chrome/browser/spellchecker/word_trimmer_unittest.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/spellchecker/word_trimmer.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 using base::ASCIIToUTF16;
  11
  12 TEST(WordTrimmerTest, TrimWordsEmptyText) {
  13   size_t start = 0;
  14   size_t end = 0;
  15   EXPECT_EQ(base::string16(), TrimWords(&start, end, base::string16(), 0));
  16   EXPECT_EQ(0UL, start);
  17 }
  18
  19 TEST(WordTrimmerTest, TrimWordsStart) {
  20   size_t start = 0;
  21   size_t end = 3;
  22   EXPECT_EQ(ASCIIToUTF16("one two three"),
  23             TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
  24   EXPECT_EQ(0UL, start);
  25 }
  26
  27 TEST(WordTrimmerTest, TrimWordsEnd) {
  28   size_t start = 14;
  29   size_t end = 18;
  30   EXPECT_EQ(ASCIIToUTF16("two three four"),
  31             TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
  32   EXPECT_EQ(10UL, start);
  33 }
  34
  35 TEST(WordTrimmerTest, TrimWordsMiddle) {
  36   size_t start = 14;
  37   size_t end = 23;
  38   EXPECT_EQ(ASCIIToUTF16("two three four five six seven"), TrimWords(
  39       &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
  40   EXPECT_EQ(10UL, start);
  41 }
  42
  43 TEST(WordTrimmerTest, TrimWordsEmptyKeep) {
  44   size_t start = 18;
  45   size_t end = 18;
  46   EXPECT_EQ(ASCIIToUTF16("two three four five six"), TrimWords(
  47       &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
  48   EXPECT_EQ(14UL, start);
  49 }
  50
  51 TEST(WordTrimmerTest, TrimWordsOutOfBounds) {
  52   size_t start = 4;
  53   size_t end = 5;
  54   EXPECT_EQ(ASCIIToUTF16("one"), TrimWords(
  55       &start, end, ASCIIToUTF16("one"), 2));
  56   EXPECT_EQ(4UL, start);
  57 }
  58
  59 TEST(WordTrimmerTest, TrimWordsInvalid) {
  60   size_t start = 23;
  61   size_t end = 14;
  62   EXPECT_EQ(ASCIIToUTF16("one two three four five six seven eight"), TrimWords(
  63       &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
  64   EXPECT_EQ(23UL, start);
  65 }