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Unified Diff: athena/util/drag_handle_unittest.cc

Issue 598083002: Adding split view divider widget. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixing NOTREACHED() in a unit test. Created 6 years, 3 months ago
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Index: athena/util/drag_handle_unittest.cc
diff --git a/athena/util/drag_handle_unittest.cc b/athena/util/drag_handle_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..42eadefaa1e9d9922e25cd0c4446497c4cf31a2d
--- /dev/null
+++ b/athena/util/drag_handle_unittest.cc
@@ -0,0 +1,140 @@
+// 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 "athena/util/drag_handle.h"
+
+#include "ui/aura/test/aura_test_base.h"
+#include "ui/aura/window.h"
+#include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+
+namespace athena {
+
+class DragHandleDelegateTest : public DragHandleScrollDelegate {
+ public:
+ explicit DragHandleDelegateTest()
+ : begin_delta_(0),
+ got_scroll_end_(false),
+ update_delta_(0) {}
+
+ virtual ~DragHandleDelegateTest() {}
+
+ void Reset() {
+ begin_delta_ = 0;
+ got_scroll_end_ = false;
+ update_delta_ = 0;
+ }
+
+ float begin_delta() { return begin_delta_; }
+ bool got_scroll_end() { return got_scroll_end_; }
+ float update_delta() { return update_delta_; }
+
+ private:
+ // DragHandleScrollDelegate:
+ virtual void HandleScrollBegin(float delta) OVERRIDE {
+ begin_delta_ = delta;
+ }
+
+ virtual void HandleScrollEnd() OVERRIDE {
+ got_scroll_end_ = true;
+ }
+
+ virtual void HandleScrollUpdate(float delta) OVERRIDE {
+ update_delta_ = delta;
+ }
+
+ float begin_delta_;
+ bool got_scroll_end_;
+ float update_delta_;
+
+ DISALLOW_COPY_AND_ASSIGN(DragHandleDelegateTest);
+};
+
+typedef aura::test::AuraTestBase DragHandleTest;
+
+const int kDragHandleWidth = 10;
+const int kDragHandleHeight = 100;
+
+ui::GestureEvent CreateGestureEvent(ui::EventType type,
+ float x,
+ float delta_x) {
+ ui::GestureEvent event(
+ x,
+ 1,
+ 0,
+ base::TimeDelta::FromInternalValue(base::Time::Now().ToInternalValue()),
+ type == ui::ET_GESTURE_SCROLL_END
+ ? ui::GestureEventDetails(type)
+ : ui::GestureEventDetails(type, delta_x, 0));
+ event.set_root_location(gfx::PointF(x, 1));
+ return event;
+}
+
+TEST_F(DragHandleTest, ScrollTest) {
+ DragHandleDelegateTest delegate;
+ scoped_ptr<views::View> drag_handle(
+ CreateDragHandleView(DragHandleScrollDirection::DRAG_HANDLE_HORIZONTAL,
+ &delegate,
+ kDragHandleWidth,
+ kDragHandleHeight));
+
+ views::Widget widget;
+ views::Widget::InitParams params(
+ views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+ params.parent = root_window();
+ params.accept_events = true;
+ params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+ widget.Init(params);
+ widget.SetContentsView(drag_handle.get());
+ const gfx::Size& size = gfx::Size(kDragHandleWidth, kDragHandleHeight);
+ widget.SetSize(size);
+ widget.SetBounds(gfx::Rect(0, 0, size.width(), size.height()));
+
+ const float begin_x = 4.0;
+ const float begin_delta = 10.0;
+ const float update_delta = 15.0;
+
+ ui::GestureEvent scroll_begin_model =
+ CreateGestureEvent(ui::ET_GESTURE_SCROLL_BEGIN, begin_x, begin_delta);
+ ui::GestureEvent scroll_update_model =
+ CreateGestureEvent(ui::ET_GESTURE_SCROLL_UPDATE,
+ begin_x + update_delta,
+ update_delta - begin_delta);
+ ui::GestureEvent scroll_end_model =
+ CreateGestureEvent(ui::ET_GESTURE_SCROLL_END, begin_x + update_delta, 0);
+ ui::GestureEvent fling_start_model =
+ CreateGestureEvent(ui::ET_SCROLL_FLING_START, begin_x + update_delta, 0);
+
+ // Normal scroll
+ ui::GestureEvent e(scroll_begin_model);
+ widget.OnGestureEvent(&e);
+ EXPECT_EQ(begin_delta, delegate.begin_delta());
+ EXPECT_EQ(0, delegate.update_delta());
+ EXPECT_FALSE(delegate.got_scroll_end());
+ e = ui::GestureEvent(scroll_update_model);
+ widget.OnGestureEvent(&e);
+ EXPECT_EQ(update_delta, delegate.update_delta());
+ EXPECT_FALSE(delegate.got_scroll_end());
+ e = ui::GestureEvent(scroll_end_model);
+ widget.OnGestureEvent(&e);
+ EXPECT_EQ(update_delta, delegate.update_delta());
+ EXPECT_TRUE(delegate.got_scroll_end());
+
+ delegate.Reset();
+
+ // Scroll ending with a fling
+ e = ui::GestureEvent(scroll_begin_model);
+ widget.OnGestureEvent(&e);
+ e = ui::GestureEvent(scroll_update_model);
+ widget.OnGestureEvent(&e);
+ e = ui::GestureEvent(fling_start_model);
+ widget.OnGestureEvent(&e);
+ EXPECT_TRUE(delegate.got_scroll_end());
+
+ delegate.Reset();
+
+ drag_handle.reset();
+}
+
+} // namespace athena
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