libcxx/test/std/diagnostics/std.exceptions/range.error/range_error.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // test range_error
  10
  11 #include <stdexcept>
  12 #include <type_traits>
  13 #include <cstring>
  14 #include <string>
  15 #include <cassert>
  16
  17 #include "test_macros.h"
  18
  19 int main(int, char**)
  20 {
  21     static_assert((std::is_base_of<std::runtime_error, std::range_error>::value),
  22                  "std::is_base_of<std::runtime_error, std::range_error>::value");
  23     static_assert(std::is_polymorphic<std::range_error>::value,
  24                  "std::is_polymorphic<std::range_error>::value");
  25     {
  26     const char* msg = "range_error message";
  27     std::range_error e(msg);
  28     assert(std::strcmp(e.what(), msg) == 0);
  29     std::range_error e2(e);
  30     assert(std::strcmp(e2.what(), msg) == 0);
  31     e2 = e;
  32     assert(std::strcmp(e2.what(), msg) == 0);
  33     }
  34     {
  35     std::string msg("another range_error message");
  36     std::range_error e(msg);
  37     assert(e.what() == msg);
  38     std::range_error e2(e);
  39     assert(e2.what() == msg);
  40     e2 = e;
  41     assert(e2.what() == msg);
  42     }
  43
  44   return 0;
  45 }