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// 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;
}
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