summaryrefslogtreecommitdiffstats
path: root/dom/base/test/gtest/TestPlainTextSerializer.cpp
blob: c293402096cfb8db2dfd9cbf20c7fff5d52198f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsServiceManagerUtils.h"
#include "nsStringGlue.h"
#include "nsIDocumentEncoder.h"
#include "nsCRT.h"
#include "nsIParserUtils.h"

void
ConvertBufToPlainText(nsString &aConBuf, int aFlag)
{
  nsCOMPtr<nsIParserUtils> utils = do_GetService(NS_PARSERUTILS_CONTRACTID);
  utils->ConvertToPlainText(aConBuf, aFlag, 72, aConBuf);
}

// Test for ASCII with format=flowed; delsp=yes
TEST(PlainTextSerializer, ASCIIWithFlowedDelSp)
{
  nsString test;
  nsString result;

  test.AssignLiteral("<html><body>"
                     "Firefox Firefox Firefox Firefox "
                     "Firefox Firefox Firefox Firefox "
                     "Firefox Firefox Firefox Firefox"
                     "</body></html>");

  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
                              nsIDocumentEncoder::OutputCRLineBreak |
                              nsIDocumentEncoder::OutputLFLineBreak |
                              nsIDocumentEncoder::OutputFormatFlowed |
                              nsIDocumentEncoder::OutputFormatDelSp);

  // create result case
  result.AssignLiteral("Firefox Firefox Firefox Firefox "
                       "Firefox Firefox Firefox Firefox "
                       "Firefox  \r\nFirefox Firefox Firefox\r\n");

  ASSERT_TRUE(test.Equals(result)) <<
    "Wrong HTML to ASCII text serialization with format=flowed; delsp=yes";
}

// Test for CJK with format=flowed; delsp=yes
TEST(PlainTextSerializer, CJKWithFlowedDelSp)
{
  nsString test;
  nsString result;

  test.AssignLiteral("<html><body>");
  for (uint32_t i = 0; i < 40; i++) {
    // Insert Kanji (U+5341)
    test.Append(0x5341);
  }
  test.AppendLiteral("</body></html>");

  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
                              nsIDocumentEncoder::OutputCRLineBreak |
                              nsIDocumentEncoder::OutputLFLineBreak |
                              nsIDocumentEncoder::OutputFormatFlowed |
                              nsIDocumentEncoder::OutputFormatDelSp);

  // create result case
  for (uint32_t i = 0; i < 36; i++) {
    result.Append(0x5341);
  }
  result.AppendLiteral(" \r\n");
  for (uint32_t i = 0; i < 4; i++) {
    result.Append(0x5341);
  }
  result.AppendLiteral("\r\n");

  ASSERT_TRUE(test.Equals(result)) <<
    "Wrong HTML to CJK text serialization with format=flowed; delsp=yes";
}

// Test for CJK with DisallowLineBreaking
TEST(PlainTextSerializer, CJKWithDisallowLineBreaking)
{
  nsString test;
  nsString result;

  test.AssignLiteral("<html><body>");
  for (uint32_t i = 0; i < 400; i++) {
    // Insert Kanji (U+5341)
    test.Append(0x5341);
  }
  test.AppendLiteral("</body></html>");

  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
                              nsIDocumentEncoder::OutputCRLineBreak |
                              nsIDocumentEncoder::OutputLFLineBreak |
                              nsIDocumentEncoder::OutputFormatFlowed |
                              nsIDocumentEncoder::OutputDisallowLineBreaking);

  // create result case
  for (uint32_t i = 0; i < 400; i++) {
    result.Append(0x5341);
  }
  result.AppendLiteral("\r\n");

  ASSERT_TRUE(test.Equals(result)) <<
    "Wrong HTML to CJK text serialization with OutputDisallowLineBreaking";
}

// Test for ASCII with format=flowed; and quoted lines in preformatted span.
TEST(PlainTextSerializer, PreformatFlowedQuotes)
{
  nsString test;
  nsString result;

  test.AssignLiteral("<html><body>"
                     "<span style=\"white-space: pre-wrap;\">"
                     "&gt; Firefox Firefox Firefox Firefox <br>"
                     "&gt; Firefox Firefox Firefox Firefox<br>"
                     "&gt;<br>"
                     "&gt;&gt; Firefox Firefox Firefox Firefox <br>"
                     "&gt;&gt; Firefox Firefox Firefox Firefox<br>"
                     "</span></body></html>");

  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputFormatted |
                              nsIDocumentEncoder::OutputCRLineBreak |
                              nsIDocumentEncoder::OutputLFLineBreak |
                              nsIDocumentEncoder::OutputFormatFlowed);

  // create result case
  result.AssignLiteral("> Firefox Firefox Firefox Firefox \r\n"
                       "> Firefox Firefox Firefox Firefox\r\n"
                       ">\r\n"
                       ">> Firefox Firefox Firefox Firefox \r\n"
                       ">> Firefox Firefox Firefox Firefox\r\n");

  ASSERT_TRUE(test.Equals(result)) <<
    "Wrong HTML to ASCII text serialization with format=flowed; and quoted "
    "lines";
}

TEST(PlainTextSerializer, PrettyPrintedHtml)
{
  nsString test;
  test.AppendLiteral(
    "<html>" NS_LINEBREAK
    "<body>" NS_LINEBREAK
    "  first<br>" NS_LINEBREAK
    "  second<br>" NS_LINEBREAK
    "</body>" NS_LINEBREAK "</html>");

  ConvertBufToPlainText(test, 0);
  ASSERT_TRUE(test.EqualsLiteral("first" NS_LINEBREAK "second" NS_LINEBREAK)) <<
    "Wrong prettyprinted html to text serialization";
}

TEST(PlainTextSerializer, PreElement)
{
  nsString test;
  test.AppendLiteral(
    "<html>" NS_LINEBREAK
    "<body>" NS_LINEBREAK
    "<pre>" NS_LINEBREAK
    "  first" NS_LINEBREAK
    "  second" NS_LINEBREAK
    "</pre>" NS_LINEBREAK
    "</body>" NS_LINEBREAK "</html>");

  ConvertBufToPlainText(test, 0);
  ASSERT_TRUE(test.EqualsLiteral("  first" NS_LINEBREAK
                                 "  second" NS_LINEBREAK NS_LINEBREAK)) <<
    "Wrong prettyprinted html to text serialization";
}

TEST(PlainTextSerializer, BlockElement)
{
  nsString test;
  test.AppendLiteral(
    "<html>" NS_LINEBREAK
    "<body>" NS_LINEBREAK
    "<div>" NS_LINEBREAK
    "  first" NS_LINEBREAK
    "</div>" NS_LINEBREAK
    "<div>" NS_LINEBREAK
    "  second" NS_LINEBREAK
    "</div>" NS_LINEBREAK
    "</body>" NS_LINEBREAK "</html>");

  ConvertBufToPlainText(test, 0);
  ASSERT_TRUE(test.EqualsLiteral("first" NS_LINEBREAK "second" NS_LINEBREAK)) <<
    "Wrong prettyprinted html to text serialization";
}

TEST(PlainTextSerializer, PreWrapElementForThunderbird)
{
  // This test examines the magic pre-wrap setup that Thunderbird relies on.
  nsString test;
  test.AppendLiteral(
    "<html>" NS_LINEBREAK
    "<body style=\"white-space: pre-wrap; width: 10ch;\">" NS_LINEBREAK
    "<pre>" NS_LINEBREAK
    "  first line is too long" NS_LINEBREAK
    "  second line is even loooonger  " NS_LINEBREAK
    "</pre>" NS_LINEBREAK
    "</body>" NS_LINEBREAK "</html>");

  ConvertBufToPlainText(test, nsIDocumentEncoder::OutputWrap);
  // "\n\n  first\nline is\ntoo long\n  second\nline is\neven\nloooonger\n\n\n"
  ASSERT_TRUE(test.EqualsLiteral(NS_LINEBREAK NS_LINEBREAK
                                 "  first" NS_LINEBREAK
                                 "line is" NS_LINEBREAK
                                 "too long" NS_LINEBREAK
                                 "  second" NS_LINEBREAK
                                 "line is" NS_LINEBREAK
                                 "even" NS_LINEBREAK
                                 "loooonger" NS_LINEBREAK
                                 NS_LINEBREAK NS_LINEBREAK)) <<
    "Wrong prettyprinted html to text serialization";
}

TEST(PlainTextSerializer, Simple)
{
  nsString test;
  test.AppendLiteral("<html><base>base</base><head><span>span</span></head>"
                     "<body>body</body></html>");
  ConvertBufToPlainText(test, 0);
  ASSERT_TRUE(test.EqualsLiteral("basespanbody")) <<
    "Wrong html to text serialization";
}