| // Copyright (c) 2011 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 "chrome/browser/spellchecker/word_trimmer.h" |
| |
| #include "base/strings/utf_string_conversions.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| TEST(WordTrimmerTest, TrimWordsEmptyText) { |
| size_t start = 0; |
| size_t end = 0; |
| EXPECT_EQ(string16(), TrimWords(&start, end, base::string16(), 0)); |
| EXPECT_EQ(0UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsStart) { |
| size_t start = 0; |
| size_t end = 3; |
| EXPECT_EQ(ASCIIToUTF16("one two three"), |
| TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2)); |
| EXPECT_EQ(0UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsEnd) { |
| size_t start = 14; |
| size_t end = 18; |
| EXPECT_EQ(ASCIIToUTF16("two three four"), |
| TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2)); |
| EXPECT_EQ(10UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsMiddle) { |
| size_t start = 14; |
| size_t end = 23; |
| EXPECT_EQ(ASCIIToUTF16("two three four five six seven"), TrimWords( |
| &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2)); |
| EXPECT_EQ(10UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsEmptyKeep) { |
| size_t start = 18; |
| size_t end = 18; |
| EXPECT_EQ(ASCIIToUTF16("two three four five six"), TrimWords( |
| &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2)); |
| EXPECT_EQ(14UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsOutOfBounds) { |
| size_t start = 4; |
| size_t end = 5; |
| EXPECT_EQ(ASCIIToUTF16("one"), TrimWords( |
| &start, end, ASCIIToUTF16("one"), 2)); |
| EXPECT_EQ(4UL, start); |
| } |
| |
| TEST(WordTrimmerTest, TrimWordsInvalid) { |
| size_t start = 23; |
| size_t end = 14; |
| EXPECT_EQ(ASCIIToUTF16("one two three four five six seven eight"), TrimWords( |
| &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2)); |
| EXPECT_EQ(23UL, start); |
| } |