127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
// Copyright (c) 2005, Google Inc.
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Author: Greg J. Badros
|
|
//
|
|
// Unittest for scanner, especially GetNextComments and GetComments()
|
|
// functionality.
|
|
|
|
#include <stdio.h>
|
|
#include <vector>
|
|
#include <pcre_stringpiece.h>
|
|
#include <pcre_scanner.h>
|
|
|
|
// Dies with a fatal error if the two values are not equal.
|
|
#define CHECK_EQ(a, b) do { \
|
|
if ( (a) != (b) ) { \
|
|
fprintf(stderr, "%s:%d: Check failed because %s != %s\n", \
|
|
__FILE__, __LINE__, #a, #b); \
|
|
exit(1); \
|
|
} \
|
|
} while (0)
|
|
|
|
using std::vector;
|
|
using pcrecpp::StringPiece;
|
|
using pcrecpp::Scanner;
|
|
|
|
static void TestScanner() {
|
|
const char input[] = "\n"
|
|
"alpha = 1; // this sets alpha\n"
|
|
"bravo = 2; // bravo is set here\n"
|
|
"gamma = 33; /* and here is gamma */\n";
|
|
|
|
const char *re = "(\\w+) = (\\d+);";
|
|
|
|
Scanner s(input);
|
|
string var;
|
|
int number;
|
|
s.SkipCXXComments();
|
|
s.set_save_comments(true);
|
|
vector<StringPiece> comments;
|
|
|
|
s.Consume(re, &var, &number);
|
|
CHECK_EQ(var, "alpha");
|
|
CHECK_EQ(number, 1);
|
|
CHECK_EQ(s.LineNumber(), 3);
|
|
s.GetNextComments(&comments);
|
|
CHECK_EQ(comments.size(), 1);
|
|
CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
|
|
comments.resize(0);
|
|
|
|
s.Consume(re, &var, &number);
|
|
CHECK_EQ(var, "bravo");
|
|
CHECK_EQ(number, 2);
|
|
s.GetNextComments(&comments);
|
|
CHECK_EQ(comments.size(), 1);
|
|
CHECK_EQ(comments[0].as_string(), " // bravo is set here\n");
|
|
comments.resize(0);
|
|
|
|
s.Consume(re, &var, &number);
|
|
CHECK_EQ(var, "gamma");
|
|
CHECK_EQ(number, 33);
|
|
s.GetNextComments(&comments);
|
|
CHECK_EQ(comments.size(), 1);
|
|
CHECK_EQ(comments[0].as_string(), " /* and here is gamma */\n");
|
|
comments.resize(0);
|
|
|
|
s.GetComments(0, sizeof(input), &comments);
|
|
CHECK_EQ(comments.size(), 3);
|
|
CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
|
|
CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
|
|
CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
|
|
comments.resize(0);
|
|
|
|
s.GetComments(0, strchr(input, '/') - input, &comments);
|
|
CHECK_EQ(comments.size(), 0);
|
|
comments.resize(0);
|
|
|
|
s.GetComments(strchr(input, '/') - input - 1, sizeof(input),
|
|
&comments);
|
|
CHECK_EQ(comments.size(), 3);
|
|
CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
|
|
CHECK_EQ(comments[1].as_string(), " // bravo is set here\n");
|
|
CHECK_EQ(comments[2].as_string(), " /* and here is gamma */\n");
|
|
comments.resize(0);
|
|
|
|
s.GetComments(strchr(input, '/') - input - 1,
|
|
strchr(input + 1, '\n') - input + 1, &comments);
|
|
CHECK_EQ(comments.size(), 1);
|
|
CHECK_EQ(comments[0].as_string(), " // this sets alpha\n");
|
|
comments.resize(0);
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
TestScanner();
|
|
|
|
// Done
|
|
printf("OK\n");
|
|
|
|
return 0;
|
|
}
|