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Blame dom/base/test/gtest/TestPlainTextSerializer.cpp

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  1.   582165fddb9eff40d137c13e70118b1b7968445f
  2.   dom
  3.   base
  4.   test
  5.   gtest
  6.   TestPlainTextSerializer.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gtest/gtest.h"
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#include "nsServiceManagerUtils.h"
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#include "nsString.h"
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#include "nsIDocumentEncoder.h"
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#include "nsCRT.h"
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#include "nsIParserUtils.h"
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void
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ConvertBufToPlainText(nsString &aConBuf, int aFlag)
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{
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  nsCOMPtr<nsIParserUtils> utils = do_GetService(NS_PARSERUTILS_CONTRACTID);
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  utils->ConvertToPlainText(aConBuf, aFlag, 72, aConBuf);
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}
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// Test for ASCII with format=flowed; delsp=yes
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TEST(PlainTextSerializer, ASCIIWithFlowedDelSp)
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{
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  nsString test;
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  nsString result;
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  test.AssignLiteral("<html><body>"
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                     "Firefox Firefox Firefox Firefox "
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                     "Firefox Firefox Firefox Firefox "
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                     "Firefox Firefox Firefox Firefox"
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                     "</body></html>");
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  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
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                              nsIDocumentEncoder::OutputCRLineBreak |
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                              nsIDocumentEncoder::OutputLFLineBreak |
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                              nsIDocumentEncoder::OutputFormatFlowed |
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                              nsIDocumentEncoder::OutputFormatDelSp);
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  // create result case
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  result.AssignLiteral("Firefox Firefox Firefox Firefox "
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                       "Firefox Firefox Firefox Firefox "
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                       "Firefox  \r\nFirefox Firefox Firefox\r\n");
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  ASSERT_TRUE(test.Equals(result)) <<
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    "Wrong HTML to ASCII text serialization with format=flowed; delsp=yes";
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}
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// Test for CJK with format=flowed; delsp=yes
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TEST(PlainTextSerializer, CJKWithFlowedDelSp)
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{
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  nsString test;
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  nsString result;
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  test.AssignLiteral("<html><body>");
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  for (uint32_t i = 0; i < 40; i++) {
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    // Insert Kanji (U+5341)
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    test.Append(0x5341);
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  }
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  test.AppendLiteral("</body></html>");
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  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
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                              nsIDocumentEncoder::OutputCRLineBreak |
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                              nsIDocumentEncoder::OutputLFLineBreak |
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                              nsIDocumentEncoder::OutputFormatFlowed |
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                              nsIDocumentEncoder::OutputFormatDelSp);
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  // create result case
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  for (uint32_t i = 0; i < 36; i++) {
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    result.Append(0x5341);
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  }
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  result.AppendLiteral(" \r\n");
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  for (uint32_t i = 0; i < 4; i++) {
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    result.Append(0x5341);
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  }
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  result.AppendLiteral("\r\n");
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  ASSERT_TRUE(test.Equals(result)) <<
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    "Wrong HTML to CJK text serialization with format=flowed; delsp=yes";
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}
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// Test for CJK with DisallowLineBreaking
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TEST(PlainTextSerializer, CJKWithDisallowLineBreaking)
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{
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  nsString test;
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  nsString result;
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  test.AssignLiteral("<html><body>");
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  for (uint32_t i = 0; i < 400; i++) {
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    // Insert Kanji (U+5341)
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    test.Append(0x5341);
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  }
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  test.AppendLiteral("</body></html>");
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  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
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                              nsIDocumentEncoder::OutputCRLineBreak |
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                              nsIDocumentEncoder::OutputLFLineBreak |
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                              nsIDocumentEncoder::OutputFormatFlowed |
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                              nsIDocumentEncoder::OutputDisallowLineBreaking);
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  // create result case
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  for (uint32_t i = 0; i < 400; i++) {
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    result.Append(0x5341);
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  }
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  result.AppendLiteral("\r\n");
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  ASSERT_TRUE(test.Equals(result)) <<
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    "Wrong HTML to CJK text serialization with OutputDisallowLineBreaking";
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}
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// Test for ASCII with format=flowed; and quoted lines in preformatted span.
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TEST(PlainTextSerializer, PreformatFlowedQuotes)
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{
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  nsString test;
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  nsString result;
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  test.AssignLiteral("<html><body>"
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                     ""
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                     "> Firefox Firefox Firefox Firefox 
"
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                     "> Firefox Firefox Firefox Firefox
"
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                     ">
"
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                     ">> Firefox Firefox Firefox Firefox 
"
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                     ">> Firefox Firefox Firefox Firefox
"
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                     "</body></html>");
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  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
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                              nsIDocumentEncoder::OutputCRLineBreak |
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                              nsIDocumentEncoder::OutputLFLineBreak |
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                              nsIDocumentEncoder::OutputFormatFlowed);
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  // create result case
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  result.AssignLiteral("> Firefox Firefox Firefox Firefox \r\n"
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                       "> Firefox Firefox Firefox Firefox\r\n"
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                       ">\r\n"
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                       ">> Firefox Firefox Firefox Firefox \r\n"
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                       ">> Firefox Firefox Firefox Firefox\r\n");
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  ASSERT_TRUE(test.Equals(result)) <<
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    "Wrong HTML to ASCII text serialization with format=flowed; and quoted "
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    "lines";
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}
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TEST(PlainTextSerializer, PrettyPrintedHtml)
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{
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  nsString test;
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  test.AppendLiteral(
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    "<html>" NS_LINEBREAK
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    "<body>" NS_LINEBREAK
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    "  first
" NS_LINEBREAK
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    "  second
" NS_LINEBREAK
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    "</body>" NS_LINEBREAK "</html>");
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  ConvertBufToPlainText(test, 0);
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  ASSERT_TRUE(test.EqualsLiteral("first" NS_LINEBREAK "second" NS_LINEBREAK)) <<
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    "Wrong prettyprinted html to text serialization";
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}
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TEST(PlainTextSerializer, PreElement)
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{
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  nsString test;
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  test.AppendLiteral(
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    "<html>" NS_LINEBREAK
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    "<body>" NS_LINEBREAK
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    "
" NS_LINEBREAK
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    "  first" NS_LINEBREAK
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    "  second" NS_LINEBREAK
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    "" NS_LINEBREAK
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    "</body>" NS_LINEBREAK "</html>");
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  ConvertBufToPlainText(test, 0);
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  ASSERT_TRUE(test.EqualsLiteral("  first" NS_LINEBREAK
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                                 "  second" NS_LINEBREAK NS_LINEBREAK)) <<
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    "Wrong prettyprinted html to text serialization";
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}
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TEST(PlainTextSerializer, BlockElement)
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{
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  nsString test;
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  test.AppendLiteral(
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    "<html>" NS_LINEBREAK
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    "<body>" NS_LINEBREAK
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    "
" NS_LINEBREAK
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    "  first" NS_LINEBREAK
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    "" NS_LINEBREAK
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    "
" NS_LINEBREAK
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    "  second" NS_LINEBREAK
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    "" NS_LINEBREAK
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    "</body>" NS_LINEBREAK "</html>");
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  ConvertBufToPlainText(test, 0);
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  ASSERT_TRUE(test.EqualsLiteral("first" NS_LINEBREAK "second" NS_LINEBREAK)) <<
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    "Wrong prettyprinted html to text serialization";
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}
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TEST(PlainTextSerializer, PreWrapElementForThunderbird)
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{
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  // This test examines the magic pre-wrap setup that Thunderbird relies on.
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  nsString test;
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  test.AppendLiteral(
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    "<html>" NS_LINEBREAK
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    "<body style=\"white-space: pre-wrap; width: 10ch;\">" NS_LINEBREAK
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    "
" NS_LINEBREAK
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    "  first line is too long" NS_LINEBREAK
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    "  second line is even loooonger  " NS_LINEBREAK
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    "" NS_LINEBREAK
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    "</body>" NS_LINEBREAK "</html>");
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  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputWrap);
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  // "\n\n  first\nline is\ntoo long\n  second\nline is\neven\nloooonger\n\n\n"
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  ASSERT_TRUE(test.EqualsLiteral(NS_LINEBREAK NS_LINEBREAK
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                                 "  first" NS_LINEBREAK
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                                 "line is" NS_LINEBREAK
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                                 "too long" NS_LINEBREAK
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                                 "  second" NS_LINEBREAK
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                                 "line is" NS_LINEBREAK
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                                 "even" NS_LINEBREAK
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                                 "loooonger" NS_LINEBREAK
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                                 NS_LINEBREAK NS_LINEBREAK)) <<
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    "Wrong prettyprinted html to text serialization";
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}
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TEST(PlainTextSerializer, Simple)
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{
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  nsString test;
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  test.AppendLiteral("<html><base>base</base><head>span</head>"
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                     "<body>body</body></html>");
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  ConvertBufToPlainText(test, 0);
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  ASSERT_TRUE(test.EqualsLiteral("basespanbody")) <<
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    "Wrong html to text serialization";
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}
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