external/bsd/atf/dist/tools/test_helpers.hpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2009 The NetBSD Foundation, Inc.
   5 // All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or without
   8 // modification, are permitted provided that the following conditions
   9 // are met:
  10 // 1. Redistributions of source code must retain the above copyright
  11 //    notice, this list of conditions and the following disclaimer.
  12 // 2. Redistributions in binary form must reproduce the above copyright
  13 //    notice, this list of conditions and the following disclaimer in the
  14 //    documentation and/or other materials provided with the distribution.
  15 //
  16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 //
  29
  30 #if defined(TOOLS_TEST_HELPERS_H)
  31 #   error "Cannot include test_helpers.hpp more than once."
  32 #else
  33 #   define TOOLS_TEST_HELPERS_H
  34 #endif
  35
  36 #include <iostream>
  37 #include <sstream>
  38 #include <utility>
  39
  40 #include <atf-c++.hpp>
  41
  42 #include "parser.hpp"
  43 #include "text.hpp"
  44
  45 namespace test_helpers_detail {
  46
  47 typedef std::vector< std::string > string_vector;
  48
  49 template< class Reader >
  50 std::pair< string_vector, string_vector >
  51 do_read(const char* input)
  52 {
  53     string_vector errors;
  54
  55     std::istringstream is(input);
  56     Reader reader(is);
  57     try {
  58         reader.read();
  59     } catch (const tools::parser::parse_errors& pes) {
  60         for (std::vector< tools::parser::parse_error >::const_iterator iter =
  61              pes.begin(); iter != pes.end(); iter++)
  62             errors.push_back(*iter);
  63     } catch (const tools::parser::parse_error& pe) {
  64         ATF_FAIL("Raised a lonely parse error: " +
  65                  tools::text::to_string(pe.first) + ": " + pe.second);
  66     }
  67
  68     return std::make_pair(reader.m_calls, errors);
  69 }
  70
  71 void
  72 check_equal(const char* expected[], const string_vector& actual)
  73 {
  74     const char** expected_iter = expected;
  75     string_vector::const_iterator actual_iter = actual.begin();
  76
  77     bool equals = true;
  78     while (equals && *expected_iter != NULL && actual_iter != actual.end()) {
  79         if (*expected_iter != *actual_iter) {
  80             equals = false;
  81         } else {
  82             expected_iter++;
  83             actual_iter++;
  84         }
  85     }
  86     if (equals && ((*expected_iter == NULL && actual_iter != actual.end()) ||
  87                    (*expected_iter != NULL && actual_iter == actual.end())))
  88         equals = false;
  89
  90     if (!equals) {
  91         std::cerr << "EXPECTED:\n";
  92         for (expected_iter = expected; *expected_iter != NULL; expected_iter++)
  93             std::cerr << *expected_iter << "\n";
  94
  95         std::cerr << "ACTUAL:\n";
  96         for (actual_iter = actual.begin(); actual_iter != actual.end();
  97              actual_iter++)
  98             std::cerr << *actual_iter << "\n";
  99
 100         ATF_FAIL("Expected results differ to actual values");
 101     }
 102 }
 103
 104 } // namespace test_helpers_detail
 105
 106 template< class Reader >
 107 void
 108 do_parser_test(const char* input, const char* exp_calls[],
 109                const char* exp_errors[])
 110 {
 111     const std::pair< test_helpers_detail::string_vector,
 112                      test_helpers_detail::string_vector >
 113         actual = test_helpers_detail::do_read< Reader >(input);
 114     test_helpers_detail::check_equal(exp_calls, actual.first);
 115     test_helpers_detail::check_equal(exp_errors, actual.second);
 116 }