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
TEST(WordTrimmerTest,TrimWordsEmptyText)10 TEST(WordTrimmerTest, TrimWordsEmptyText) {
11 size_t start = 0;
12 size_t end = 0;
13 EXPECT_EQ(base::string16(), TrimWords(&start, end, base::string16(), 0));
14 EXPECT_EQ(0UL, start);
15 }
16
TEST(WordTrimmerTest,TrimWordsStart)17 TEST(WordTrimmerTest, TrimWordsStart) {
18 size_t start = 0;
19 size_t end = 3;
20 EXPECT_EQ(ASCIIToUTF16("one two three"),
21 TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
22 EXPECT_EQ(0UL, start);
23 }
24
TEST(WordTrimmerTest,TrimWordsEnd)25 TEST(WordTrimmerTest, TrimWordsEnd) {
26 size_t start = 14;
27 size_t end = 18;
28 EXPECT_EQ(ASCIIToUTF16("two three four"),
29 TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
30 EXPECT_EQ(10UL, start);
31 }
32
TEST(WordTrimmerTest,TrimWordsMiddle)33 TEST(WordTrimmerTest, TrimWordsMiddle) {
34 size_t start = 14;
35 size_t end = 23;
36 EXPECT_EQ(ASCIIToUTF16("two three four five six seven"), TrimWords(
37 &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
38 EXPECT_EQ(10UL, start);
39 }
40
TEST(WordTrimmerTest,TrimWordsEmptyKeep)41 TEST(WordTrimmerTest, TrimWordsEmptyKeep) {
42 size_t start = 18;
43 size_t end = 18;
44 EXPECT_EQ(ASCIIToUTF16("two three four five six"), TrimWords(
45 &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
46 EXPECT_EQ(14UL, start);
47 }
48
TEST(WordTrimmerTest,TrimWordsOutOfBounds)49 TEST(WordTrimmerTest, TrimWordsOutOfBounds) {
50 size_t start = 4;
51 size_t end = 5;
52 EXPECT_EQ(ASCIIToUTF16("one"), TrimWords(
53 &start, end, ASCIIToUTF16("one"), 2));
54 EXPECT_EQ(4UL, start);
55 }
56
TEST(WordTrimmerTest,TrimWordsInvalid)57 TEST(WordTrimmerTest, TrimWordsInvalid) {
58 size_t start = 23;
59 size_t end = 14;
60 EXPECT_EQ(ASCIIToUTF16("one two three four five six seven eight"), TrimWords(
61 &start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
62 EXPECT_EQ(23UL, start);
63 }
64