Move test runner to a component

content/shell/renderer/test_runner/mock_spell_check.cc

-// Copyright 2014 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.
-
-#include "content/shell/renderer/test_runner/mock_spell_check.h"
-
-#include "base/logging.h"
-#include "content/shell/renderer/test_runner/test_common.h"
-#include "third_party/WebKit/public/platform/WebCString.h"
-
-namespace content {
-
-namespace {
-
-void Append(blink::WebVector<blink::WebString>* data,
-            const blink::WebString& item) {
-  blink::WebVector<blink::WebString> result(data->size() + 1);
-  for (size_t i = 0; i < data->size(); ++i)
-    result[i] = (*data)[i];
-  result[data->size()] = item;
-  data->swap(result);
-}
-
-}  // namespace
-
-MockSpellCheck::MockSpellCheck() : initialized_(false) {
-}
-
-MockSpellCheck::~MockSpellCheck() {
-}
-
-bool MockSpellCheck::SpellCheckWord(const blink::WebString& text,
-                                    int* misspelled_offset,
-                                    int* misspelled_length) {
-  DCHECK(misspelled_offset);
-  DCHECK(misspelled_length);
-
-  // Initialize this spellchecker.
-  InitializeIfNeeded();
-
-  // Reset the result values as our spellchecker does.
-  *misspelled_offset = 0;
-  *misspelled_length = 0;
-
-  // Convert to a base::string16 because we store base::string16 instances in
-  // misspelled_words_ and blink::WebString has no find().
-  base::string16 string_text = text;
-  int skipped_length = 0;
-
-  while (!string_text.empty()) {
-    // Extract the first possible English word from the given string.
-    // The given string may include non-ASCII characters or numbers. So, we
-    // should filter out such characters before start looking up our
-    // misspelled-word table.
-    // (This is a simple version of our SpellCheckWordIterator class.)
-    // If the given string doesn't include any ASCII characters, we can treat
-    // the string as valid one.
-    base::string16::iterator first_char =
-        std::find_if(string_text.begin(), string_text.end(), IsASCIIAlpha);
-    if (first_char == string_text.end())
-      return true;
-    int word_offset = std::distance(string_text.begin(), first_char);
-    int max_word_length = static_cast<int>(string_text.length()) - word_offset;
-    int word_length;
-    base::string16 word;
-
-    // Look up our misspelled-word table to check if the extracted word is a
-    // known misspelled word, and return the offset and the length of the
-    // extracted word if this word is a known misspelled word.
-    // (See the comment in MockSpellCheck::InitializeIfNeeded() why we use a
-    // misspelled-word table.)
-    for (size_t i = 0; i < misspelled_words_.size(); ++i) {
-      word_length =
-          static_cast<int>(misspelled_words_.at(i).length()) > max_word_length
-              ? max_word_length
-              : static_cast<int>(misspelled_words_.at(i).length());
-      word = string_text.substr(word_offset, word_length);
-      if (word == misspelled_words_.at(i) &&
-          (static_cast<int>(string_text.length()) ==
-               word_offset + word_length ||
-           IsNotASCIIAlpha(string_text[word_offset + word_length]))) {
-        *misspelled_offset = word_offset + skipped_length;
-        *misspelled_length = word_length;
-        break;
-      }
-    }
-
-    if (*misspelled_length > 0)
-      break;
-
-    base::string16::iterator last_char = std::find_if(
-        string_text.begin() + word_offset, string_text.end(), IsNotASCIIAlpha);
-    if (last_char == string_text.end())
-      word_length = static_cast<int>(string_text.length()) - word_offset;
-    else
-      word_length = std::distance(first_char, last_char);
-
-    DCHECK_LT(0, word_offset + word_length);
-    string_text = string_text.substr(word_offset + word_length);
-    skipped_length += word_offset + word_length;
-  }
-
-  return false;
-}
-
-bool MockSpellCheck::HasInCache(const blink::WebString& word) {
-  return word == blink::WebString::fromUTF8("Spell wellcome. Is it broken?") ||
-         word == blink::WebString::fromUTF8("Spell wellcome.\x007F");
-}
-
-bool MockSpellCheck::IsMultiWordMisspelling(
-    const blink::WebString& text,
-    std::vector<blink::WebTextCheckingResult>* results) {
-  if (text == blink::WebString::fromUTF8("Helllo wordl.")) {
-    results->push_back(blink::WebTextCheckingResult(
-        blink::WebTextDecorationTypeSpelling, 0, 6, blink::WebString("Hello")));
-    results->push_back(blink::WebTextCheckingResult(
-        blink::WebTextDecorationTypeSpelling, 7, 5, blink::WebString("world")));
-    return true;
-  }
-  return false;
-}
-
-void MockSpellCheck::FillSuggestionList(
-    const blink::WebString& word,
-    blink::WebVector<blink::WebString>* suggestions) {
-  if (word == blink::WebString::fromUTF8("wellcome"))
-    Append(suggestions, blink::WebString::fromUTF8("welcome"));
-  else if (word == blink::WebString::fromUTF8("upper case"))
-    Append(suggestions, blink::WebString::fromUTF8("uppercase"));
-  else if (word == blink::WebString::fromUTF8("Helllo"))
-    Append(suggestions, blink::WebString::fromUTF8("Hello"));
-  else if (word == blink::WebString::fromUTF8("wordl"))
-    Append(suggestions, blink::WebString::fromUTF8("world"));
-}
-
-bool MockSpellCheck::InitializeIfNeeded() {
-  // Exit if we have already initialized this object.
-  if (initialized_)
-    return false;
-
-  // Create a table that consists of misspelled words used in WebKit layout
-  // tests.
-  // Since WebKit layout tests don't have so many misspelled words as
-  // well-spelled words, it is easier to compare the given word with misspelled
-  // ones than to compare with well-spelled ones.
-  static const char* misspelled_words[] = {
-      // These words are known misspelled words in webkit tests.
-      // If there are other misspelled words in webkit tests, please add them in
-      // this array.
-      "foo",    "Foo",           "baz",             "fo",         "LibertyF",
-      "chello", "xxxtestxxx",    "XXxxx",           "Textx",      "blockquoted",
-      "asd",    "Lorem",         "Nunc",            "Curabitur",  "eu",
-      "adlj",   "adaasj",        "sdklj",           "jlkds",      "jsaada",
-      "jlda",   "zz",            "contentEditable",
-      // The following words are used by unit tests.
-      "ifmmp",  "qwertyuiopasd", "qwertyuiopasdf",  "upper case", "wellcome"};
-
-  misspelled_words_.clear();
-  for (size_t i = 0; i < arraysize(misspelled_words); ++i)
-    misspelled_words_.push_back(
-        base::string16(misspelled_words[i],
-                       misspelled_words[i] + strlen(misspelled_words[i])));
-
-  // Mark as initialized to prevent this object from being initialized twice
-  // or more.
-  initialized_ = true;
-
-  // Since this MockSpellCheck class doesn't download dictionaries, this
-  // function always returns false.
-  return false;
-}
-
-}  // namespace content