mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2025-06-05 21:39:12 +02:00
380 lines
13 KiB
C++
380 lines
13 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "include/cef_dom.h"
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#include "tests/ceftests/test_handler.h"
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#include "tests/gtest/include/gtest/gtest.h"
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#include "tests/shared/renderer/client_app_renderer.h"
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using client::ClientAppRenderer;
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namespace {
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const char* kTestUrl = "https://tests/DOMTest.Test";
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const char* kTestMessage = "DOMTest.Message";
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enum DOMTestType {
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DOM_TEST_STRUCTURE,
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DOM_TEST_MODIFY,
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};
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class TestDOMVisitor : public CefDOMVisitor {
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public:
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explicit TestDOMVisitor(CefRefPtr<CefBrowser> browser, DOMTestType test_type)
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: browser_(browser), test_type_(test_type) {}
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void TestHeadNodeStructure(CefRefPtr<CefDOMNode> headNode) {
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EXPECT_TRUE(headNode.get());
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EXPECT_TRUE(headNode->IsElement());
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EXPECT_FALSE(headNode->IsText());
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EXPECT_EQ(headNode->GetName(), "HEAD");
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EXPECT_EQ(headNode->GetElementTagName(), "HEAD");
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EXPECT_TRUE(headNode->HasChildren());
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EXPECT_FALSE(headNode->HasElementAttributes());
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CefRefPtr<CefDOMNode> titleNode = headNode->GetFirstChild();
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EXPECT_TRUE(titleNode.get());
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EXPECT_TRUE(titleNode->IsElement());
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EXPECT_FALSE(titleNode->IsText());
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EXPECT_EQ(titleNode->GetName(), "TITLE");
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EXPECT_EQ(titleNode->GetElementTagName(), "TITLE");
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EXPECT_TRUE(titleNode->GetParent()->IsSame(headNode));
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EXPECT_FALSE(titleNode->GetNextSibling().get());
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EXPECT_FALSE(titleNode->GetPreviousSibling().get());
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EXPECT_TRUE(titleNode->HasChildren());
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EXPECT_FALSE(titleNode->HasElementAttributes());
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CefRefPtr<CefDOMNode> textNode = titleNode->GetFirstChild();
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EXPECT_TRUE(textNode.get());
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EXPECT_FALSE(textNode->IsElement());
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EXPECT_TRUE(textNode->IsText());
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EXPECT_EQ(textNode->GetValue(), "The Title");
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EXPECT_TRUE(textNode->GetParent()->IsSame(titleNode));
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EXPECT_FALSE(textNode->GetNextSibling().get());
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EXPECT_FALSE(textNode->GetPreviousSibling().get());
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EXPECT_FALSE(textNode->HasChildren());
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}
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void TestBodyNodeStructure(CefRefPtr<CefDOMNode> bodyNode,
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float devicePixelRatio) {
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EXPECT_TRUE(bodyNode.get());
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EXPECT_TRUE(bodyNode->IsElement());
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EXPECT_FALSE(bodyNode->IsText());
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EXPECT_EQ(bodyNode->GetName(), "BODY");
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EXPECT_EQ(bodyNode->GetElementTagName(), "BODY");
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EXPECT_TRUE(bodyNode->HasChildren());
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EXPECT_FALSE(bodyNode->HasElementAttributes());
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CefRefPtr<CefDOMNode> h1Node = bodyNode->GetFirstChild();
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EXPECT_TRUE(h1Node.get());
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EXPECT_TRUE(h1Node->IsElement());
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EXPECT_FALSE(h1Node->IsText());
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EXPECT_EQ(h1Node->GetName(), "H1");
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EXPECT_EQ(h1Node->GetElementTagName(), "H1");
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EXPECT_TRUE(h1Node->GetNextSibling().get());
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EXPECT_FALSE(h1Node->GetPreviousSibling().get());
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EXPECT_TRUE(h1Node->HasChildren());
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EXPECT_FALSE(h1Node->HasElementAttributes());
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CefRefPtr<CefDOMNode> textNode = h1Node->GetFirstChild();
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EXPECT_TRUE(textNode.get());
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EXPECT_FALSE(textNode->IsElement());
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EXPECT_TRUE(textNode->IsText());
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EXPECT_EQ(textNode->GetValue(), "Hello From");
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EXPECT_FALSE(textNode->GetPreviousSibling().get());
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EXPECT_FALSE(textNode->HasChildren());
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CefRefPtr<CefDOMNode> brNode = textNode->GetNextSibling();
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EXPECT_TRUE(brNode.get());
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EXPECT_TRUE(brNode->IsElement());
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EXPECT_FALSE(brNode->IsText());
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EXPECT_EQ(brNode->GetName(), "BR");
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EXPECT_EQ(brNode->GetElementTagName(), "BR");
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EXPECT_FALSE(brNode->HasChildren());
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EXPECT_TRUE(brNode->HasElementAttributes());
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EXPECT_TRUE(brNode->HasElementAttribute("class"));
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EXPECT_EQ(brNode->GetElementAttribute("class"), "some_class");
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EXPECT_TRUE(brNode->HasElementAttribute("id"));
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EXPECT_EQ(brNode->GetElementAttribute("id"), "some_id");
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EXPECT_FALSE(brNode->HasElementAttribute("no_existing"));
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CefDOMNode::AttributeMap map;
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brNode->GetElementAttributes(map);
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ASSERT_EQ(map.size(), (size_t)2);
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EXPECT_EQ(map["class"], "some_class");
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EXPECT_EQ(map["id"], "some_id");
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// Can also retrieve by ID.
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brNode = bodyNode->GetDocument()->GetElementById("some_id");
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EXPECT_TRUE(brNode.get());
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EXPECT_TRUE(brNode->IsElement());
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EXPECT_FALSE(brNode->IsText());
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EXPECT_EQ(brNode->GetName(), "BR");
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EXPECT_EQ(brNode->GetElementTagName(), "BR");
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textNode = brNode->GetNextSibling();
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EXPECT_TRUE(textNode.get());
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EXPECT_FALSE(textNode->IsElement());
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EXPECT_TRUE(textNode->IsText());
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EXPECT_EQ(textNode->GetValue(), "Main Frame");
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EXPECT_FALSE(textNode->GetNextSibling().get());
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EXPECT_FALSE(textNode->HasChildren());
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CefRefPtr<CefDOMNode> divNode = h1Node->GetNextSibling();
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EXPECT_TRUE(divNode.get());
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EXPECT_TRUE(divNode->IsElement());
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EXPECT_FALSE(divNode->IsText());
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// Returned bounds are in device pixels.
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CefRect divRect = divNode->GetElementBounds();
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EXPECT_NEAR(divRect.width, 50.0 * devicePixelRatio, 1);
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EXPECT_NEAR(divRect.height, 25.0 * devicePixelRatio, 1);
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EXPECT_NEAR(divRect.x, 150.0 * devicePixelRatio, 1);
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EXPECT_NEAR(divRect.y, 100.0 * devicePixelRatio, 1);
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EXPECT_FALSE(divNode->GetNextSibling().get());
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}
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// Test document structure by iterating through the DOM tree.
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void TestStructure(CefRefPtr<CefDOMDocument> document) {
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EXPECT_EQ(document->GetTitle(), "The Title");
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EXPECT_EQ(document->GetBaseURL(), kTestUrl);
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EXPECT_EQ(document->GetCompleteURL("foo.html"), "https://tests/foo.html");
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// Navigate the complete document structure.
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CefRefPtr<CefDOMNode> docNode = document->GetDocument();
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EXPECT_TRUE(docNode.get());
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EXPECT_FALSE(docNode->IsElement());
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EXPECT_FALSE(docNode->IsText());
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CefRefPtr<CefDOMNode> htmlNode = docNode->GetFirstChild();
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EXPECT_TRUE(htmlNode.get());
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EXPECT_TRUE(htmlNode->IsElement());
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EXPECT_FALSE(htmlNode->IsText());
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EXPECT_EQ(htmlNode->GetName(), "HTML");
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EXPECT_EQ(htmlNode->GetElementTagName(), "HTML");
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EXPECT_TRUE(htmlNode->HasChildren());
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EXPECT_FALSE(htmlNode->HasElementAttributes());
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CefRefPtr<CefDOMNode> headNode = htmlNode->GetFirstChild();
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TestHeadNodeStructure(headNode);
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const float devicePixelRatio = GetDevicePixelRatio();
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CefRefPtr<CefDOMNode> bodyNode = headNode->GetNextSibling();
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TestBodyNodeStructure(bodyNode, devicePixelRatio);
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// Retrieve the head node directly.
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headNode = document->GetHead();
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TestHeadNodeStructure(headNode);
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// Retrieve the body node directly.
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bodyNode = document->GetBody();
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TestBodyNodeStructure(bodyNode, devicePixelRatio);
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}
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// Test document modification by changing the H1 tag.
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void TestModify(CefRefPtr<CefDOMDocument> document) {
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CefRefPtr<CefDOMNode> bodyNode = document->GetBody();
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CefRefPtr<CefDOMNode> h1Node = bodyNode->GetFirstChild();
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ASSERT_EQ(h1Node->GetAsMarkup(),
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"<h1>Hello From<br class=\"some_class\" id=\"some_id\">"
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"Main Frame</h1>");
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CefRefPtr<CefDOMNode> textNode = h1Node->GetFirstChild();
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ASSERT_EQ(textNode->GetValue(), "Hello From");
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ASSERT_TRUE(textNode->SetValue("A Different Message From"));
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ASSERT_EQ(textNode->GetValue(), "A Different Message From");
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CefRefPtr<CefDOMNode> brNode = textNode->GetNextSibling();
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EXPECT_EQ(brNode->GetElementAttribute("class"), "some_class");
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EXPECT_TRUE(brNode->SetElementAttribute("class", "a_different_class"));
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EXPECT_EQ(brNode->GetElementAttribute("class"), "a_different_class");
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ASSERT_EQ(h1Node->GetAsMarkup(),
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"<h1>A Different Message From<br class=\"a_different_class\" "
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"id=\"some_id\">Main Frame</h1>");
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ASSERT_FALSE(h1Node->SetValue("Something Different"));
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}
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void Visit(CefRefPtr<CefDOMDocument> document) override {
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if (test_type_ == DOM_TEST_STRUCTURE) {
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TestStructure(document);
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} else if (test_type_ == DOM_TEST_MODIFY) {
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TestModify(document);
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}
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DestroyTest();
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}
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protected:
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// Return from the test.
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void DestroyTest() {
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// Check if the test has failed.
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bool result = !TestFailed();
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// Return the result to the browser process.
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CefRefPtr<CefProcessMessage> return_msg =
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CefProcessMessage::Create(kTestMessage);
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EXPECT_TRUE(return_msg->GetArgumentList()->SetBool(0, result));
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browser_->GetMainFrame()->SendProcessMessage(PID_BROWSER, return_msg);
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}
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// Used to convert between device pixels and CSS pixels.
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float GetDevicePixelRatio() {
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auto context = browser_->GetMainFrame()->GetV8Context();
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EXPECT_TRUE(context);
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CefRefPtr<CefV8Value> retval;
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CefRefPtr<CefV8Exception> exception;
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EXPECT_TRUE(context->Eval("window.devicePixelRatio", CefString(), 0, retval,
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exception));
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if (exception) {
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ADD_FAILURE() << exception->GetMessage().c_str();
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return 1.0;
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}
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if (retval->IsValid() && retval->IsDouble()) {
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return static_cast<float>(retval->GetDoubleValue());
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}
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ADD_FAILURE() << "Failed to retrieve devicePixelRatio";
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return 1.0;
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}
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CefRefPtr<CefBrowser> browser_;
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DOMTestType test_type_;
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IMPLEMENT_REFCOUNTING(TestDOMVisitor);
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};
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// Used in the render process.
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class DOMRendererTest : public ClientAppRenderer::Delegate {
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public:
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DOMRendererTest() = default;
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bool OnProcessMessageReceived(CefRefPtr<ClientAppRenderer> app,
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefProcessId source_process,
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CefRefPtr<CefProcessMessage> message) override {
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if (message->GetName() == kTestMessage) {
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EXPECT_EQ(message->GetArgumentList()->GetSize(), (size_t)1);
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int test_type = message->GetArgumentList()->GetInt(0);
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browser->GetMainFrame()->VisitDOM(
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new TestDOMVisitor(browser, static_cast<DOMTestType>(test_type)));
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return true;
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}
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return false;
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}
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private:
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IMPLEMENT_REFCOUNTING(DOMRendererTest);
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};
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// Used in the browser process.
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class TestDOMHandler : public TestHandler {
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public:
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explicit TestDOMHandler(DOMTestType test) : test_type_(test) {}
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void RunTest() override {
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// Specified values are in CSS pixels.
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std::stringstream mainHtml;
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mainHtml << "<html>"
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"<head><title>The Title</title></head>"
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"<body>"
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"<h1>Hello From<br class=\"some_class\"/ id=\"some_id\"/>"
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"Main Frame</h1>"
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"<div id=\"sized_element\" style=\"width: 50px; height: 25px; "
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"position: fixed; top: 100px; left: 150px;\"/>"
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"</body>"
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"</html>";
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AddResource(kTestUrl, mainHtml.str(), "text/html");
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CreateBrowser(kTestUrl);
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// Time out the test after a reasonable period of time.
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SetTestTimeout();
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}
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void OnLoadEnd(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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int httpStatusCode) override {
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if (frame->IsMain()) {
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// Start the test in the render process.
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CefRefPtr<CefProcessMessage> message(
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CefProcessMessage::Create(kTestMessage));
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message->GetArgumentList()->SetInt(0, test_type_);
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frame->SendProcessMessage(PID_RENDERER, message);
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}
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}
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bool OnProcessMessageReceived(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefProcessId source_process,
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CefRefPtr<CefProcessMessage> message) override {
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EXPECT_STREQ(message->GetName().ToString().c_str(), kTestMessage);
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got_message_.yes();
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if (message->GetArgumentList()->GetBool(0)) {
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got_success_.yes();
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}
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// Test is complete.
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DestroyTest();
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return true;
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}
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DOMTestType test_type_;
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TrackCallback got_message_;
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TrackCallback got_success_;
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IMPLEMENT_REFCOUNTING(TestDOMHandler);
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};
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} // namespace
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// Test DOM structure reading.
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TEST(DOMTest, Read) {
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CefRefPtr<TestDOMHandler> handler = new TestDOMHandler(DOM_TEST_STRUCTURE);
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handler->ExecuteTest();
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EXPECT_TRUE(handler->got_message_);
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EXPECT_TRUE(handler->got_success_);
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ReleaseAndWaitForDestructor(handler);
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}
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// Test DOM modifications.
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TEST(DOMTest, Modify) {
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CefRefPtr<TestDOMHandler> handler = new TestDOMHandler(DOM_TEST_MODIFY);
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handler->ExecuteTest();
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EXPECT_TRUE(handler->got_message_);
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EXPECT_TRUE(handler->got_success_);
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ReleaseAndWaitForDestructor(handler);
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}
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// Entry point for creating DOM renderer test objects.
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// Called from client_app_delegates.cc.
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void CreateDOMRendererTests(ClientAppRenderer::DelegateSet& delegates) {
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delegates.insert(new DOMRendererTest);
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}
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