Move Mac to using renderer spellchecker.

BUG=25677

Review URL: http://codereview.chromium.org/395007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@32561 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 393 insertions, 0 deletions

diff --git a/chrome/browser/spellchecker_platform_engine_unittest.cc b/chrome/browser/spellchecker_platform_engine_unittest.cc
new file mode 100644
index 0000000..d4bf050
--- /dev/null
+++ b/chrome/browser/spellchecker_platform_engine_unittest.cc
@@ -0,0 +1,393 @@
+// Copyright (c) 2009 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 "base/string_util.h"
+#include "chrome/browser/spellchecker_platform_engine.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if defined(OS_MACOSX)
+#define MAYBE_IgnoreWords_EN_US IgnoreWords_EN_US
+#else
+#define MAYBE_IgnoreWords_EN_US DISABLED_IgnoreWords_EN_US
+#endif
+
+// Tests that words are properly ignored. Currently only enabled on OS X as it
+// is the only platform to support ignoring words. Note that in this test, we
+// supply a non-zero doc_tag, in order to test that ignored words are matched to
+// the correct document.
+TEST(PlatformSpellCheckTest, MAYBE_IgnoreWords_EN_US) {
+  static const struct {
+    // A misspelled word.
+    const char* input;
+    bool input_result;
+  } kTestCases[] = {
+    {"teh"},
+    {"moer"},
+    {"watre"},
+    {"noen"},
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+    string16 word(UTF8ToUTF16(kTestCases[i].input));
+    std::vector<string16> suggestions;
+    size_t input_length = 0;
+    if (kTestCases[i].input != NULL) {
+      input_length = word.length();
+    }
+
+    int doc_tag = SpellCheckerPlatform::GetDocumentTag();
+    bool result = SpellCheckerPlatform::CheckSpelling(word, doc_tag);
+
+    // The word should show up as misspelled.
+    EXPECT_EQ(kTestCases[i].input_result, result);
+
+    // Ignore the word.
+    SpellCheckerPlatform::IgnoreWord(word);
+
+    // Spellcheck again.
+    result = SpellCheckerPlatform::CheckSpelling(word, doc_tag);
+
+    // The word should now show up as correctly spelled.
+    EXPECT_EQ(!(kTestCases[i].input_result), result);
+
+    // Close the docuemnt. Any words that we had previously ignored should no
+    // longer be ignored and thus should show up as misspelled.
+    SpellCheckerPlatform::CloseDocumentWithTag(doc_tag);
+
+    // Spellcheck one more time.
+    result = SpellCheckerPlatform::CheckSpelling(word, doc_tag);
+
+    // The word should now show be spelled wrong again
+    EXPECT_EQ(kTestCases[i].input_result, result);
+  }
+} // Test IgnoreWords_EN_US
+
+#if defined(OS_MACOSX)
+TEST(PlatformSpellCheckTest, SpellCheckSuggestions_EN_US) {
+  static const struct {
+    // A string to be tested.
+    const wchar_t* input;
+
+    // A suggested word that should occur.
+    const wchar_t* suggested_word;
+  } kTestCases[] = {    // A valid English word with a preceding whitespace
+    // We need to have separate test cases here, since hunspell and the OS X
+    // spellchecking service occasionally differ on what they consider a valid
+    // suggestion for a given word, although these lists could likely be
+    // integrated somewhat. The test cases for non-Mac are in
+    // chrome/renderer/spellcheck_unittest.cc
+    // These words come from the wikipedia page of the most commonly
+    // misspelled words in english.
+    // (http://en.wikipedia.org/wiki/Commonly_misspelled_words).
+    {L"absense", L"absence"},
+    {L"acceptible", L"acceptable"},
+    {L"accidentaly", L"accidentally"},
+    {L"accomodate", L"accommodate"},
+    {L"acheive", L"achieve"},
+    {L"acknowlege", L"acknowledge"},
+    {L"acquaintence", L"acquaintance"},
+    {L"aquire", L"acquire"},
+    {L"aquit", L"acquit"},
+    {L"acrage", L"acreage"},
+    {L"adress", L"address"},
+    {L"adultary", L"adultery"},
+    {L"advertize", L"advertise"},
+    {L"adviseable", L"advisable"},
+    {L"agression", L"aggression"},
+    {L"alchohol", L"alcohol"},
+    {L"alege", L"allege"},
+    {L"allegaince", L"allegiance"},
+    {L"allmost", L"almost"},
+    // Ideally, this test should pass. It works in firefox, but not in hunspell
+    // or OS X.
+    // {L"alot", L"a lot"},
+    {L"amatuer", L"amateur"},
+    {L"ammend", L"amend"},
+    {L"amung", L"among"},
+    {L"anually", L"annually"},
+    {L"apparant", L"apparent"},
+    {L"artic", L"arctic"},
+    {L"arguement", L"argument"},
+    {L"athiest", L"atheist"},
+    {L"athelete", L"athlete"},
+    {L"avrage", L"average"},
+    {L"awfull", L"awful"},
+    {L"ballance", L"balance"},
+    {L"basicly", L"basically"},
+    {L"becuase", L"because"},
+    {L"becomeing", L"becoming"},
+    {L"befor", L"before"},
+    {L"begining", L"beginning"},
+    {L"beleive", L"believe"},
+    {L"bellweather", L"bellwether"},
+    {L"benifit", L"benefit"},
+    {L"bouy", L"buoy"},
+    {L"briliant", L"brilliant"},
+    {L"burgler", L"burglar"},
+    {L"camoflage", L"camouflage"},
+    {L"carrer", L"career"},
+    {L"carefull", L"careful"},
+    {L"Carribean", L"Caribbean"},
+    {L"catagory", L"category"},
+    {L"cauhgt", L"caught"},
+    {L"cieling", L"ceiling"},
+    {L"cemetary", L"cemetery"},
+    {L"certin", L"certain"},
+    {L"changable", L"changeable"},
+    {L"cheif", L"chief"},
+    {L"citezen", L"citizen"},
+    {L"collaegue", L"colleague"},
+    {L"colum", L"column"},
+    {L"comming", L"coming"},
+    {L"commited", L"committed"},
+    {L"compitition", L"competition"},
+    {L"conceed", L"concede"},
+    {L"congradulate", L"congratulate"},
+    {L"consciencious", L"conscientious"},
+    {L"concious", L"conscious"},
+    {L"concensus", L"consensus"},
+    {L"contraversy", L"controversy"},
+    {L"conveniance", L"convenience"},
+    {L"critecize", L"criticize"},
+    {L"dacquiri", L"daiquiri"},
+    {L"decieve", L"deceive"},
+    {L"dicide", L"decide"},
+    {L"definate", L"definite"},
+    {L"definitly", L"definitely"},
+    {L"deposite", L"deposit"},
+    {L"desparate", L"desperate"},
+    {L"develope", L"develop"},
+    {L"diffrence", L"difference"},
+    {L"dilema", L"dilemma"},
+    {L"disapear", L"disappear"},
+    {L"disapoint", L"disappoint"},
+    {L"disasterous", L"disastrous"},
+    {L"disipline", L"discipline"},
+    {L"drunkeness", L"drunkenness"},
+    {L"dumbell", L"dumbbell"},
+    {L"durring", L"during"},
+    {L"easely", L"easily"},
+    {L"eigth", L"eight"},
+    {L"embarass", L"embarrass"},
+    {L"enviroment", L"environment"},
+    {L"equiped", L"equipped"},
+    {L"equiptment", L"equipment"},
+    {L"exagerate", L"exaggerate"},
+    {L"excede", L"exceed"},
+    {L"exellent", L"excellent"},
+    {L"exsept", L"except"},
+    {L"exercize", L"exercise"},
+    {L"exilerate", L"exhilarate"},
+    {L"existance", L"existence"},
+    {L"experiance", L"experience"},
+    {L"experament", L"experiment"},
+    {L"explaination", L"explanation"},
+    {L"extreem", L"extreme"},
+    {L"familier", L"familiar"},
+    {L"facinating", L"fascinating"},
+    {L"firey", L"fiery"},
+    {L"finaly", L"finally"},
+    {L"flourescent", L"fluorescent"},
+    {L"foriegn", L"foreign"},
+    {L"fourty", L"forty"},
+    {L"foreward", L"forward"},
+    {L"freind", L"friend"},
+    {L"fullfil", L"fulfill"},
+    {L"fundemental", L"fundamental"},
+    {L"guage", L"gauge"},
+    {L"generaly", L"generally"},
+    {L"goverment", L"government"},
+    {L"grammer", L"grammar"},
+    {L"gratefull", L"grateful"},
+    {L"garantee", L"guarantee"},
+    {L"guidence", L"guidance"},
+    {L"happyness", L"happiness"},
+    {L"harrass", L"harass"},
+    {L"heighth", L"height"},
+    {L"heirarchy", L"hierarchy"},
+    {L"humerous", L"humorous"},
+    {L"hygene", L"hygiene"},
+    {L"hipocrit", L"hypocrite"},
+    {L"idenity", L"identity"},
+    {L"ignorence", L"ignorance"},
+    {L"imaginery", L"imaginary"},
+    {L"immitate", L"imitate"},
+    {L"immitation", L"imitation"},
+    {L"imediately", L"immediately"},
+    {L"incidently", L"incidentally"},
+    {L"independant", L"independent"},
+    {L"indispensible", L"indispensable"},
+    {L"innoculate", L"inoculate"},
+    {L"inteligence", L"intelligence"},
+    {L"intresting", L"interesting"},
+    {L"interuption", L"interruption"},
+    {L"irrelevent", L"irrelevant"},
+    {L"irritible", L"irritable"},
+    {L"iland", L"island"},
+    {L"jellous", L"jealous"},
+    {L"knowlege", L"knowledge"},
+    {L"labratory", L"laboratory"},
+    {L"liesure", L"leisure"},
+    {L"lenght", L"length"},
+    {L"liason", L"liaison"},
+    {L"libary", L"library"},
+    {L"lisence", L"license"},
+    {L"lonelyness", L"loneliness"},
+    {L"lieing", L"lying"},
+    {L"maintenence", L"maintenance"},
+    {L"manuever", L"maneuver"},
+    {L"marrige", L"marriage"},
+    {L"mathmatics", L"mathematics"},
+    {L"medcine", L"medicine"},
+    {L"medeval", L"medieval"},
+    {L"momento", L"memento"},
+    {L"millenium", L"millennium"},
+    {L"miniture", L"miniature"},
+    {L"minite", L"minute"},
+    {L"mischevous", L"mischievous"},
+    {L"mispell", L"misspell"},
+    // Maybe this one should pass, as it works in hunspell, but not in firefox.
+    // {L"misterius", L"mysterious"},
+    {L"naturaly", L"naturally"},
+    {L"neccessary", L"necessary"},
+    {L"neice", L"niece"},
+    {L"nieghbor", L"neighbor"},
+    {L"nieghbour", L"neighbor"},
+    {L"niether", L"neither"},
+    {L"noticable", L"noticeable"},
+    {L"occassion", L"occasion"},
+    {L"occasionaly", L"occasionally"},
+    {L"occurrance", L"occurrence"},
+    {L"occured", L"occurred"},
+    {L"oficial", L"official"},
+    {L"offen", L"often"},
+    {L"ommision", L"omission"},
+    {L"oprate", L"operate"},
+    {L"oppurtunity", L"opportunity"},
+    {L"orignal", L"original"},
+    {L"outragous", L"outrageous"},
+    {L"parrallel", L"parallel"},
+    {L"parliment", L"parliament"},
+    {L"particurly", L"particularly"},
+    {L"passtime", L"pastime"},
+    {L"peculier", L"peculiar"},
+    {L"percieve", L"perceive"},
+    {L"pernament", L"permanent"},
+    {L"perseverence", L"perseverance"},
+    {L"personaly", L"personally"},
+    {L"personell", L"personnel"},
+    {L"persaude", L"persuade"},
+    {L"pichure", L"picture"},
+    {L"peice", L"piece"},
+    {L"plagerize", L"plagiarize"},
+    {L"playright", L"playwright"},
+    {L"plesant", L"pleasant"},
+    {L"pollitical", L"political"},
+    {L"posession", L"possession"},
+    {L"potatos", L"potatoes"},
+    {L"practicle", L"practical"},
+    {L"preceed", L"precede"},
+    {L"predjudice", L"prejudice"},
+    {L"presance", L"presence"},
+    {L"privelege", L"privilege"},
+    // This one should probably work. It does in FF and Hunspell.
+    // {L"probly", L"probably"},
+    {L"proffesional", L"professional"},
+    {L"professer", L"professor"},
+    {L"promiss", L"promise"},
+    {L"pronounciation", L"pronunciation"},
+    {L"prufe", L"proof"},
+    {L"psycology", L"psychology"},
+    {L"publically", L"publicly"},
+    {L"quanity", L"quantity"},
+    {L"quarentine", L"quarantine"},
+    {L"questionaire", L"questionnaire"},
+    {L"readible", L"readable"},
+    {L"realy", L"really"},
+    {L"recieve", L"receive"},
+    {L"reciept", L"receipt"},
+    {L"reconize", L"recognize"},
+    {L"recomend", L"recommend"},
+    {L"refered", L"referred"},
+    {L"referance", L"reference"},
+    {L"relevent", L"relevant"},
+    {L"religous", L"religious"},
+    {L"repitition", L"repetition"},
+    {L"restarant", L"restaurant"},
+    {L"rythm", L"rhythm"},
+    {L"rediculous", L"ridiculous"},
+    {L"sacrefice", L"sacrifice"},
+    {L"saftey", L"safety"},
+    {L"sissors", L"scissors"},
+    {L"secratary", L"secretary"},
+    {L"sieze", L"seize"},
+    {L"seperate", L"separate"},
+    {L"sargent", L"sergeant"},
+    {L"shineing", L"shining"},
+    {L"similer", L"similar"},
+    {L"sinceerly", L"sincerely"},
+    {L"speach", L"speech"},
+    {L"stoping", L"stopping"},
+    {L"strenght", L"strength"},
+    {L"succede", L"succeed"},
+    {L"succesful", L"successful"},
+    {L"supercede", L"supersede"},
+    {L"surelly", L"surely"},
+    {L"suprise", L"surprise"},
+    {L"temperture", L"temperature"},
+    {L"temprary", L"temporary"},
+    {L"tomatos", L"tomatoes"},
+    {L"tommorrow", L"tomorrow"},
+    {L"tounge", L"tongue"},
+    {L"truely", L"truly"},
+    {L"twelth", L"twelfth"},
+    {L"tyrany", L"tyranny"},
+    {L"underate", L"underrate"},
+    {L"untill", L"until"},
+    {L"unuseual", L"unusual"},
+    {L"upholstry", L"upholstery"},
+    {L"usible", L"usable"},
+    {L"useing", L"using"},
+    {L"usualy", L"usually"},
+    {L"vaccuum", L"vacuum"},
+    {L"vegatarian", L"vegetarian"},
+    {L"vehical", L"vehicle"},
+    {L"visious", L"vicious"},
+    {L"villege", L"village"},
+    {L"wierd", L"weird"},
+    {L"wellcome", L"welcome"},
+    {L"wellfare", L"welfare"},
+    {L"wilfull", L"willful"},
+    {L"withold", L"withhold"},
+    {L"writting", L"writing"},
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+    std::vector<string16> suggestions;
+    size_t input_length = 0;
+    if (kTestCases[i].input != NULL) {
+      input_length = wcslen(kTestCases[i].input);
+    }
+    bool result = SpellCheckerPlatform::CheckSpelling(
+        WideToUTF16(kTestCases[i].input), 0);
+    EXPECT_FALSE(result);
+
+    SpellCheckerPlatform::FillSuggestionList(WideToUTF16(kTestCases[i].input),
+                                             &suggestions);
+
+    // Check if the suggested words occur.
+    bool suggested_word_is_present = false;
+    for (int j=0; j < static_cast<int>(suggestions.size()); j++) {
+      if (suggestions.at(j).compare(WideToUTF16(kTestCases[i].suggested_word))
+          == 0) {
+        suggested_word_is_present = true;
+        break;
+      }
+    }
+
+    EXPECT_TRUE(suggested_word_is_present);
+  }
+}
+
+#endif  // defined(OS_MACOSX)