gdb/unittests/common-utils-selftests.c

   1 /* Self tests for general utility routines for GDB, the GNU debugger.
   2
   3    Copyright (C) 2016-2017 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "common-defs.h"
  21 #include "selftest.h"
  22
  23 namespace selftests {
  24
  25 static void
  26 string_printf_tests ()
  27 {
  28   SELF_CHECK (string_printf ("%s", "") == "");
  29   SELF_CHECK (string_printf ("%d comes before 2", 1) == "1 comes before 2");
  30   SELF_CHECK (string_printf ("hello %s", "world") == "hello world");
  31
  32 #define X10 "0123456789"
  33 #define X100 X10 X10 X10 X10 X10 X10 X10 X10 X10 X10
  34 #define X1000 X100 X100 X100 X100 X100 X100 X100 X100 X100 X100
  35 #define X10000 X1000 X1000 X1000 X1000 X1000 X1000 X1000 X1000 X1000 X1000
  36 #define X100000 X10000 X10000 X10000 X10000 X10000 X10000 X10000 X10000 X10000 X10000
  37   SELF_CHECK (string_printf ("%s", X10) == X10);
  38   SELF_CHECK (string_printf ("%s", X100) == X100);
  39   SELF_CHECK (string_printf ("%s", X1000) == X1000);
  40   SELF_CHECK (string_printf ("%s", X10000) == X10000);
  41   SELF_CHECK (string_printf ("%s", X100000) == X100000);
  42 }
  43
  44 static std::string
  45 format (const char *fmt, ...)
  46 {
  47   va_list vp;
  48
  49   va_start (vp, fmt);
  50   std::string result = string_vprintf (fmt, vp);
  51   va_end (vp);
  52   return result;
  53 }
  54
  55 static void
  56 string_vprintf_tests ()
  57 {
  58   /* Basic smoke tests.  */
  59   SELF_CHECK (format ("%s", "test") == "test");
  60   SELF_CHECK (format ("%d", 23) == "23");
  61   SELF_CHECK (format ("%s %d %s", "test", 23, "done")
  62               == "test 23 done");
  63   SELF_CHECK (format ("nothing") == "nothing");
  64 }
  65
  66 } /* namespace selftests */
  67
  68 void
  69 _initialize_common_utils_selftests ()
  70 {
  71   selftests::register_test ("string_printf", selftests::string_printf_tests);
  72   selftests::register_test ("string_vprintf", selftests::string_vprintf_tests);
  73 }