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
45namespace test_helpers_detail {
46
47typedef std::vector< std::string > string_vector;
48
49template< class Reader >
50std::pair< string_vector, string_vector >
51do_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
71void
72check_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
106template< class Reader >
107void
108do_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}
117