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 "base/utf_string_conversions.h"
6#include "chrome/browser/autofill/autofill_field.h"
7#include "chrome/browser/autofill/form_field.h"
8#include "testing/gtest/include/gtest/gtest.h"
9
10namespace {
11
12TEST(FormFieldTest, Match) {
13  AutofillField field;
14
15  // Empty strings match.
16  EXPECT_TRUE(FormField::Match(&field, string16(), true));
17
18  // Empty pattern matches non-empty string.
19  field.label = ASCIIToUTF16("a");
20  EXPECT_TRUE(FormField::Match(&field, string16(), true));
21
22  // Strictly empty pattern matches empty string.
23  field.label = ASCIIToUTF16("");
24  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^$"), true));
25
26  // Strictly empty pattern does not match non-empty string.
27  field.label = ASCIIToUTF16("a");
28  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^$"), true));
29
30  // Non-empty pattern doesn't match empty string.
31  field.label = string16();
32  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("a"), true));
33
34  // Beginning of line.
35  field.label = ASCIIToUTF16("head_tail");
36  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^head"), true));
37  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^tail"), true));
38
39  // End of line.
40  field.label = ASCIIToUTF16("head_tail");
41  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("head$"), true));
42  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("tail$"), true));
43
44  // Exact.
45  field.label = ASCIIToUTF16("head_tail");
46  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^head$"), true));
47  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^tail$"), true));
48  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^head_tail$"), true));
49
50  // Escaped dots.
51  field.label = ASCIIToUTF16("m.i.");
52  // Note: This pattern is misleading as the "." characters are wild cards.
53  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m.i."), true));
54  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m\\.i\\."), true));
55  field.label = ASCIIToUTF16("mXiX");
56  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m.i."), true));
57  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("m\\.i\\."), true));
58
59  // Repetition.
60  field.label = ASCIIToUTF16("headtail");
61  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"), true));
62  field.label = ASCIIToUTF16("headXtail");
63  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"), true));
64  field.label = ASCIIToUTF16("headXXXtail");
65  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"), true));
66  field.label = ASCIIToUTF16("headtail");
67  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("head.+tail"), true));
68  field.label = ASCIIToUTF16("headXtail");
69  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.+tail"), true));
70  field.label = ASCIIToUTF16("headXXXtail");
71  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.+tail"), true));
72
73  // Alternation.
74  field.label = ASCIIToUTF16("head_tail");
75  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head|other"), true));
76  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("tail|other"), true));
77  EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("bad|good"), true));
78
79  // Case sensitivity.
80  field.label = ASCIIToUTF16("xxxHeAd_tAiLxxx");
81  EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head_tail"), true));
82}
83
84}  // namespace
85