libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.tests.h

   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 #ifndef TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H
  10 #define TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H
  11
  12 #include <thread>
  13
  14 #include "format.functions.common.h"
  15 #include "test_macros.h"
  16
  17 template <class CharT, class TestFunction, class ExceptionTest>
  18 void format_tests(TestFunction check, ExceptionTest check_exception) {
  19   // Note the output of std::thread::id is unspecified. The output text is the
  20   // same as the stream operator. Since that format is already released this
  21   // test follows the practice on existing systems.
  22   std::thread::id input{};
  23
  24   /***** Test the type specific part *****/
  25 #if !defined(__APPLE__) && !defined(__FreeBSD__)
  26   check(SV("0"), SV("{}"), input);
  27   check(SV("0^42"), SV("{}^42"), input);
  28   check(SV("0^42"), SV("{:}^42"), input);
  29
  30   // *** align-fill & width ***
  31   check(SV("    0"), SV("{:5}"), input);
  32   check(SV("0****"), SV("{:*<5}"), input);
  33   check(SV("__0__"), SV("{:_^5}"), input);
  34   check(SV("::::0"), SV("{::>5}"), input); // This is not a range, so : is allowed as fill character.
  35
  36   check(SV("    0"), SV("{:{}}"), input, 5);
  37   check(SV("0****"), SV("{:*<{}}"), input, 5);
  38   check(SV("__0__"), SV("{:_^{}}"), input, 5);
  39   check(SV("####0"), SV("{:#>{}}"), input, 5);
  40 #else  // !defined(__APPLE__) && !defined(__FreeBSD__)
  41   check(SV("0x0"), SV("{}"), input);
  42   check(SV("0x0^42"), SV("{}^42"), input);
  43   check(SV("0x0^42"), SV("{:}^42"), input);
  44
  45   // *** align-fill & width ***
  46   check(SV("    0x0"), SV("{:7}"), input);
  47   check(SV("0x0****"), SV("{:*<7}"), input);
  48   check(SV("__0x0__"), SV("{:_^7}"), input);
  49   check(SV("::::0x0"), SV("{::>7}"), input); // This is not a range, so : is allowed as fill character.
  50
  51   check(SV("    0x0"), SV("{:{}}"), input, 7);
  52   check(SV("0x0****"), SV("{:*<{}}"), input, 7);
  53   check(SV("__0x0__"), SV("{:_^{}}"), input, 7);
  54   check(SV("####0x0"), SV("{:#>{}}"), input, 7);
  55 #endif // !defined(__APPLE__) && !defined(__FreeBSD__)
  56
  57   /***** Test the type generic part *****/
  58   check_exception("The format string contains an invalid escape sequence", SV("{:}<}"), input);
  59   check_exception("The fill option contains an invalid value", SV("{:{<}"), input);
  60
  61   // *** sign ***
  62   check_exception("The replacement field misses a terminating '}'", SV("{:-}"), input);
  63   check_exception("The replacement field misses a terminating '}'", SV("{:+}"), input);
  64   check_exception("The replacement field misses a terminating '}'", SV("{: }"), input);
  65
  66   // *** alternate form ***
  67   check_exception("The replacement field misses a terminating '}'", SV("{:#}"), input);
  68
  69   // *** zero-padding ***
  70   check_exception("The width option should not have a leading zero", SV("{:0}"), input);
  71
  72   // *** precision ***
  73   check_exception("The replacement field misses a terminating '}'", SV("{:.}"), input);
  74
  75   // *** locale-specific form ***
  76   check_exception("The replacement field misses a terminating '}'", SV("{:L}"), input);
  77
  78   // *** type ***
  79   for (std::basic_string_view<CharT> fmt : fmt_invalid_types<CharT>(""))
  80     check_exception("The replacement field misses a terminating '}'", fmt, input);
  81 }
  82
  83 #endif // TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H