Move grit from DEPS into src.

tools/grit/grit/gather/tr_html_unittest.py

+#!/usr/bin/env python
+# Copyright (c) 2012 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.
+
+'''Unit tests for grit.gather.tr_html'''
+
+
+import os
+import sys
+if __name__ == '__main__':
+  sys.path.append(os.path.join(os.path.dirname(__file__), '../..'))
+
+import types
+import unittest
+import StringIO
+
+from grit.gather import tr_html
+from grit import clique
+from grit import util
+
+
+class ParserUnittest(unittest.TestCase):
+  def testChunkingWithoutFoldWhitespace(self):
+    self.VerifyChunking(False)
+
+  def testChunkingWithFoldWhitespace(self):
+    self.VerifyChunking(True)
+
+  def VerifyChunking(self, fold_whitespace):
+    """Use a single function to run all chunking testing.
+
+    This makes it easier to run chunking with fold_whitespace both on and off,
+    to make sure the outputs are the same.
+
+    Args:
+      fold_whitespace: Whether whitespace sequences should be folded into a
+        single space.
+    """
+    self.VerifyChunkingBasic(fold_whitespace)
+    self.VerifyChunkingDescriptions(fold_whitespace)
+    self.VerifyChunkingReplaceables(fold_whitespace)
+    self.VerifyChunkingLineBreaks(fold_whitespace)
+    self.VerifyChunkingMessageBreak(fold_whitespace)
+    self.VerifyChunkingMessageNoBreak(fold_whitespace)
+
+  def VerifyChunkingBasic(self, fold_whitespace):
+    p = tr_html.HtmlChunks()
+    chunks = p.Parse('<p>Hello <b>dear</b> how <i>are</i>you?<p>Fine!',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (False, '<p>', ''), (True, 'Hello <b>dear</b> how <i>are</i>you?', ''),
+      (False, '<p>', ''), (True, 'Fine!', '')])
+
+    chunks = p.Parse('<p> Hello <b>dear</b> how <i>are</i>you? <p>Fine!',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (False, '<p> ', ''), (True, 'Hello <b>dear</b> how <i>are</i>you?', ''),
+      (False, ' <p>', ''), (True, 'Fine!', '')])
+
+    chunks = p.Parse('<p> Hello <b>dear how <i>are you? <p> Fine!',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (False, '<p> ', ''), (True, 'Hello <b>dear how <i>are you?', ''),
+      (False, ' <p> ', ''), (True, 'Fine!', '')])
+
+    # Ensure translateable sections that start with inline tags contain
+    # the starting inline tag.
+    chunks = p.Parse('<b>Hello!</b> how are you?<p><i>I am fine.</i>',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<b>Hello!</b> how are you?', ''), (False, '<p>', ''),
+      (True, '<i>I am fine.</i>', '')])
+
+    # Ensure translateable sections that end with inline tags contain
+    # the ending inline tag.
+    chunks = p.Parse("Hello! How are <b>you?</b><p><i>I'm fine!</i>",
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, 'Hello! How are <b>you?</b>', ''), (False, '<p>', ''),
+      (True, "<i>I'm fine!</i>", '')])
+
+  def VerifyChunkingDescriptions(self, fold_whitespace):
+    p = tr_html.HtmlChunks()
+    # Check capitals and explicit descriptions
+    chunks = p.Parse('<!-- desc=bingo! --><B>Hello!</B> how are you?<P>'
+                     '<I>I am fine.</I>', fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<B>Hello!</B> how are you?', 'bingo!'), (False, '<P>', ''),
+      (True, '<I>I am fine.</I>', '')])
+    chunks = p.Parse('<B><!-- desc=bingo! -->Hello!</B> how are you?<P>'
+                     '<I>I am fine.</I>', fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<B>Hello!</B> how are you?', 'bingo!'), (False, '<P>', ''),
+      (True, '<I>I am fine.</I>', '')])
+    # Linebreaks get handled by the tclib message.
+    chunks = p.Parse('<B>Hello!</B> <!-- desc=bi\nngo\n! -->how are you?<P>'
+                     '<I>I am fine.</I>', fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<B>Hello!</B> how are you?', 'bi\nngo\n!'), (False, '<P>', ''),
+      (True, '<I>I am fine.</I>', '')])
+
+    # In this case, because the explicit description appears after the first
+    # translateable, it will actually apply to the second translateable.
+    chunks = p.Parse('<B>Hello!</B> how are you?<!-- desc=bingo! --><P>'
+                     '<I>I am fine.</I>', fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<B>Hello!</B> how are you?', ''), (False, '<P>', ''),
+      (True, '<I>I am fine.</I>', 'bingo!')])
+
+  def VerifyChunkingReplaceables(self, fold_whitespace):
+    # Check that replaceables within block tags (where attributes would go) are
+    # handled correctly.
+    p = tr_html.HtmlChunks()
+    chunks = p.Parse('<b>Hello!</b> how are you?<p [BINGO] [$~BONGO~$]>'
+                     '<i>I am fine.</i>', fold_whitespace)
+    self.failUnlessEqual(chunks, [
+      (True, '<b>Hello!</b> how are you?', ''),
+      (False, '<p [BINGO] [$~BONGO~$]>', ''),
+      (True, '<i>I am fine.</i>', '')])
+
+  def VerifyChunkingLineBreaks(self, fold_whitespace):
+    # Check that the contents of preformatted tags preserve line breaks.
+    p = tr_html.HtmlChunks()
+    chunks = p.Parse('<textarea>Hello\nthere\nhow\nare\nyou?</textarea>',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [(False, '<textarea>', ''),
+      (True, 'Hello\nthere\nhow\nare\nyou?', ''), (False, '</textarea>', '')])
+
+    # ...and that other tags' line breaks are converted to spaces
+    chunks = p.Parse('<p>Hello\nthere\nhow\nare\nyou?</p>', fold_whitespace)
+    self.failUnlessEqual(chunks, [(False, '<p>', ''),
+      (True, 'Hello there how are you?', ''), (False, '</p>', '')])
+
+  def VerifyChunkingMessageBreak(self, fold_whitespace):
+    p = tr_html.HtmlChunks()
+    # Make sure that message-break comments work properly.
+    chunks = p.Parse('Break<!-- message-break --> apart '
+                     '<!--message-break-->messages', fold_whitespace)
+    self.failUnlessEqual(chunks, [(True, 'Break', ''),
+                                  (False, ' ', ''),
+                                  (True, 'apart', ''),
+                                  (False, ' ', ''),
+                                  (True, 'messages', '')])
+
+    # Make sure message-break comments work in an inline tag.
+    chunks = p.Parse('<a href=\'google.com\'><!-- message-break -->Google'
+                     '<!--message-break--></a>', fold_whitespace)
+    self.failUnlessEqual(chunks, [(False, '<a href=\'google.com\'>', ''),
+                                  (True, 'Google', ''),
+                                  (False, '</a>', '')])
+
+  def VerifyChunkingMessageNoBreak(self, fold_whitespace):
+    p = tr_html.HtmlChunks()
+    # Make sure that message-no-break comments work properly.
+    chunks = p.Parse('Please <!-- message-no-break --> <br />don\'t break',
+                     fold_whitespace)
+    self.failUnlessEqual(chunks, [(True, 'Please <!-- message-no-break --> '
+                         '<br />don\'t break', '')])
+
+    chunks = p.Parse('Please <br /> break. <!-- message-no-break --> <br /> '
+                     'But not this time.', fold_whitespace)
+    self.failUnlessEqual(chunks, [(True, 'Please', ''),
+                                  (False, ' <br /> ', ''),
+                                  (True, 'break. <!-- message-no-break --> '
+                                         '<br /> But not this time.', '')])
+
+  def testTranslateableAttributes(self):
+    p = tr_html.HtmlChunks()
+
+    # Check that the translateable attributes in <img>, <submit>, <button> and
+    # <text> elements buttons are handled correctly.
+    chunks = p.Parse('<img src=bingo.jpg alt="hello there">'
+                     '<input type=submit value="hello">'
+                     '<input type="button" value="hello">'
+                     '<input type=\'text\' value=\'Howdie\'>', False)
+    self.failUnlessEqual(chunks, [
+      (False, '<img src=bingo.jpg alt="', ''), (True, 'hello there', ''),
+      (False, '"><input type=submit value="', ''), (True, 'hello', ''),
+      (False, '"><input type="button" value="', ''), (True, 'hello', ''),
+      (False, '"><input type=\'text\' value=\'', ''), (True, 'Howdie', ''),
+      (False, '\'>', '')])
+
+
+  def testTranslateableHtmlToMessage(self):
+    msg = tr_html.HtmlToMessage(
+      'Hello <b>[USERNAME]</b>, &lt;how&gt;&nbsp;<i>are</i> you?')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    'Hello BEGIN_BOLDX_USERNAME_XEND_BOLD, '
+                    '<how>&nbsp;BEGIN_ITALICareEND_ITALIC you?')
+
+    msg = tr_html.HtmlToMessage('<b>Hello</b><I>Hello</I><b>Hello</b>')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    'BEGIN_BOLD_1HelloEND_BOLD_1BEGIN_ITALICHelloEND_ITALIC'
+                    'BEGIN_BOLD_2HelloEND_BOLD_2')
+
+    # Check that nesting (of the <font> tags) is handled correctly - i.e. that
+    # the closing placeholder numbers match the opening placeholders.
+    msg = tr_html.HtmlToMessage(
+      '''<font size=-1><font color=#FF0000>Update!</font> '''
+      '''<a href='http://desktop.google.com/whatsnew.html?hl=[$~LANG~$]'>'''
+      '''New Features</a>: Now search PDFs, MP3s, Firefox web history, and '''
+      '''more</font>''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    'BEGIN_FONT_1BEGIN_FONT_2Update!END_FONT_2 BEGIN_LINK'
+                    'New FeaturesEND_LINK: Now search PDFs, MP3s, Firefox '
+                    'web history, and moreEND_FONT_1')
+
+    msg = tr_html.HtmlToMessage('''<a href='[$~URL~$]'><b>[NUM][CAT]</b></a>''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres == 'BEGIN_LINKBEGIN_BOLDX_NUM_XX_CAT_XEND_BOLDEND_LINK')
+
+    msg = tr_html.HtmlToMessage(
+      '''<font size=-1><a class=q onClick='return window.qs?qs(this):1' '''
+      '''href='http://[WEBSERVER][SEARCH_URI]'>Desktop</a></font>&nbsp;&nbsp;'''
+      '''&nbsp;&nbsp;''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    '''BEGIN_FONTBEGIN_LINKDesktopEND_LINKEND_FONTSPACE''')
+
+    msg = tr_html.HtmlToMessage(
+      '''<br><br><center><font size=-2>&copy;2005 Google </font></center>''', 1)
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    u'BEGIN_BREAK_1BEGIN_BREAK_2BEGIN_CENTERBEGIN_FONT\xa92005'
+                    u' Google END_FONTEND_CENTER')
+
+    msg = tr_html.HtmlToMessage(
+      '''&nbsp;-&nbsp;<a class=c href=[$~CACHE~$]>Cached</a>''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    '&nbsp;-&nbsp;BEGIN_LINKCachedEND_LINK')
+
+    # Check that upper-case tags are handled correctly.
+    msg = tr_html.HtmlToMessage(
+      '''You can read the <A HREF='http://desktop.google.com/privacypolicy.'''
+      '''html?hl=[LANG_CODE]'>Privacy Policy</A> and <A HREF='http://desktop'''
+      '''.google.com/privacyfaq.html?hl=[LANG_CODE]'>Privacy FAQ</A> online.''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres ==
+                    'You can read the BEGIN_LINK_1Privacy PolicyEND_LINK_1 and '
+                    'BEGIN_LINK_2Privacy FAQEND_LINK_2 online.')
+
+    # Check that tags with linebreaks immediately preceding them are handled
+    # correctly.
+    msg = tr_html.HtmlToMessage(
+      '''You can read the
+<A HREF='http://desktop.google.com/privacypolicy.html?hl=[LANG_CODE]'>Privacy Policy</A>
+and <A HREF='http://desktop.google.com/privacyfaq.html?hl=[LANG_CODE]'>Privacy FAQ</A> online.''')
+    pres = msg.GetPresentableContent()
+    self.failUnless(pres == '''You can read the
+BEGIN_LINK_1Privacy PolicyEND_LINK_1
+and BEGIN_LINK_2Privacy FAQEND_LINK_2 online.''')
+
+    # Check that message-no-break comments are handled correctly.
+    msg = tr_html.HtmlToMessage('''Please <!-- message-no-break --><br /> don't break''')
+    pres = msg.GetPresentableContent()
+    self.failUnlessEqual(pres, '''Please BREAK don't break''')
+
+class TrHtmlUnittest(unittest.TestCase):
+  def testSetAttributes(self):
+    html = tr_html.TrHtml(StringIO.StringIO(''))
+    self.failUnlessEqual(html.fold_whitespace_, False)
+    html.SetAttributes({})
+    self.failUnlessEqual(html.fold_whitespace_, False)
+    html.SetAttributes({'fold_whitespace': 'false'})
+    self.failUnlessEqual(html.fold_whitespace_, False)
+    html.SetAttributes({'fold_whitespace': 'true'})
+    self.failUnlessEqual(html.fold_whitespace_, True)
+
+  def testFoldWhitespace(self):
+    text = '<td>   Test     Message   </td>'
+
+    html = tr_html.TrHtml(StringIO.StringIO(text))
+    html.Parse()
+    self.failUnlessEqual(html.skeleton_[1].GetMessage().GetPresentableContent(),
+                         'Test  Message')
+
+    html = tr_html.TrHtml(StringIO.StringIO(text))
+    html.fold_whitespace_ = True
+    html.Parse()
+    self.failUnlessEqual(html.skeleton_[1].GetMessage().GetPresentableContent(),
+                         'Test Message')
+
+  def testTable(self):
+    html = tr_html.TrHtml(StringIO.StringIO('''<table class="shaded-header"><tr>
+<td class="header-element b expand">Preferences</td>
+<td class="header-element s">
+<a href="http://desktop.google.com/preferences.html">Preferences&nbsp;Help</a>
+</td>
+</tr></table>'''))
+    html.Parse()
+    self.failUnless(html.skeleton_[3].GetMessage().GetPresentableContent() ==
+                    'BEGIN_LINKPreferences&nbsp;HelpEND_LINK')
+
+  def testSubmitAttribute(self):
+    html = tr_html.TrHtml(StringIO.StringIO('''</td>
+<td class="header-element"><input type=submit value="Save Preferences"
+name=submit2></td>
+</tr></table>'''))
+    html.Parse()
+    self.failUnless(html.skeleton_[1].GetMessage().GetPresentableContent() ==
+                    'Save Preferences')
+
+  def testWhitespaceAfterInlineTag(self):
+    '''Test that even if there is whitespace after an inline tag at the start
+    of a translateable section the inline tag will be included.
+    '''
+    html = tr_html.TrHtml(
+        StringIO.StringIO('''<label for=DISPLAYNONE><font size=-1> Hello</font>'''))
+    html.Parse()
+    self.failUnless(html.skeleton_[1].GetMessage().GetRealContent() ==
+                    '<font size=-1> Hello</font>')
+
+  def testSillyHeader(self):
+    html = tr_html.TrHtml(StringIO.StringIO('''[!]
+title\tHello
+bingo
+bongo
+bla
+
+<p>Other stuff</p>'''))
+    html.Parse()
+    content = html.skeleton_[1].GetMessage().GetRealContent()
+    self.failUnless(content == 'Hello')
+    self.failUnless(html.skeleton_[-1] == '</p>')
+    # Right after the translateable the nontranslateable should start with
+    # a linebreak (this catches a bug we had).
+    self.failUnless(html.skeleton_[2][0] == '\n')
+
+
+  def testExplicitDescriptions(self):
+    html = tr_html.TrHtml(
+        StringIO.StringIO('Hello [USER]<br/><!-- desc=explicit -->'
+                          '<input type="button">Go!</input>'))
+    html.Parse()
+    msg = html.GetCliques()[1].GetMessage()
+    self.failUnlessEqual(msg.GetDescription(), 'explicit')
+    self.failUnlessEqual(msg.GetRealContent(), 'Go!')
+
+    html = tr_html.TrHtml(
+        StringIO.StringIO('Hello [USER]<br/><!-- desc=explicit\nmultiline -->'
+                          '<input type="button">Go!</input>'))
+    html.Parse()
+    msg = html.GetCliques()[1].GetMessage()
+    self.failUnlessEqual(msg.GetDescription(), 'explicit multiline')
+    self.failUnlessEqual(msg.GetRealContent(), 'Go!')
+
+
+  def testRegressionInToolbarAbout(self):
+    html = tr_html.TrHtml(util.PathFromRoot(r'grit/testdata/toolbar_about.html'))
+    html.Parse()
+    cliques = html.GetCliques()
+    for cl in cliques:
+      content = cl.GetMessage().GetRealContent()
+      if content.count('De parvis grandis acervus erit'):
+        self.failIf(content.count('$/translate'))
+
+
+  def HtmlFromFileWithManualCheck(self, f):
+    html = tr_html.TrHtml(f)
+    html.Parse()
+
+    # For manual results inspection only...
+    list = []
+    for item in html.skeleton_:
+      if isinstance(item, types.StringTypes):
+        list.append(item)
+      else:
+        list.append(item.GetMessage().GetPresentableContent())
+
+    return html
+
+
+  def testPrivacyHtml(self):
+    html = self.HtmlFromFileWithManualCheck(
+      util.PathFromRoot(r'grit/testdata/privacy.html'))
+
+    self.failUnless(html.skeleton_[1].GetMessage().GetRealContent() ==
+                    'Privacy and Google Desktop Search')
+    self.failUnless(html.skeleton_[3].startswith('<'))
+    self.failUnless(len(html.skeleton_) > 10)
+
+
+  def testPreferencesHtml(self):
+    html = self.HtmlFromFileWithManualCheck(
+      util.PathFromRoot(r'grit/testdata/preferences.html'))
+
+    # Verify that we don't get '[STATUS-MESSAGE]' as the original content of
+    # one of the MessageClique objects (it would be a placeholder-only message
+    # and we're supposed to have stripped those).
+
+    for item in [x for x in html.skeleton_
+                 if isinstance(x, clique.MessageClique)]:
+      if (item.GetMessage().GetRealContent() == '[STATUS-MESSAGE]' or
+          item.GetMessage().GetRealContent() == '[ADDIN-DO] [ADDIN-OPTIONS]'):
+        self.fail()
+
+    self.failUnless(len(html.skeleton_) > 100)
+
+  def AssertNumberOfTranslateables(self, files, num):
+    '''Fails if any of the files in files don't have exactly
+    num translateable sections.
+
+    Args:
+      files: ['file1', 'file2']
+      num: 3
+    '''
+    for f in files:
+      f = util.PathFromRoot(r'grit/testdata/%s' % f)
+      html = self.HtmlFromFileWithManualCheck(f)
+      self.failUnless(len(html.GetCliques()) == num)
+
+  def testFewTranslateables(self):
+    self.AssertNumberOfTranslateables(['browser.html', 'email_thread.html',
+                                       'header.html', 'mini.html',
+                                       'oneclick.html', 'script.html',
+                                       'time_related.html', 'versions.html'], 0)
+    self.AssertNumberOfTranslateables(['footer.html', 'hover.html'], 1)
+
+  def testOtherHtmlFilesForManualInspection(self):
+    files = [
+      'about.html', 'bad_browser.html', 'cache_prefix.html',
+      'cache_prefix_file.html', 'chat_result.html', 'del_footer.html',
+      'del_header.html', 'deleted.html', 'details.html', 'email_result.html',
+      'error.html', 'explicit_web.html', 'footer.html',
+      'homepage.html', 'indexing_speed.html',
+      'install_prefs.html', 'install_prefs2.html',
+      'oem_enable.html', 'oem_non_admin.html', 'onebox.html',
+      'password.html', 'quit_apps.html', 'recrawl.html',
+      'searchbox.html', 'sidebar_h.html', 'sidebar_v.html', 'status.html',
+    ]
+    for f in files:
+      self.HtmlFromFileWithManualCheck(
+        util.PathFromRoot(r'grit/testdata/%s' % f))
+
+  def testTranslate(self):
+    # Note that the English translation of documents that use character
+    # literals (e.g. &copy;) will not be the same as the original document
+    # because the character literal will be transformed into the Unicode
+    # character itself.  So for this test we choose some relatively complex
+    # HTML without character entities (but with &nbsp; because that's handled
+    # specially).
+    html = tr_html.TrHtml(StringIO.StringIO('''  <script>
+      <!--
+      function checkOffice() { var w = document.getElementById("h7");
+      var e = document.getElementById("h8"); var o = document.getElementById("h10");
+      if (!(w.checked || e.checked)) { o.checked=0;o.disabled=1;} else {o.disabled=0;} }
+      // -->
+        </script>
+        <input type=checkbox [CHECK-DOC] name=DOC id=h7 onclick='checkOffice()'>
+        <label for=h7> Word</label><br>
+        <input type=checkbox [CHECK-XLS] name=XLS id=h8 onclick='checkOffice()'>
+        <label for=h8> Excel</label><br>
+        <input type=checkbox [CHECK-PPT] name=PPT id=h9>
+        <label for=h9> PowerPoint</label><br>
+        </span></td><td nowrap valign=top><span class="s">
+        <input type=checkbox [CHECK-PDF] name=PDF id=hpdf>
+        <label for=hpdf> PDF</label><br>
+        <input type=checkbox [CHECK-TXT] name=TXT id=h6>
+        <label for=h6> Text, media, and other files</label><br>
+       </tr>&nbsp;&nbsp;
+       <tr><td nowrap valign=top colspan=3><span class="s"><br />
+       <input type=checkbox [CHECK-SECUREOFFICE] name=SECUREOFFICE id=h10>
+        <label for=h10> Password-protected Office documents (Word, Excel)</label><br />
+        <input type=checkbox [DISABLED-HTTPS] [CHECK-HTTPS] name=HTTPS id=h12><label
+        for=h12> Secure pages (HTTPS) in web history</label></span></td></tr>
+      </table>'''))
+    html.Parse()
+    trans = html.Translate('en')
+    if (html.GetText() != trans):
+      self.fail()
+
+
+  def testHtmlToMessageWithBlockTags(self):
+    msg = tr_html.HtmlToMessage(
+      'Hello<p>Howdie<img alt="bingo" src="image.gif">', True)
+    result = msg.GetPresentableContent()
+    self.failUnless(
+      result == 'HelloBEGIN_PARAGRAPHHowdieBEGIN_BLOCKbingoEND_BLOCK')
+
+    msg = tr_html.HtmlToMessage(
+      'Hello<p>Howdie<input type="button" value="bingo">', True)
+    result = msg.GetPresentableContent()
+    self.failUnless(
+      result == 'HelloBEGIN_PARAGRAPHHowdieBEGIN_BLOCKbingoEND_BLOCK')
+
+
+  def testHtmlToMessageRegressions(self):
+    msg = tr_html.HtmlToMessage(' - ', True)
+    result = msg.GetPresentableContent()
+    self.failUnless(result == ' - ')
+
+
+  def testEscapeUnescaped(self):
+    text = '&copy;&nbsp; & &quot;&lt;hello&gt;&quot;'
+    unescaped = util.UnescapeHtml(text)
+    self.failUnless(unescaped == u'\u00a9\u00a0 & "<hello>"')
+    escaped_unescaped = util.EscapeHtml(unescaped, True)
+    self.failUnless(escaped_unescaped ==
+                    u'\u00a9\u00a0 &amp; &quot;&lt;hello&gt;&quot;')
+
+  def testRegressionCjkHtmlFile(self):
+    # TODO(joi) Fix this problem where unquoted attributes that
+    # have a value that is CJK characters causes the regular expression
+    # match never to return.  (culprit is the _ELEMENT regexp(
+    if False:
+      html = self.HtmlFromFileWithManualCheck(util.PathFromRoot(
+        r'grit/testdata/ko_oem_enable_bug.html'))
+      self.failUnless(True)
+
+  def testRegressionCpuHang(self):
+    # If this regression occurs, the unit test will never return
+    html = tr_html.TrHtml(StringIO.StringIO(
+      '''<input type=text size=12 id=advFileTypeEntry [~SHOW-FILETYPE-BOX~] value="[EXT]" name=ext>'''))
+    html.Parse()
+
+if __name__ == '__main__':
+  unittest.main()