/[pcre]/code/tags/pcre-6.7/pcre_scanner_unittest.cc
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Contents of /code/tags/pcre-6.7/pcre_scanner_unittest.cc

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Revision 87 - (hide annotations) (download)
Sat Feb 24 21:41:21 2007 UTC (7 years, 7 months ago) by nigel
Original Path: code/trunk/pcre_scanner_unittest.cc
File size: 4529 byte(s)
Load pcre-6.5 into code/trunk.

1 nigel 77 // Copyright (c) 2005, Google Inc.
2     // All rights reserved.
3     //
4     // Redistribution and use in source and binary forms, with or without
5     // modification, are permitted provided that the following conditions are
6     // met:
7     //
8     // * Redistributions of source code must retain the above copyright
9     // notice, this list of conditions and the following disclaimer.
10     // * Redistributions in binary form must reproduce the above
11     // copyright notice, this list of conditions and the following disclaimer
12     // in the documentation and/or other materials provided with the
13     // distribution.
14     // * Neither the name of Google Inc. nor the names of its
15     // contributors may be used to endorse or promote products derived from
16     // this software without specific prior written permission.
17     //
18     // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19     // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20     // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21     // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22     // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23     // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24     // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25     // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26     // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27     // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28     // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29     //
30     // Author: Greg J. Badros
31     //
32     // Unittest for scanner, especially GetNextComments and GetComments()
33     // functionality.
34    
35     #include <stdio.h>
36     #include <vector>
37     #include <pcre_stringpiece.h>
38     #include <pcre_scanner.h>
39    
40     // Dies with a fatal error if the two values are not equal.
41     #define CHECK_EQ(a, b) do { \
42     if ( (a) != (b) ) { \
43     fprintf(stderr, "%s:%d: Check failed because %s != %s\n", \
44     __FILE__, __LINE__, #a, #b); \
45     exit(1); \
46     } \
47     } while (0)
48    
49     using std::vector;
50     using pcrecpp::StringPiece;
51     using pcrecpp::Scanner;
52    
53     static void TestScanner() {
54     const char input[] = "\n"
55     "alpha = 1; // this sets alpha\n"
56     "bravo = 2; // bravo is set here\n"
57     "gamma = 33; /* and here is gamma */\n";
58    
59     const char *re = "(\\w+) = (\\d+);";
60    
61     Scanner s(input);
62     string var;
63     int number;
64     s.SkipCXXComments();
65     s.set_save_comments(true);
66     vector<StringPiece> comments;
67    
68     s.Consume(re, &var, &number);
69     CHECK_EQ(var, "alpha");
70     CHECK_EQ(number, 1);
71 nigel 87 CHECK_EQ(s.LineNumber(), 3);
72 nigel 77 s.GetNextComments(&comments);
73     CHECK_EQ(comments.size(), 1);
74     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
75     comments.resize(0);
76    
77     s.Consume(re, &var, &number);
78     CHECK_EQ(var, "bravo");
79     CHECK_EQ(number, 2);
80     s.GetNextComments(&comments);
81     CHECK_EQ(comments.size(), 1);
82     CHECK_EQ(comments[0].as_string(), " // bravo is set here\n");
83     comments.resize(0);
84    
85     s.Consume(re, &var, &number);
86     CHECK_EQ(var, "gamma");
87     CHECK_EQ(number, 33);
88     s.GetNextComments(&comments);
89     CHECK_EQ(comments.size(), 1);
90     CHECK_EQ(comments[0].as_string(), " /* and here is gamma */\n");
91     comments.resize(0);
92    
93     s.GetComments(0, sizeof(input), &comments);
94     CHECK_EQ(comments.size(), 3);
95     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
96     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
97     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
98     comments.resize(0);
99    
100     s.GetComments(0, strchr(input, '/') - input, &comments);
101     CHECK_EQ(comments.size(), 0);
102     comments.resize(0);
103    
104     s.GetComments(strchr(input, '/') - input - 1, sizeof(input),
105     &comments);
106     CHECK_EQ(comments.size(), 3);
107     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
108     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
109     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
110     comments.resize(0);
111    
112     s.GetComments(strchr(input, '/') - input - 1,
113     strchr(input + 1, '\n') - input + 1, &comments);
114     CHECK_EQ(comments.size(), 1);
115     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
116     comments.resize(0);
117     }
118    
119     int main(int argc, char** argv) {
120     TestScanner();
121    
122     // Done
123     printf("OK\n");
124    
125     return 0;
126     }

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