gecko-dev/dom/base/test/gtest/TestParser.cpp

53 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "mozilla/dom/DOMParser.h"
#include "mozilla/dom/Document.h"
#include "nsIDocumentEncoder.h"
#include "mozilla/ErrorResult.h"
// This is a test for mozilla::dom::DOMParser::CreateWithoutGlobal() which was
// implemented for use in Thunderbird's MailNews module.
// int main(int argc, char** argv)
TEST(TestParser, TestParserMain)
{
bool allTestsPassed = false;
constexpr auto htmlInput =
u"<html><head>"
"<meta http-equiv=\"content-type\" content=\"text/html; charset=\">"
"</head><body>Hello <b>Thunderbird!</b></body></html>"_ns;
do {
// Parse the HTML source.
mozilla::IgnoredErrorResult rv2;
RefPtr<mozilla::dom::DOMParser> parser =
mozilla::dom::DOMParser::CreateWithoutGlobal(rv2);
if (rv2.Failed()) break;
nsCOMPtr<mozilla::dom::Document> document = parser->ParseFromString(
htmlInput, mozilla::dom::SupportedType::Text_html, rv2);
if (rv2.Failed()) break;
// Serialize it back to HTML source again.
nsCOMPtr<nsIDocumentEncoder> encoder =
do_createDocumentEncoder("text/html");
if (!encoder) break;
nsresult rv =
encoder->Init(document, u"text/html"_ns, nsIDocumentEncoder::OutputRaw);
if (NS_FAILED(rv)) break;
nsString parsed;
rv = encoder->EncodeToString(parsed);
if (NS_FAILED(rv)) break;
EXPECT_TRUE(parsed.Equals(htmlInput));
allTestsPassed = true;
} while (false);
EXPECT_TRUE(allTestsPassed);
}