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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 "third_party/blink/renderer/core/testing/core_unit_test_helper.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/core/html/html_iframe_element.h"
#include "third_party/blink/renderer/core/input/event_handler.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/scroll/scrollbar_theme.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/loader/fetch/memory_cache.h"
#include "ui/events/blink/blink_event_util.h"
namespace blink {
LocalFrame* SingleChildLocalFrameClient::CreateFrame(
const AtomicString& name,
HTMLFrameOwnerElement* owner_element) {
DCHECK(!child_) << "This test helper only supports one child frame.";
LocalFrame* parent_frame = owner_element->GetDocument().GetFrame();
auto* child_client =
MakeGarbageCollected<LocalFrameClientWithParent>(parent_frame);
child_ = MakeGarbageCollected<LocalFrame>(
child_client, *parent_frame->GetPage(), owner_element,
&parent_frame->window_agent_factory(), nullptr);
child_->CreateView(IntSize(500, 500), Color::kTransparent);
child_->Init();
return child_.Get();
}
void LocalFrameClientWithParent::Detached(FrameDetachType) {
static_cast<SingleChildLocalFrameClient*>(Parent()->Client())
->DidDetachChild();
}
void RenderingTestChromeClient::InjectGestureScrollEvent(
LocalFrame& local_frame,
WebGestureDevice device,
const gfx::Vector2dF& delta,
ScrollGranularity granularity,
CompositorElementId scrollable_area_element_id,
WebInputEvent::Type injected_type) {
// Directly handle injected gesture scroll events. In a real browser, these
// would be added to the event queue and handled asynchronously but immediate
// handling is sufficient to test scrollbar dragging.
std::unique_ptr<WebGestureEvent> gesture_event =
ui::GenerateInjectedScrollGesture(injected_type, base::TimeTicks::Now(),
device, gfx::PointF(0, 0), delta,
granularity);
if (injected_type == WebInputEvent::Type::kGestureScrollBegin) {
gesture_event->data.scroll_begin.scrollable_area_element_id =
scrollable_area_element_id.GetStableId();
}
local_frame.GetEventHandler().HandleGestureEvent(*gesture_event);
}
RenderingTestChromeClient& RenderingTest::GetChromeClient() const {
DEFINE_STATIC_LOCAL(Persistent<RenderingTestChromeClient>, client,
(MakeGarbageCollected<RenderingTestChromeClient>()));
return *client;
}
RenderingTest::RenderingTest(LocalFrameClient* local_frame_client)
: local_frame_client_(local_frame_client) {}
const Node* RenderingTest::HitTest(int x, int y) {
HitTestLocation location(PhysicalOffset(x, y));
HitTestResult result(
HitTestRequest(HitTestRequest::kReadOnly | HitTestRequest::kActive |
HitTestRequest::kAllowChildFrameContent),
location);
GetLayoutView().HitTest(location, result);
return result.InnerNode();
}
HitTestResult::NodeSet RenderingTest::RectBasedHitTest(
const PhysicalRect& rect) {
HitTestLocation location(rect);
HitTestResult result(
HitTestRequest(HitTestRequest::kReadOnly | HitTestRequest::kActive |
HitTestRequest::kAllowChildFrameContent |
HitTestRequest::kListBased),
location);
GetLayoutView().HitTest(location, result);
return result.ListBasedTestResult();
}
void RenderingTest::SetUp() {
Page::PageClients page_clients;
FillWithEmptyClients(page_clients);
GetChromeClient().SetUp();
page_clients.chrome_client = &GetChromeClient();
SetupPageWithClients(&page_clients, local_frame_client_, SettingOverrider());
EXPECT_TRUE(
GetDocument().GetPage()->GetScrollbarTheme().UsesOverlayScrollbars());
// This ensures that the minimal DOM tree gets attached
// correctly for tests that don't call setBodyInnerHTML.
GetDocument().View()->SetParentVisible(true);
GetDocument().View()->SetSelfVisible(true);
UpdateAllLifecyclePhasesForTest();
// Allow ASSERT_DEATH and EXPECT_DEATH for multiple threads.
testing::FLAGS_gtest_death_test_style = "threadsafe";
}
void RenderingTest::TearDown() {
// We need to destroy most of the Blink structure here because derived tests
// may restore RuntimeEnabledFeatures setting during teardown, which happens
// before our destructor getting invoked, breaking the assumption that REF
// can't change during Blink lifetime.
PageTestBase::TearDown();
// Clear memory cache, otherwise we can leak pruned resources.
GetMemoryCache()->EvictResources();
}
void RenderingTest::SetChildFrameHTML(const String& html) {
ChildDocument().SetBaseURLOverride(KURL("http://test.com"));
ChildDocument().body()->setInnerHTML(html, ASSERT_NO_EXCEPTION);
// Setting HTML implies the frame loads contents, so we need to advance the
// state machine to leave the initial empty document state.
auto* state_machine = ChildDocument().GetFrame()->Loader().StateMachine();
if (state_machine->IsDisplayingInitialEmptyDocument())
state_machine->AdvanceTo(FrameLoaderStateMachine::kCommittedFirstRealLoad);
// And let the frame view exit the initial throttled state.
ChildDocument().View()->BeginLifecycleUpdates();
}
} // namespace blink
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