Upgrade in-document custom elements when an element is defined.

third_party/WebKit/Source/core/dom/custom/CustomElementDescriptorTest.cpp

 // Copyright 2016 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 "core/dom/custom/CustomElementDescriptor.h"
 
 #include "core/dom/custom/CustomElementDescriptorHash.h"
+#include "core/dom/custom/CustomElementTestHelpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/HashSet.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
+class Element;
+
 TEST(CustomElementDescriptorTest, equal)
 {
     CustomElementDescriptor myTypeExtension("my-button", "button");
     CustomElementDescriptor again("my-button", "button");
     EXPECT_TRUE(myTypeExtension == again)
         << "two descriptors with the same name and local name should be equal";
 }
 
 TEST(CustomElementDescriptorTest, notEqual)
 {
     CustomElementDescriptor myTypeExtension("my-button", "button");
     CustomElementDescriptor collidingNewType("my-button", "my-button");
     EXPECT_FALSE(myTypeExtension == collidingNewType)
         << "type extension should not be equal to a non-type extension";
 }
 
 TEST(CustomElementDescriptorTest, hashable)
 {
     HashSet<CustomElementDescriptor> descriptors;
     descriptors.add(CustomElementDescriptor("foo-bar", "foo-bar"));
     EXPECT_TRUE(
         descriptors.contains(CustomElementDescriptor("foo-bar", "foo-bar")))
         << "the identical descriptor should be found in the hash set";
     EXPECT_FALSE(descriptors.contains(CustomElementDescriptor(
         "bad-poetry",
         "blockquote")))
         << "an unrelated descriptor should not be found in the hash set";
 }
 
+TEST(CustomElementDescriptorTest, matches_autonomous)
+{
+    CustomElementDescriptor descriptor("a-b", "a-b");
+    Element* element = CreateElement("a-b");
+    EXPECT_TRUE(descriptor.matches(*element));
+}
+
+TEST(CustomElementDescriptorTest,
+    matches_autonomous_shouldNotMatchCustomizedBuiltInElement)
+{
+    CustomElementDescriptor descriptor("a-b", "a-b");
+    Element* element = CreateElement("futuretag").withIsAttribute("a-b");
+    EXPECT_FALSE(descriptor.matches(*element));
+}
+
+TEST(CustomElementDescriptorTest, matches_customizedBuiltIn)
+{
+    CustomElementDescriptor descriptor("a-b", "button");
+    Element* element = CreateElement("button").withIsAttribute("a-b");
+    EXPECT_TRUE(descriptor.matches(*element));
+}
+
+TEST(CustomElementDescriptorTest,
+    matches_customizedBuiltIn_shouldNotMatchAutonomousElement)
+{
+    CustomElementDescriptor descriptor("a-b", "button");
+    Element* element = CreateElement("a-b");
+    EXPECT_FALSE(descriptor.matches(*element));
+}
+
+TEST(CustomElementDescriptorTest, matches_elementNotInHTMLNamespaceDoesNotMatch)
+{
+    CustomElementDescriptor descriptor("a-b", "a-b");
+    Element* element = CreateElement("a-b").inNamespace("data:text/plain,foo");
+    EXPECT_FALSE(descriptor.matches(*element));
+}
+
 } // namespace blink