src/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 using namespace blink;
  14
  15 namespace {
  16
  17 TEST(TreeScopeTest, CommonAncestorOfSameTrees)
  18 {
  19     RefPtrWillBeRawPtr<Document> document = Document::create();
  20     EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*document));
  21
  22     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  23     document->appendChild(html, ASSERT_NO_EXCEPTION);
  24     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRoot(ASSERT_NO_EXCEPTION);
  25     EXPECT_EQ(shadowRoot.get(), shadowRoot->commonAncestorTreeScope(*shadowRoot));
  26 }
  27
  28 TEST(TreeScopeTest, CommonAncestorOfInclusiveTrees)
  29 {
  30     //  document
  31     //     |      : Common ancestor is document.
  32     // shadowRoot
  33
  34     RefPtrWillBeRawPtr<Document> document = Document::create();
  35     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  36     document->appendChild(html, ASSERT_NO_EXCEPTION);
  37     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = html->createShadowRoot(ASSERT_NO_EXCEPTION);
  38
  39     EXPECT_EQ(document.get(), document->commonAncestorTreeScope(*shadowRoot));
  40     EXPECT_EQ(document.get(), shadowRoot->commonAncestorTreeScope(*document));
  41 }
  42
  43 TEST(TreeScopeTest, CommonAncestorOfSiblingTrees)
  44 {
  45     //  document
  46     //   /    \  : Common ancestor is document.
  47     //  A      B
  48
  49     RefPtrWillBeRawPtr<Document> document = Document::create();
  50     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  51     document->appendChild(html, ASSERT_NO_EXCEPTION);
  52     RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
  53     html->appendChild(head);
  54     RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
  55     html->appendChild(body);
  56
  57     RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = head->createShadowRoot(ASSERT_NO_EXCEPTION);
  58     RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRoot(ASSERT_NO_EXCEPTION);
  59
  60     EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
  61     EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
  62 }
  63
  64 TEST(TreeScopeTest, CommonAncestorOfTreesAtDifferentDepths)
  65 {
  66     //  document
  67     //    / \    : Common ancestor is document.
  68     //   Y   B
  69     //  /
  70     // A
  71
  72     RefPtrWillBeRawPtr<Document> document = Document::create();
  73     RefPtrWillBeRawPtr<Element> html = document->createElement("html", nullAtom, ASSERT_NO_EXCEPTION);
  74     document->appendChild(html, ASSERT_NO_EXCEPTION);
  75     RefPtrWillBeRawPtr<Element> head = document->createElement("head", nullAtom, ASSERT_NO_EXCEPTION);
  76     html->appendChild(head);
  77     RefPtrWillBeRawPtr<Element> body = document->createElement("body", nullAtom, ASSERT_NO_EXCEPTION);
  78     html->appendChild(body);
  79
  80     RefPtrWillBeRawPtr<ShadowRoot> shadowRootY = head->createShadowRoot(ASSERT_NO_EXCEPTION);
  81     RefPtrWillBeRawPtr<ShadowRoot> shadowRootB = body->createShadowRoot(ASSERT_NO_EXCEPTION);
  82
  83     RefPtrWillBeRawPtr<Element> divInY = document->createElement("div", nullAtom, ASSERT_NO_EXCEPTION);
  84     shadowRootY->appendChild(divInY);
  85     RefPtrWillBeRawPtr<ShadowRoot> shadowRootA = divInY->createShadowRoot(ASSERT_NO_EXCEPTION);
  86
  87     EXPECT_EQ(document.get(), shadowRootA->commonAncestorTreeScope(*shadowRootB));
  88     EXPECT_EQ(document.get(), shadowRootB->commonAncestorTreeScope(*shadowRootA));
  89 }
  90
  91 TEST(TreeScopeTest, CommonAncestorOfTreesInDifferentDocuments)
  92 {
  93     RefPtrWillBeRawPtr<Document> document1 = Document::create();
  94     RefPtrWillBeRawPtr<Document> document2 = Document::create();
  95     EXPECT_EQ(0, document1->commonAncestorTreeScope(*document2));
  96     EXPECT_EQ(0, document2->commonAncestorTreeScope(*document1));
  97 }
  98
  99 } // namespace