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// 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 "base/strings/utf_string_conversions.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/views/accessibility/native_view_accessibility.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/label.h"
#include "ui/views/test/views_test_base.h"
namespace views {
namespace test {
class NativeViewAccessibilityTest;
namespace {
class TestButton : public Button {
public:
TestButton() : Button(NULL) {}
};
} // namespace
class NativeViewAccessibilityTest : public ViewsTestBase {
public:
NativeViewAccessibilityTest() {}
~NativeViewAccessibilityTest() override {}
void SetUp() override {
ViewsTestBase::SetUp();
button_.reset(new TestButton());
button_->SetSize(gfx::Size(20, 20));
button_accessibility_ = NativeViewAccessibility::Create(button_.get());
label_.reset(new Label);
button_->AddChildView(label_.get());
label_accessibility_ = NativeViewAccessibility::Create(label_.get());
}
void TearDown() override {
button_accessibility_->Destroy();
button_accessibility_ = NULL;
label_accessibility_->Destroy();
label_accessibility_ = NULL;
ViewsTestBase::TearDown();
}
protected:
scoped_ptr<TestButton> button_;
NativeViewAccessibility* button_accessibility_;
scoped_ptr<Label> label_;
NativeViewAccessibility* label_accessibility_;
};
TEST_F(NativeViewAccessibilityTest, RoleShouldMatch) {
EXPECT_EQ(ui::AX_ROLE_BUTTON, button_accessibility_->GetData().role);
EXPECT_EQ(ui::AX_ROLE_STATIC_TEXT, label_accessibility_->GetData().role);
}
TEST_F(NativeViewAccessibilityTest, BoundsShouldMatch) {
gfx::Rect bounds = button_accessibility_->GetData().location;
bounds.Offset(button_accessibility_->GetGlobalCoordinateOffset());
EXPECT_EQ(button_->GetBoundsInScreen(), bounds);
}
TEST_F(NativeViewAccessibilityTest, LabelIsChildOfButton) {
EXPECT_EQ(1, button_accessibility_->GetChildCount());
EXPECT_EQ(label_->GetNativeViewAccessible(),
button_accessibility_->ChildAtIndex(0));
EXPECT_EQ(button_->GetNativeViewAccessible(),
label_accessibility_->GetParent());
}
// Subclass of NativeViewAccessibility that destroys itself when its
// parent widget is destroyed, for the purposes of making sure this
// doesn't lead to a crash.
class TestNativeViewAccessibility : public NativeViewAccessibility {
public:
explicit TestNativeViewAccessibility(View* view)
: NativeViewAccessibility(view) {}
void OnWidgetDestroying(Widget* widget) override {
bool is_destroying_parent_widget = (parent_widget_ == widget);
NativeViewAccessibility::OnWidgetDestroying(widget);
if (is_destroying_parent_widget)
delete this;
}
};
TEST_F(NativeViewAccessibilityTest, CrashOnWidgetDestroyed) {
scoped_ptr<Widget> parent_widget(new Widget);
Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = gfx::Rect(50, 50, 650, 650);
parent_widget->Init(params);
scoped_ptr<Widget> child_widget(new Widget);
child_widget->Init(params);
// Make sure that deleting the parent widget can't cause a crash
// due to NativeViewAccessibility not unregistering itself as a
// WidgetObserver. Note that TestNativeViewAccessibility is a subclass
// defined above that destroys itself when its parent widget is destroyed.
TestNativeViewAccessibility* child_accessible =
new TestNativeViewAccessibility(child_widget->GetRootView());
child_accessible->SetParentWidget(parent_widget.get());
parent_widget.reset();
}
} // namespace test
} // namespace views
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