third_party/WebKit/Source/core/dom/TreeScopeTest.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/dom/TreeScope.h"
   7
   8 #include "core/dom/Document.h"
   9 #include "core/dom/Element.h"
  10 #include "core/dom/shadow/ShadowRoot.h"
  11 #include <gtest/gtest.h>
  12
  13 namespace blink {
  14
  15 TEST(TreeScopeTest, CommonAncestorOfSameTrees)
  16 {
  17     RefPtrWillBeRawPtr<Document> document = Document::create();
  18     EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*document));
  19
  20     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  21     document->appendChild(html, ASSERT_NO_EXCEPTION);
  22     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  23     EXPECT_EQ(shadowRoot.get(), shadowRoot->commonAncestorTreeScope(*shadowRoot));
  24 }
  25
  26 TEST(TreeScopeTest, CommonAncestorOfInclusiveTrees)
  27 {
  28     //  document
  29     //     |      : Common ancestor is document.
  30     // shadowRoot
  31
  32     RefPtrWillBeRawPtr<Document> document = Document::create();
  33     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  34     document->appendChild(html, ASSERT_NO_EXCEPTION);
  35     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  36
  37     EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*shadowRoot));
  38     EXPECT_EQ(document.get(), shadowRoot->commonAncestorTreeScope(*document));
  39 }
  40
  41 TEST(TreeScopeTest, CommonAncestorOfSiblingTrees)
  42 {
  43     //  document
  44     //   /    \  : Common ancestor is document.
  45     //  A      B
  46
  47     RefPtrWillBeRawPtr<Document> document = Document::create();
  48     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  49     document->appendChild(html, ASSERT_NO_EXCEPTION);
  50     RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
  51     html->appendChild(head);
  52     RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
  53     html->appendChild(body);
  54
  55     RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = head->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  56     RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  57
  58     EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
  59     EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
  60 }
  61
  62 TEST(TreeScopeTest, CommonAncestorOfTreesAtDifferentDepths)
  63 {
  64     //  document
  65     //    / \    : Common ancestor is document.
  66     //   Y   B
  67     //  /
  68     // A
  69
  70     RefPtrWillBeRawPtr<Document> document = Document::create();
  71     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  72     document->appendChild(html, ASSERT_NO_EXCEPTION);
  73     RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
  74     html->appendChild(head);
  75     RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
  76     html->appendChild(body);
  77
  78     RefPtrWillBeRawPtr<ShadowRoot> shadowRootY = head->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  79     RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  80
  81     RefPtrWillBeRawPtr<Element> divInY = document->createElement("div", nullAtom, ASSERT_NO_EXCEPTION);
  82     shadowRootY->appendChild(divInY);
  83     RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = divInY->createShadowRootInternal(ShadowRootType::OpenByDefault, ASSERT_NO_EXCEPTION);
  84
  85     EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
  86     EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
  87 }
  88
  89 TEST(TreeScopeTest, CommonAncestorOfTreesInDifferentDocuments)
  90 {
  91     RefPtrWillBeRawPtr<Document> document1 = Document::create();
  92     RefPtrWillBeRawPtr<Document> document2 = Document::create();
  93     EXPECT_EQ(0, document1->commonAncestorTreeScope(*document2));
  94     EXPECT_EQ(0, document2->commonAncestorTreeScope(*document1));
  95 }
  96
  97 } // namespace blink