chromeos: Laser tool blocks events from propagating.

ash/common/system/chromeos/palette/tools/laser_pointer_unittest.cc

-// Copyright 2016 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 "ash/common/system/chromeos/palette/tools/laser_pointer_mode.h"
-#include "ash/common/system/chromeos/palette/tools/laser_pointer_mode_test_api.h"
-#include "ash/common/system/chromeos/palette/tools/laser_pointer_points_test_api.h"
-#include "ash/common/system/chromeos/palette/tools/laser_pointer_view.h"
-#include "ash/common/test/test_palette_delegate.h"
-#include "ash/common/wm_shell.h"
-#include "ash/test/ash_test_base.h"
-#include "ui/events/test/event_generator.h"
-
-namespace ash {
-namespace {
-
-const int kTestPointsLifetimeSeconds = 5;
-
-class LaserPointerPointsTest : public test::AshTestBase {
- public:
-  LaserPointerPointsTest()
-      : points_(base::TimeDelta::FromSeconds(kTestPointsLifetimeSeconds)),
-        points_test_api_(base::MakeUnique<LaserPointerPoints>(
-            base::TimeDelta::FromSeconds(kTestPointsLifetimeSeconds))) {}
-
-  ~LaserPointerPointsTest() override {}
-
-  void SetUp() override {
-    AshTestBase::SetUp();
-    // Add a test delegate so that laser pointer mode does not complain when
-    // being destroyed.
-    WmShell::Get()->SetPaletteDelegateForTesting(
-        base::MakeUnique<TestPaletteDelegate>());
-  }
-
- protected:
-  LaserPointerPoints points_;
-  LaserPointerPointsTestApi points_test_api_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LaserPointerPointsTest);
-};
-
-class LaserPointerModeTest : public test::AshTestBase {
- public:
-  LaserPointerModeTest() {}
-  ~LaserPointerModeTest() override {}
-
-  void SetUp() override {
-    AshTestBase::SetUp();
-    WmShell::Get()->SetPaletteDelegateForTesting(
-        base::MakeUnique<TestPaletteDelegate>());
-    mode_test_api_.reset(new LaserPointerModeTestApi(
-        base::WrapUnique<LaserPointerMode>(new LaserPointerMode(nullptr))));
-  }
-
-  void TearDown() override {
-    // This needs to be called first to remove the pointer watcher otherwise
-    // tear down will complain about there being more than zero pointer watcher
-    // alive.
-    mode_test_api_.reset();
-    AshTestBase::TearDown();
-  }
-
- protected:
-  std::unique_ptr<LaserPointerModeTestApi> mode_test_api_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LaserPointerModeTest);
-};
-
-}  // namespace
-
-// Tests that the laser pointers internal collection handles receiving points
-// and that the functions are returning the expected output.
-TEST_F(LaserPointerPointsTest, LaserPointerInternalCollection) {
-  EXPECT_TRUE(points_.IsEmpty());
-  EXPECT_EQ(gfx::Rect(), points_.GetBoundingBox());
-  const gfx::Point left(1, 1);
-  const gfx::Point bottom(1, 9);
-  const gfx::Point top_right(30, 0);
-  const gfx::Point last(2, 2);
-  points_.AddPoint(left);
-  EXPECT_EQ(gfx::Rect(1, 1, 0, 0), points_.GetBoundingBox());
-
-  // Should be the new bottom of the bounding box.
-  points_.AddPoint(bottom);
-  EXPECT_EQ(gfx::Rect(1, 1, 0, bottom.y() - 1), points_.GetBoundingBox());
-
-  // Should be the new top and right of the bounding box.
-  points_.AddPoint(top_right);
-  EXPECT_EQ(3, points_.GetNumberOfPoints());
-  EXPECT_FALSE(points_.IsEmpty());
-  EXPECT_EQ(gfx::Rect(left.x(), top_right.y(), top_right.x() - left.x(),
-                      bottom.y() - top_right.y()),
-            points_.GetBoundingBox());
-
-  // Should not expand bounding box.
-  points_.AddPoint(last);
-  EXPECT_EQ(gfx::Rect(left.x(), top_right.y(), top_right.x() - left.x(),
-                      bottom.y() - top_right.y()),
-            points_.GetBoundingBox());
-
-  // Points should be sorted in the order they are added.
-  EXPECT_EQ(left, points_.GetOldest().location);
-  EXPECT_EQ(last, points_.GetNewest().location);
-
-  // Add a new point which will expand the bounding box.
-  gfx::Point new_left_bottom(0, 40);
-  points_.AddPoint(new_left_bottom);
-  EXPECT_EQ(5, points_.GetNumberOfPoints());
-  EXPECT_EQ(gfx::Rect(new_left_bottom.x(), top_right.y(),
-                      top_right.x() - new_left_bottom.x(),
-                      new_left_bottom.y() - top_right.y()),
-            points_.GetBoundingBox());
-
-  // Verify clearing works.
-  points_.Clear();
-  EXPECT_TRUE(points_.IsEmpty());
-}
-
-// Test the laser pointer points collection to verify that old points are
-// removed.
-TEST_F(LaserPointerPointsTest, LaserPointerInternalCollectionDeletion) {
-  // When a point older than kTestPointsLifetime (5 seconds) is added, it
-  // should get removed.
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(1));
-  EXPECT_EQ(1, points_test_api_.GetNumberOfPoints());
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(1));
-  EXPECT_EQ(2, points_test_api_.GetNumberOfPoints());
-
-  // Verify adding a point 10 seconds later will clear all other points, since
-  // they are older than 5 seconds.
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(10));
-  EXPECT_EQ(1, points_test_api_.GetNumberOfPoints());
-
-  // Verify adding 3 points one second apart each will add 3 points to the
-  // collection, since all 4 poitns are younger than 5 seconds.
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(1));
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(1));
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(1));
-  EXPECT_EQ(4, points_test_api_.GetNumberOfPoints());
-
-  // Verify adding 1 point three seconds later will remove 2 points which are
-  // older than 5 seconds.
-  points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(3));
-  EXPECT_EQ(3, points_test_api_.GetNumberOfPoints());
-}
-
-// Test to ensure the class responsible for drawing the laser pointer receives
-// points from mouse movements as expected.
-TEST_F(LaserPointerModeTest, LaserPointerRenderer) {
-  // The laser pointer mode only works with stylus.
-  GetEventGenerator().EnterPenPointerMode();
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(10, 40));
-  EXPECT_EQ(0, mode_test_api_->laser_points().GetNumberOfPoints());
-
-  // Verify enabling the mode will start with a single point at the current
-  // location.
-  mode_test_api_->OnEnable();
-  EXPECT_EQ(1, mode_test_api_->laser_points().GetNumberOfPoints());
-
-  // Verify moving the mouse 4 times will add 4 more points.
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(25, 66));
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(91, 38));
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(34, 58));
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(19, 71));
-  EXPECT_EQ(5, mode_test_api_->laser_points().GetNumberOfPoints());
-
-  // Verify disabling the mode will clear any active points.
-  mode_test_api_->OnDisable();
-  EXPECT_EQ(0, mode_test_api_->laser_points().GetNumberOfPoints());
-
-  // Verify that the laser pointer does not add points while disabled.
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(34, 58));
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(19, 71));
-  EXPECT_EQ(0, mode_test_api_->laser_points().GetNumberOfPoints());
-
-  // Verify that the laser pointer adds the last seen stylus point when enabled
-  // even when stylus mode is disabled.
-  GetEventGenerator().ExitPenPointerMode();
-  mode_test_api_->OnEnable();
-  EXPECT_EQ(1, mode_test_api_->laser_points().GetNumberOfPoints());
-  EXPECT_EQ(GetEventGenerator().current_location(),
-            mode_test_api_->laser_points().GetNewest().location);
-  // Verify that the laser pointer does not add additional points when move
-  // events are not from stylus.
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(34, 58));
-  GetEventGenerator().MoveMouseToInHost(gfx::Point(19, 71));
-  EXPECT_EQ(1, mode_test_api_->laser_points().GetNumberOfPoints());
-}
-}  // namespace ash