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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 "config.h"
#include "core/dom/TreeScope.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "core/dom/shadow/ShadowRoot.h"
#include <gtest/gtest.h>
using namespace blink;
namespace {
TEST(TreeScopeTest, CommonAncestorOfSameTrees)
{
RefPtrWillBeRawPtr<Document> document = Document::create();
EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*document));
RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRoot(ASSERT_NO_EXCEPTION);
EXPECT_EQ(shadowRoot.get(), shadowRoot->commonAncestorTreeScope(*shadowRoot));
}
TEST(TreeScopeTest, CommonAncestorOfInclusiveTrees)
{
// document
// | : Common ancestor is document.
// shadowRoot
RefPtrWillBeRawPtr<Document> document = Document::create();
RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRoot(ASSERT_NO_EXCEPTION);
EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*shadowRoot));
EXPECT_EQ(document.get(), shadowRoot->commonAncestorTreeScope(*document));
}
TEST(TreeScopeTest, CommonAncestorOfSiblingTrees)
{
// document
// / \ : Common ancestor is document.
// A B
RefPtrWillBeRawPtr<Document> document = Document::create();
RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(head);
RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(body);
RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = head->createShadowRoot(ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRoot(ASSERT_NO_EXCEPTION);
EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
}
TEST(TreeScopeTest, CommonAncestorOfTreesAtDifferentDepths)
{
// document
// / \ : Common ancestor is document.
// Y B
// /
// A
RefPtrWillBeRawPtr<Document> document = Document::create();
RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(head);
RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(body);
RefPtrWillBeRawPtr<ShadowRoot> shadowRootY = head->createShadowRoot(ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRoot(ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> divInY = document->createElement("div", nullAtom, ASSERT_NO_EXCEPTION);
shadowRootY->appendChild(divInY);
RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = divInY->createShadowRoot(ASSERT_NO_EXCEPTION);
EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
}
TEST(TreeScopeTest, CommonAncestorOfTreesInDifferentDocuments)
{
RefPtrWillBeRawPtr<Document> document1 = Document::create();
RefPtrWillBeRawPtr<Document> document2 = Document::create();
EXPECT_EQ(0, document1->commonAncestorTreeScope(*document2));
EXPECT_EQ(0, document2->commonAncestorTreeScope(*document1));
}
} // namespace
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