external/bsd/kyua-cli/dist/utils/process/fdstream_test.cpp

   1 // Copyright 2010 Google Inc.
   2 // All rights reserved.
   3 //
   4 // Redistribution and use in source and binary forms, with or without
   5 // modification, are permitted provided that the following conditions are
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   7 //
   8 // * Redistributions of source code must retain the above copyright
   9 //   notice, this list of conditions and the following disclaimer.
  10 // * Redistributions in binary form must reproduce the above copyright
  11 //   notice, this list of conditions and the following disclaimer in the
  12 //   documentation and/or other materials provided with the distribution.
  13 // * Neither the name of Google Inc. nor the names of its contributors
  14 //   may be used to endorse or promote products derived from this software
  15 //   without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 #include "utils/process/fdstream.hpp"
  30
  31 extern "C" {
  32 #include <unistd.h>
  33 }
  34
  35 #include <atf-c++.hpp>
  36
  37 #include "utils/process/systembuf.hpp"
  38
  39 using utils::process::ifdstream;
  40 using utils::process::systembuf;
  41
  42
  43 ATF_TEST_CASE(ifdstream);
  44 ATF_TEST_CASE_HEAD(ifdstream)
  45 {
  46     set_md_var("descr", "Tests the ifdstream class");
  47 }
  48 ATF_TEST_CASE_BODY(ifdstream)
  49 {
  50     int fds[2];
  51     ATF_REQUIRE(::pipe(fds) != -1);
  52
  53     ifdstream rend(fds[0]);
  54
  55     systembuf wbuf(fds[1]);
  56     std::ostream wend(&wbuf);
  57
  58     // XXX This assumes that the pipe's buffer is big enough to accept
  59     // the data written without blocking!
  60     wend << "1Test 1message\n";
  61     wend.flush();
  62     std::string tmp;
  63     rend >> tmp;
  64     ATF_REQUIRE_EQ(tmp, "1Test");
  65     rend >> tmp;
  66     ATF_REQUIRE_EQ(tmp, "1message");
  67 }
  68
  69
  70 ATF_INIT_TEST_CASES(tcs)
  71 {
  72     ATF_ADD_TEST_CASE(tcs, ifdstream);
  73 }