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Contents of /code/trunk/pcre_scanner_unittest.cc

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Revision 248 - (hide annotations) (download)
Mon Sep 17 10:09:22 2007 UTC (7 years, 2 months ago) by ph10
File size: 5243 byte(s)
Change condition for the macros for snprintf and strtoll from _WIN32 to 
HAVE_WINDOWS_H because they are needed only when windows.h is present.

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 ph10 200 #ifdef HAVE_CONFIG_H
36 ph10 236 #include "config.h"
37 ph10 200 #endif
38 ph10 199
39 nigel 77 #include <stdio.h>
40 nigel 93 #include <string>
41 nigel 77 #include <vector>
42 ph10 199
43 ph10 236 #include "pcrecpp.h"
44     #include "pcre_stringpiece.h"
45     #include "pcre_scanner.h"
46 nigel 77
47 ph10 248 #ifdef HAVE_WINDOWS_H
48 ph10 144 # define snprintf _snprintf
49     #endif
50    
51 nigel 93 #define FLAGS_unittest_stack_size 49152
52    
53 nigel 77 // Dies with a fatal error if the two values are not equal.
54     #define CHECK_EQ(a, b) do { \
55     if ( (a) != (b) ) { \
56     fprintf(stderr, "%s:%d: Check failed because %s != %s\n", \
57     __FILE__, __LINE__, #a, #b); \
58     exit(1); \
59     } \
60     } while (0)
61    
62     using std::vector;
63     using pcrecpp::StringPiece;
64     using pcrecpp::Scanner;
65    
66     static void TestScanner() {
67     const char input[] = "\n"
68     "alpha = 1; // this sets alpha\n"
69     "bravo = 2; // bravo is set here\n"
70     "gamma = 33; /* and here is gamma */\n";
71    
72     const char *re = "(\\w+) = (\\d+);";
73    
74     Scanner s(input);
75     string var;
76     int number;
77     s.SkipCXXComments();
78     s.set_save_comments(true);
79     vector<StringPiece> comments;
80    
81     s.Consume(re, &var, &number);
82     CHECK_EQ(var, "alpha");
83     CHECK_EQ(number, 1);
84 nigel 87 CHECK_EQ(s.LineNumber(), 3);
85 nigel 77 s.GetNextComments(&comments);
86     CHECK_EQ(comments.size(), 1);
87     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
88     comments.resize(0);
89    
90     s.Consume(re, &var, &number);
91     CHECK_EQ(var, "bravo");
92     CHECK_EQ(number, 2);
93     s.GetNextComments(&comments);
94     CHECK_EQ(comments.size(), 1);
95     CHECK_EQ(comments[0].as_string(), " // bravo is set here\n");
96     comments.resize(0);
97    
98     s.Consume(re, &var, &number);
99     CHECK_EQ(var, "gamma");
100     CHECK_EQ(number, 33);
101     s.GetNextComments(&comments);
102     CHECK_EQ(comments.size(), 1);
103     CHECK_EQ(comments[0].as_string(), " /* and here is gamma */\n");
104     comments.resize(0);
105    
106     s.GetComments(0, sizeof(input), &comments);
107     CHECK_EQ(comments.size(), 3);
108     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
109     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
110     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
111     comments.resize(0);
112    
113     s.GetComments(0, strchr(input, '/') - input, &comments);
114     CHECK_EQ(comments.size(), 0);
115     comments.resize(0);
116    
117     s.GetComments(strchr(input, '/') - input - 1, sizeof(input),
118     &comments);
119     CHECK_EQ(comments.size(), 3);
120     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
121     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
122     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
123     comments.resize(0);
124    
125     s.GetComments(strchr(input, '/') - input - 1,
126     strchr(input + 1, '\n') - input + 1, &comments);
127     CHECK_EQ(comments.size(), 1);
128     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
129     comments.resize(0);
130     }
131    
132 nigel 93 static void TestBigComment() {
133     string input;
134     for (int i = 0; i < 1024; ++i) {
135     char buf[1024];
136     snprintf(buf, sizeof(buf), " # Comment %d\n", i);
137     input += buf;
138     }
139     input += "name = value;\n";
140    
141     Scanner s(input.c_str());
142     s.SetSkipExpression("\\s+|#.*\n");
143    
144     string name;
145     string value;
146     s.Consume("(\\w+) = (\\w+);", &name, &value);
147     CHECK_EQ(name, "name");
148     CHECK_EQ(value, "value");
149     }
150    
151     // TODO: also test scanner and big-comment in a thread with a
152     // small stack size
153    
154 nigel 77 int main(int argc, char** argv) {
155     TestScanner();
156 nigel 93 TestBigComment();
157 nigel 77
158     // Done
159     printf("OK\n");
160    
161     return 0;
162     }

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