TEST(TreeScopeTest, CommonAncestorOfTreesAtDifferentDepths) {
// document
// / \ : Common ancestor is document.
// Y B
// /
// A
Document* document = Document::create();
Element* html = document->createElement("html", StringOrDictionary());
document->appendChild(html);
Element* head = document->createElement("head", StringOrDictionary());
html->appendChild(head);
Element* body = document->createElement("body", StringOrDictionary());
html->appendChild(body);
ShadowRoot* shadowRootY =
head->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
ShadowRoot* shadowRootB =
body->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
Element* divInY = document->createElement("div", StringOrDictionary());
shadowRootY->appendChild(divInY);
ShadowRoot* shadowRootA =
divInY->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
EXPECT_EQ(document, shadowRootA->commonAncestorTreeScope(*shadowRootB));
EXPECT_EQ(document, shadowRootB->commonAncestorTreeScope(*shadowRootA));
}
TEST(TreeScopeTest, CommonAncestorOfSameTrees) {
Document* document = Document::create();
EXPECT_EQ(document, document->commonAncestorTreeScope(*document));
Element* html = document->createElement("html", StringOrDictionary());
document->appendChild(html);
ShadowRoot* shadowRoot =
html->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
EXPECT_EQ(shadowRoot, shadowRoot->commonAncestorTreeScope(*shadowRoot));
}
TEST(TreeScopeTest, CommonAncestorOfSiblingTrees)
{
// document
// / \ : Common ancestor is document.
// A B
Document* document = Document::create();
Element* html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
Element* head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(head);
Element* body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
html->appendChild(body);
ShadowRoot* shadowRootA = head->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
ShadowRoot* shadowRootB = body->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
EXPECT_EQ(document, shadowRootA->commonAncestorTreeScope(*shadowRootB));
EXPECT_EQ(document, shadowRootB->commonAncestorTreeScope(*shadowRootA));
}
TEST(TreeScopeTest, CommonAncestorOfInclusiveTrees)
{
// document
// | : Common ancestor is document.
// shadowRoot
Document* document = Document::create();
Element* html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
document->appendChild(html, ASSERT_NO_EXCEPTION);
ShadowRoot* shadowRoot = html->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
EXPECT_EQ(document, document->commonAncestorTreeScope(*shadowRoot));
EXPECT_EQ(document, shadowRoot->commonAncestorTreeScope(*document));
}