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

   1 //===----------------------------------------------------------------------===//
   2 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   3 // See https://llvm.org/LICENSE.txt for license information.
   4 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   5 //
   6 //===----------------------------------------------------------------------===//
   7
   8 #ifndef TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H
   9 #define TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H
  10
  11 #include <thread>
  12
  13 #include "format.functions.common.h"
  14 #include "test_macros.h"
  15
  16 template <class CharT, class TestFunction, class ExceptionTest>
  17 void format_tests(TestFunction check, ExceptionTest check_exception) {
  18   // Note the output of std::thread::id is unspecified. The output text is the
  19   // same as the stream operator. Since that format is already released this
  20   // test follows the practice on existing systems.
  21   std::thread::id input{};
  22
  23   /***** Test the type specific part *****/
  24 #if !defined(__APPLE__) && !defined(__FreeBSD__)
  25   check(SV("0"), SV("{}"), input);
  26
  27   // *** align-fill & width ***
  28   check(SV("    0"), SV("{:5}"), input);
  29   check(SV("0****"), SV("{:*<5}"), input);
  30   check(SV("__0__"), SV("{:_^5}"), input);
  31   check(SV("::::0"), SV("{::>5}"), input); // This is not a range, so : is allowed as fill character.
  32
  33   check(SV("    0"), SV("{:{}}"), input, 5);
  34   check(SV("0****"), SV("{:*<{}}"), input, 5);
  35   check(SV("__0__"), SV("{:_^{}}"), input, 5);
  36   check(SV("####0"), SV("{:#>{}}"), input, 5);
  37 #else  // !defined(__APPLE__) && !defined(__FreeBSD__)
  38   check(SV("0x0"), SV("{}"), input);
  39
  40   // *** align-fill & width ***
  41   check(SV("    0x0"), SV("{:7}"), input);
  42   check(SV("0x0****"), SV("{:*<7}"), input);
  43   check(SV("__0x0__"), SV("{:_^7}"), input);
  44   check(SV("::::0x0"), SV("{::>7}"), input); // This is not a range, so : is allowed as fill character.
  45
  46   check(SV("    0x0"), SV("{:{}}"), input, 7);
  47   check(SV("0x0****"), SV("{:*<{}}"), input, 7);
  48   check(SV("__0x0__"), SV("{:_^{}}"), input, 7);
  49   check(SV("####0x0"), SV("{:#>{}}"), input, 7);
  50 #endif // !defined(__APPLE__) && !defined(__FreeBSD__)
  51
  52   /***** Test the type generic part *****/
  53   check_exception("The fill option contains an invalid value", SV("{:}<}"), input);
  54   check_exception("The fill option contains an invalid value", SV("{:{<}"), input);
  55
  56   // *** sign ***
  57   check_exception("The replacement field misses a terminating '}'", SV("{:-}"), input);
  58   check_exception("The replacement field misses a terminating '}'", SV("{:+}"), input);
  59   check_exception("The replacement field misses a terminating '}'", SV("{: }"), input);
  60
  61   // *** alternate form ***
  62   check_exception("The replacement field misses a terminating '}'", SV("{:#}"), input);
  63
  64   // *** zero-padding ***
  65   check_exception("The width option should not have a leading zero", SV("{:0}"), input);
  66
  67   // *** precision ***
  68   check_exception("The replacement field misses a terminating '}'", SV("{:.}"), input);
  69
  70   // *** locale-specific form ***
  71   check_exception("The replacement field misses a terminating '}'", SV("{:L}"), input);
  72
  73   // *** type ***
  74   for (std::basic_string_view<CharT> fmt : fmt_invalid_types<CharT>(""))
  75     check_exception("The replacement field misses a terminating '}'", fmt, input);
  76 }
  77
  78 #endif // TEST_STD_THREAD_THREAD_THREADS_THREAD_THREAD_CLASS_THREAD_THREAD_ID_FORMAT_FUNCTIONS_TESTS_H