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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/i18n/char_iterator.h" | 5 #include "base/i18n/char_iterator.h" |
6 | 6 |
7 #include "base/utf_string_conversions.h" | 7 #include "base/utf_string_conversions.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
| 10 namespace base { |
| 11 namespace i18n { |
| 12 |
10 TEST(CharIteratorsTest, TestUTF8) { | 13 TEST(CharIteratorsTest, TestUTF8) { |
11 std::string empty(""); | 14 std::string empty(""); |
12 base::UTF8CharIterator empty_iter(&empty); | 15 UTF8CharIterator empty_iter(&empty); |
13 ASSERT_TRUE(empty_iter.end()); | 16 ASSERT_TRUE(empty_iter.end()); |
14 ASSERT_EQ(0, empty_iter.array_pos()); | 17 ASSERT_EQ(0, empty_iter.array_pos()); |
15 ASSERT_EQ(0, empty_iter.char_pos()); | 18 ASSERT_EQ(0, empty_iter.char_pos()); |
16 ASSERT_FALSE(empty_iter.Advance()); | 19 ASSERT_FALSE(empty_iter.Advance()); |
17 | 20 |
18 std::string str("s\303\273r"); // [u with circumflex] | 21 std::string str("s\303\273r"); // [u with circumflex] |
19 base::UTF8CharIterator iter(&str); | 22 UTF8CharIterator iter(&str); |
20 ASSERT_FALSE(iter.end()); | 23 ASSERT_FALSE(iter.end()); |
21 ASSERT_EQ(0, iter.array_pos()); | 24 ASSERT_EQ(0, iter.array_pos()); |
22 ASSERT_EQ(0, iter.char_pos()); | 25 ASSERT_EQ(0, iter.char_pos()); |
23 ASSERT_EQ('s', iter.get()); | 26 ASSERT_EQ('s', iter.get()); |
24 ASSERT_TRUE(iter.Advance()); | 27 ASSERT_TRUE(iter.Advance()); |
25 | 28 |
26 ASSERT_FALSE(iter.end()); | 29 ASSERT_FALSE(iter.end()); |
27 ASSERT_EQ(1, iter.array_pos()); | 30 ASSERT_EQ(1, iter.array_pos()); |
28 ASSERT_EQ(1, iter.char_pos()); | 31 ASSERT_EQ(1, iter.char_pos()); |
29 ASSERT_EQ(251, iter.get()); | 32 ASSERT_EQ(251, iter.get()); |
(...skipping 10 matching lines...) Expand all Loading... |
40 ASSERT_EQ(3, iter.char_pos()); | 43 ASSERT_EQ(3, iter.char_pos()); |
41 | 44 |
42 // Don't care what it returns, but this shouldn't crash | 45 // Don't care what it returns, but this shouldn't crash |
43 iter.get(); | 46 iter.get(); |
44 | 47 |
45 ASSERT_FALSE(iter.Advance()); | 48 ASSERT_FALSE(iter.Advance()); |
46 } | 49 } |
47 | 50 |
48 TEST(CharIteratorsTest, TestUTF16) { | 51 TEST(CharIteratorsTest, TestUTF16) { |
49 string16 empty = UTF8ToUTF16(""); | 52 string16 empty = UTF8ToUTF16(""); |
50 base::UTF16CharIterator empty_iter(&empty); | 53 UTF16CharIterator empty_iter(&empty); |
51 ASSERT_TRUE(empty_iter.end()); | 54 ASSERT_TRUE(empty_iter.end()); |
52 ASSERT_EQ(0, empty_iter.array_pos()); | 55 ASSERT_EQ(0, empty_iter.array_pos()); |
53 ASSERT_EQ(0, empty_iter.char_pos()); | 56 ASSERT_EQ(0, empty_iter.char_pos()); |
54 ASSERT_FALSE(empty_iter.Advance()); | 57 ASSERT_FALSE(empty_iter.Advance()); |
55 | 58 |
56 // This test string contains 4 characters: | 59 // This test string contains 4 characters: |
57 // x | 60 // x |
58 // u with circumflex - 2 bytes in UTF8, 1 codeword in UTF16 | 61 // u with circumflex - 2 bytes in UTF8, 1 codeword in UTF16 |
59 // math double-struck A - 4 bytes in UTF8, 2 codewords in UTF16 | 62 // math double-struck A - 4 bytes in UTF8, 2 codewords in UTF16 |
60 // z | 63 // z |
61 string16 str = UTF8ToUTF16("x\303\273\360\235\224\270z"); | 64 string16 str = UTF8ToUTF16("x\303\273\360\235\224\270z"); |
62 base::UTF16CharIterator iter(&str); | 65 UTF16CharIterator iter(&str); |
63 ASSERT_FALSE(iter.end()); | 66 ASSERT_FALSE(iter.end()); |
64 ASSERT_EQ(0, iter.array_pos()); | 67 ASSERT_EQ(0, iter.array_pos()); |
65 ASSERT_EQ(0, iter.char_pos()); | 68 ASSERT_EQ(0, iter.char_pos()); |
66 ASSERT_EQ('x', iter.get()); | 69 ASSERT_EQ('x', iter.get()); |
67 ASSERT_TRUE(iter.Advance()); | 70 ASSERT_TRUE(iter.Advance()); |
68 | 71 |
69 ASSERT_FALSE(iter.end()); | 72 ASSERT_FALSE(iter.end()); |
70 ASSERT_EQ(1, iter.array_pos()); | 73 ASSERT_EQ(1, iter.array_pos()); |
71 ASSERT_EQ(1, iter.char_pos()); | 74 ASSERT_EQ(1, iter.char_pos()); |
72 ASSERT_EQ(251, iter.get()); | 75 ASSERT_EQ(251, iter.get()); |
(...skipping 13 matching lines...) Expand all Loading... |
86 | 89 |
87 ASSERT_TRUE(iter.end()); | 90 ASSERT_TRUE(iter.end()); |
88 ASSERT_EQ(5, iter.array_pos()); | 91 ASSERT_EQ(5, iter.array_pos()); |
89 ASSERT_EQ(4, iter.char_pos()); | 92 ASSERT_EQ(4, iter.char_pos()); |
90 | 93 |
91 // Don't care what it returns, but this shouldn't crash | 94 // Don't care what it returns, but this shouldn't crash |
92 iter.get(); | 95 iter.get(); |
93 | 96 |
94 ASSERT_FALSE(iter.Advance()); | 97 ASSERT_FALSE(iter.Advance()); |
95 } | 98 } |
| 99 |
| 100 } // namespace i18n |
| 101 } // namespace base |
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