, 19685},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 64},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 61},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_Y, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(1u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+
+  EXPECT_LT(cursor()->GetLocation().x(), EPSILON);
+  EXPECT_GT(cursor()->GetLocation().y(),
+            cursor()->GetCursorConfinedBounds().height() - EPSILON);
+}
+
+TEST_F(TabletEventConverterEvdevTest, MoveBottomRight) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 63},
+      {{0, 0}, EV_ABS, ABS_X, 31496},
+      {{0, 0}, EV_ABS, ABS_Y, 19685},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 67},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 63},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_Y, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(1u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+
+  EXPECT_GT(cursor()->GetLocation().x(),
+            cursor()->GetCursorConfinedBounds().height() - EPSILON);
+  EXPECT_GT(cursor()->GetLocation().y(),
+            cursor()->GetCursorConfinedBounds().height() - EPSILON);
+}
+
+TEST_F(TabletEventConverterEvdevTest, Tap) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_X, 15456},
+      {{0, 0}, EV_ABS, ABS_Y, 8605},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 49},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 68},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 64},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 15725},
+      {{0, 0}, EV_ABS, ABS_Y, 8755},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 29},
+      {{0, 0}, EV_ABS, ABS_PRESSURE, 992},
+      {{0, 0}, EV_KEY, BTN_TOUCH, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 15922},
+      {{0, 0}, EV_ABS, ABS_Y, 8701},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 32},
+      {{0, 0}, EV_ABS, ABS_PRESSURE, 0},
+      {{0, 0}, EV_KEY, BTN_TOUCH, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_Y, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(3u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+  event = dispatched_event(1);
+  EXPECT_EQ(ui::ET_MOUSE_PRESSED, event->type());
+  EXPECT_EQ(true, event->IsLeftMouseButton());
+  event = dispatched_event(2);
+  EXPECT_EQ(ui::ET_MOUSE_RELEASED, event->type());
+  EXPECT_EQ(true, event->IsLeftMouseButton());
+}
+
+TEST_F(TabletEventConverterEvdevTest, StylusButtonPress) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 63},
+      {{0, 0}, EV_ABS, ABS_X, 18372},
+      {{0, 0}, EV_ABS, ABS_Y, 9880},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 61},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 60},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 63},
+      {{0, 0}, EV_ABS, ABS_MISC, 1050626},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 18294},
+      {{0, 0}, EV_ABS, ABS_Y, 9723},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 20},
+      {{0, 0}, EV_ABS, ABS_PRESSURE, 1015},
+      {{0, 0}, EV_KEY, BTN_STYLUS2, 1},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 18516},
+      {{0, 0}, EV_ABS, ABS_Y, 9723},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 23},
+      {{0, 0}, EV_KEY, BTN_STYLUS2, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_Y, 0},
+      {{0, 0}, EV_ABS, ABS_DISTANCE, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_X, 0},
+      {{0, 0}, EV_ABS, ABS_TILT_Y, 0},
+      {{0, 0}, EV_KEY, BTN_TOOL_PEN, 0},
+      {{0, 0}, EV_ABS, ABS_MISC, 0},
+      {{0, 0}, EV_MSC, MSC_SERIAL, 897618290},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(3u, size());
+
+  ui::MouseEvent* event = dispatched_event(0);
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
+  event = dispatched_event(1);
+  EXPECT_EQ(ui::ET_MOUSE_PRESSED, event->type());
+  EXPECT_EQ(true, event->IsRightMouseButton());
+  event = dispatched_event(2);
+  EXPECT_EQ(ui::ET_MOUSE_RELEASED, event->type());
+  EXPECT_EQ(true, event->IsRightMouseButton());
+}
+
+// Should only get an event if BTN_TOOL received
+TEST_F(TabletEventConverterEvdevTest, CheckStylusFiltering) {
+  scoped_ptr<ui::MockTabletEventConverterEvdev> dev =
+      make_scoped_ptr(CreateDevice(kWacomIntuos5SPen));
+
+  struct input_event mock_kernel_queue[] = {
+      {{0, 0}, EV_ABS, ABS_X, 0},
+      {{0, 0}, EV_ABS, ABS_Y, 0},
+      {{0, 0}, EV_SYN, SYN_REPORT, 0},
+  };
+
+  dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
+  EXPECT_EQ(0u, size());
+}