/[pcre]/code/trunk/pcre_scanner_unittest.cc
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revision 77 by nigel, Sat Feb 24 21:40:45 2007 UTC revision 200 by ph10, Wed Aug 1 09:10:40 2007 UTC
# Line 32  Line 32 
32  // Unittest for scanner, especially GetNextComments and GetComments()  // Unittest for scanner, especially GetNextComments and GetComments()
33  // functionality.  // functionality.
34    
35    #ifdef HAVE_CONFIG_H
36    #include <config.h>
37    #endif
38    
39  #include <stdio.h>  #include <stdio.h>
40    #include <string>
41  #include <vector>  #include <vector>
42    
43    #include <pcrecpp.h>
44  #include <pcre_stringpiece.h>  #include <pcre_stringpiece.h>
45  #include <pcre_scanner.h>  #include <pcre_scanner.h>
46    
47    #ifdef _WIN32
48    #  define snprintf _snprintf
49    #endif
50    
51    #define FLAGS_unittest_stack_size   49152
52    
53  // Dies with a fatal error if the two values are not equal.  // Dies with a fatal error if the two values are not equal.
54  #define CHECK_EQ(a, b)  do {                                    \  #define CHECK_EQ(a, b)  do {                                    \
55    if ( (a) != (b) ) {                                           \    if ( (a) != (b) ) {                                           \
# Line 68  static void TestScanner() { Line 81  static void TestScanner() {
81    s.Consume(re, &var, &number);    s.Consume(re, &var, &number);
82    CHECK_EQ(var, "alpha");    CHECK_EQ(var, "alpha");
83    CHECK_EQ(number, 1);    CHECK_EQ(number, 1);
84      CHECK_EQ(s.LineNumber(), 3);
85    s.GetNextComments(&comments);    s.GetNextComments(&comments);
86    CHECK_EQ(comments.size(), 1);    CHECK_EQ(comments.size(), 1);
87    CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");    CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
# Line 115  static void TestScanner() { Line 129  static void TestScanner() {
129    comments.resize(0);    comments.resize(0);
130  }  }
131    
132    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  int main(int argc, char** argv) {  int main(int argc, char** argv) {
155    TestScanner();    TestScanner();
156      TestBigComment();
157    
158    // Done    // Done
159    printf("OK\n");    printf("OK\n");
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