/[pcre]/code/trunk/pcre_scanner_unittest.cc
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Contents of /code/trunk/pcre_scanner_unittest.cc

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Revision 77 - (hide annotations) (download)
Sat Feb 24 21:40:45 2007 UTC (7 years, 5 months ago) by nigel
File size: 4498 byte(s)
Load pcre-6.0 into code/trunk.

1 nigel 77 // Copyright (c) 2005, Google Inc.
2     // All rights reserved.
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5     // modification, are permitted provided that the following conditions are
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7     //
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10     // * Redistributions in binary form must reproduce the above
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13     // distribution.
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16     // this software without specific prior written permission.
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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,
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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     s.GetNextComments(&comments);
72     CHECK_EQ(comments.size(), 1);
73     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
74     comments.resize(0);
75    
76     s.Consume(re, &var, &number);
77     CHECK_EQ(var, "bravo");
78     CHECK_EQ(number, 2);
79     s.GetNextComments(&comments);
80     CHECK_EQ(comments.size(), 1);
81     CHECK_EQ(comments[0].as_string(), " // bravo is set here\n");
82     comments.resize(0);
83    
84     s.Consume(re, &var, &number);
85     CHECK_EQ(var, "gamma");
86     CHECK_EQ(number, 33);
87     s.GetNextComments(&comments);
88     CHECK_EQ(comments.size(), 1);
89     CHECK_EQ(comments[0].as_string(), " /* and here is gamma */\n");
90     comments.resize(0);
91    
92     s.GetComments(0, sizeof(input), &comments);
93     CHECK_EQ(comments.size(), 3);
94     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
95     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
96     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
97     comments.resize(0);
98    
99     s.GetComments(0, strchr(input, '/') - input, &comments);
100     CHECK_EQ(comments.size(), 0);
101     comments.resize(0);
102    
103     s.GetComments(strchr(input, '/') - input - 1, sizeof(input),
104     &comments);
105     CHECK_EQ(comments.size(), 3);
106     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
107     CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
108     CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
109     comments.resize(0);
110    
111     s.GetComments(strchr(input, '/') - input - 1,
112     strchr(input + 1, '\n') - input + 1, &comments);
113     CHECK_EQ(comments.size(), 1);
114     CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
115     comments.resize(0);
116     }
117    
118     int main(int argc, char** argv) {
119     TestScanner();
120    
121     // Done
122     printf("OK\n");
123    
124     return 0;
125     }

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