test_helpers.cpp revision 260578 
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#include <fstream>
31#include <iostream>
32#include <string>
33#include <vector>
34
35#include "../check.hpp"
36#include "../config.hpp"
37#include "../macros.hpp"
38
39#include "fs.hpp"
40#include "process.hpp"
41#include "test_helpers.hpp"
42
43void
44build_check_cxx_o_aux(const atf::fs::path& sfile, const char* failmsg,
45                      const bool expect_pass)
46{
47    std::vector< std::string > optargs;
48    optargs.push_back("-I" + atf::config::get("atf_includedir"));
49    optargs.push_back("-Wall");
50    optargs.push_back("-Werror");
51
52    const bool result = atf::check::build_cxx_o(
53        sfile.str(), "test.o", atf::process::argv_array(optargs));
54    if ((expect_pass && !result) || (!expect_pass && result))
55        ATF_FAIL(failmsg);
56}
57
58void
59build_check_cxx_o(const atf::tests::tc& tc, const char* sfile,
60                  const char* failmsg, const bool expect_pass)
61{
62    const atf::fs::path sfilepath =
63        atf::fs::path(tc.get_config_var("srcdir")) / sfile;
64    build_check_cxx_o_aux(sfilepath, failmsg, expect_pass);
65}
66
67void
68header_check(const char *hdrname)
69{
70    std::ofstream srcfile("test.cpp");
71    ATF_REQUIRE(srcfile);
72    srcfile << "#include <" << hdrname << ">\n";
73    srcfile.close();
74
75    const std::string failmsg = std::string("Header check failed; ") +
76        hdrname + " is not self-contained";
77    build_check_cxx_o_aux(atf::fs::path("test.cpp"), failmsg.c_str(), true);
78}
79
80atf::fs::path
81get_process_helpers_path(const atf::tests::tc& tc, bool is_detail)
82{
83    if (is_detail)
84        return atf::fs::path(tc.get_config_var("srcdir")) /
85               ".." / ".." / "atf-c" / "detail" / "process_helpers";
86    else
87        return atf::fs::path(tc.get_config_var("srcdir")) /
88               ".." / "atf-c" / "detail" / "process_helpers";
89}
90
91void
92test_helpers_detail::check_equal(const char* expected[],
93                                 const string_vector& actual)
94{
95    const char** expected_iter = expected;
96    string_vector::const_iterator actual_iter = actual.begin();
97
98    bool equals = true;
99    while (equals && *expected_iter != NULL && actual_iter != actual.end()) {
100        if (*expected_iter != *actual_iter) {
101            equals = false;
102        } else {
103            expected_iter++;
104            actual_iter++;
105        }
106    }
107    if (equals && ((*expected_iter == NULL && actual_iter != actual.end()) ||
108                   (*expected_iter != NULL && actual_iter == actual.end())))
109        equals = false;
110
111    if (!equals) {
112        std::cerr << "EXPECTED:\n";
113        for (expected_iter = expected; *expected_iter != NULL; expected_iter++)
114            std::cerr << *expected_iter << "\n";
115
116        std::cerr << "ACTUAL:\n";
117        for (actual_iter = actual.begin(); actual_iter != actual.end();
118             actual_iter++)
119            std::cerr << *actual_iter << "\n";
120
121        ATF_FAIL("Expected results differ to actual values");
122    }
123}
124