Show/hide ink drop highlight when button enable state changes.

ui/views/controls/button/custom_button_unittest.cc

 // Copyright (c) 2012 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 "ui/views/controls/button/custom_button.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
@@ skipping 447 matching lines @@
 
   button()->OnBlur();
   EXPECT_EQ(InkDropState::HIDDEN, ink_drop->GetTargetInkDropState());
 
   button()->OnMouseReleased(ui::MouseEvent(
       ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
   EXPECT_TRUE(button()->pressed());
 }
 
+TEST_F(CustomButtonTest, HideInkDropHighlightOnDisable) {
+  TestInkDrop* ink_drop = new TestInkDrop();
+  CreateButtonWithInkDrop(base::WrapUnique(ink_drop), false);
+
+  ui::test::EventGenerator generator(widget()->GetNativeWindow());
+  generator.MoveMouseToInHost(10, 10);
+  EXPECT_TRUE(ink_drop->is_hovered());
+  button()->SetEnabled(false);
+  EXPECT_FALSE(ink_drop->is_hovered());
+  button()->SetEnabled(true);
+  EXPECT_TRUE(ink_drop->is_hovered());
+}
+
 TEST_F(CustomButtonTest, InkDropAfterTryingToShowContextMenu) {
   TestInkDrop* ink_drop = new TestInkDrop();
   CreateButtonWithInkDrop(base::WrapUnique(ink_drop), false);
   button()->set_context_menu_controller(nullptr);
 
   ink_drop->SetHovered(true);
   ink_drop->AnimateToState(InkDropState::ACTION_PENDING);
 
   button()->ShowContextMenu(gfx::Point(), ui::MENU_SOURCE_MOUSE);
 
@@ skipping 165 matching lines @@
   EXPECT_EQ(CustomButton::STATE_PRESSED, button()->state());
   EXPECT_FALSE(button()->pressed());
 
   ui::KeyEvent space_release(ui::ET_KEY_RELEASED, ui::VKEY_SPACE, ui::EF_NONE);
   SimulateKeyEvent(&space_release);
   EXPECT_EQ(CustomButton::STATE_NORMAL, button()->state());
   EXPECT_TRUE(button()->pressed());
 }
 
 }  // namespace views