external/bsd/atf/dist/atf-c++/detail/test_helpers.cpp

   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
  43 void
  44 build_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
  58 void
  59 build_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
  67 void
  68 header_check(const char *hdrname)
  69 {
  70     std::ofstream srcfile("test.c");
  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.c"), failmsg.c_str(), true);
  78 }
  79
  80 atf::fs::path
  81 get_process_helpers_path(const atf::tests::tc& tc)
  82 {
  83     return atf::fs::path(tc.get_config_var("srcdir")) /
  84            ".." / "atf-c" / "detail" / "process_helpers";
  85 }
  86
  87 void
  88 test_helpers_detail::check_equal(const char* expected[],
  89                                  const string_vector& actual)
  90 {
  91     const char** expected_iter = expected;
  92     string_vector::const_iterator actual_iter = actual.begin();
  93
  94     bool equals = true;
  95     while (equals && *expected_iter != NULL && actual_iter != actual.end()) {
  96         if (*expected_iter != *actual_iter) {
  97             equals = false;
  98         } else {
  99             expected_iter++;
 100             actual_iter++;
 101         }
 102     }
 103     if (equals && ((*expected_iter == NULL && actual_iter != actual.end()) ||
 104                    (*expected_iter != NULL && actual_iter == actual.end())))
 105         equals = false;
 106
 107     if (!equals) {
 108         std::cerr << "EXPECTED:\n";
 109         for (expected_iter = expected; *expected_iter != NULL; expected_iter++)
 110             std::cerr << *expected_iter << "\n";
 111
 112         std::cerr << "ACTUAL:\n";
 113         for (actual_iter = actual.begin(); actual_iter != actual.end();
 114              actual_iter++)
 115             std::cerr << *actual_iter << "\n";
 116
 117         ATF_FAIL("Expected results differ to actual values");
 118     }
 119 }