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 // Path to the directory containing the libatf-c tests, used to locate the
  44 // process_helpers program.  If NULL (the default), the code will use a
  45 // relative path.  Otherwise, the provided path will be used; this is so
  46 // that we can locate the helpers binary if the installation uses a
  47 // different layout than the one we provide (as is the case in FreeBSD).
  48 #if defined(ATF_C_TESTS_BASE)
  49 static const char* atf_c_tests_base = ATF_C_TESTS_BASE;
  50 #else
  51 static const char* atf_c_tests_base = NULL;
  52 #endif
  53 #undef ATF_C_TESTS_BASE
  54
  55 bool
  56 build_check_cxx_o(const char* sfile)
  57 {
  58     std::vector< std::string > optargs;
  59     optargs.push_back("-I" + atf::config::get("atf_includedir"));
  60     optargs.push_back("-Wall");
  61     optargs.push_back("-Werror");
  62
  63     return atf::check::build_cxx_o(sfile, "test.o",
  64                                    atf::process::argv_array(optargs));
  65 }
  66
  67 bool
  68 build_check_cxx_o_srcdir(const atf::tests::tc& tc, const char* sfile)
  69 {
  70     const atf::fs::path sfilepath =
  71         atf::fs::path(tc.get_config_var("srcdir")) / sfile;
  72     return build_check_cxx_o(sfilepath.c_str());
  73 }
  74
  75 void
  76 header_check(const char *hdrname)
  77 {
  78     std::ofstream srcfile("test.cpp");
  79     ATF_REQUIRE(srcfile);
  80     srcfile << "#include <" << hdrname << ">\n";
  81     srcfile.close();
  82
  83     const std::string failmsg = std::string("Header check failed; ") +
  84         hdrname + " is not self-contained";
  85     if (!build_check_cxx_o("test.cpp"))
  86         ATF_FAIL(failmsg);
  87 }
  88
  89 atf::fs::path
  90 get_process_helpers_path(const atf::tests::tc& tc, bool is_detail)
  91 {
  92     const char* helper = "detail/process_helpers";
  93     if (atf_c_tests_base == NULL) {
  94         if (is_detail)
  95             return atf::fs::path(tc.get_config_var("srcdir")) /
  96                    ".." / ".." / "atf-c" / helper;
  97         else
  98             return atf::fs::path(tc.get_config_var("srcdir")) /
  99                    ".." / "atf-c" / helper;
 100     } else {
 101         return atf::fs::path(atf_c_tests_base) / helper;
 102     }
 103 }