root/maint/gnulib/tests/unistr/test-u8-check.c

/* */

DEFINITIONS

1. main

   1 /* Test of u8_check() function.
   2    Copyright (C) 2010-2021 Free Software Foundation, Inc.
   3 
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8 
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13 
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16 
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  18 
  19 #include <config.h>
  20 
  21 #include "unistr.h"
  22 
  23 #include "macros.h"
  24 
  25 int
  26 main ()
     /*  */
  27 {
  28   /* Test empty string.  */
  29   {
  30     static const uint8_t input[] = "";
  31     ASSERT (u8_check (input, 0) == NULL);
  32   }
  33 
  34   /* Test valid non-empty string.  */
  35   {
  36     static const uint8_t input[] = /* "Данило Шеган" */
  37       "\320\224\320\260\320\275\320\270\320\273\320\276 \320\250\320\265\320\263\320\260\320\275";
  38     ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
  39   }
  40 
  41   /* Test out-of-range character with 4 bytes: U+110000.  */
  42   {
  43     static const uint8_t input[] = "\320\224\320\260\364\220\200\200";
  44     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  45   }
  46 
  47   /* Test out-of-range character with 5 bytes: U+200000.  */
  48   {
  49     static const uint8_t input[] = "\320\224\320\260\370\210\200\200\200";
  50     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  51   }
  52 
  53   /* Test out-of-range character with 6 bytes: U+4000000.  */
  54   {
  55     static const uint8_t input[] = "\320\224\320\260\374\204\200\200\200\200";
  56     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  57   }
  58 
  59   /* Test invalid lead byte.  */
  60   {
  61     static const uint8_t input[] = "\320\224\320\260\376\200\200\200\200\200";
  62     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  63   }
  64   {
  65     static const uint8_t input[] = "\320\224\320\260\377\200\200\200\200\200";
  66     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  67   }
  68 
  69   /* Test overlong 2-byte character.  */
  70   {
  71     static const uint8_t input[] = "\320\224\320\260\301\200";
  72     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  73   }
  74 
  75   /* Test overlong 3-byte character.  */
  76   {
  77     static const uint8_t input[] = "\320\224\320\260\340\200\277";
  78     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  79   }
  80 
  81   /* Test overlong 4-byte character.  */
  82   {
  83     static const uint8_t input[] = "\320\224\320\260\360\200\277\277";
  84     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  85   }
  86 
  87   /* Test invalid bytes in 2-byte character.  */
  88   {
  89     static const uint8_t input[] = "\320\224\320\260\302\200";
  90     ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
  91   }
  92   {
  93     static const uint8_t input[] = "\320\224\320\260\302\100";
  94     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  95   }
  96   {
  97     static const uint8_t input[] = "\320\224\320\260\302\300";
  98     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
  99   }
 100 
 101   /* Test invalid bytes in 3-byte character.  */
 102   {
 103     static const uint8_t input[] = "\320\224\320\260\342\200\200";
 104     ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
 105   }
 106   {
 107     static const uint8_t input[] = "\320\224\320\260\342\100\200";
 108     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 109   }
 110   {
 111     static const uint8_t input[] = "\320\224\320\260\342\300\200";
 112     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 113   }
 114   {
 115     static const uint8_t input[] = "\320\224\320\260\342\200\100";
 116     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 117   }
 118   {
 119     static const uint8_t input[] = "\320\224\320\260\342\200\300";
 120     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 121   }
 122 
 123   /* Test invalid bytes in 4-byte character.  */
 124   {
 125     static const uint8_t input[] = "\320\224\320\260\362\200\200\200";
 126     ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
 127   }
 128   {
 129     static const uint8_t input[] = "\320\224\320\260\362\100\200\200";
 130     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 131   }
 132   {
 133     static const uint8_t input[] = "\320\224\320\260\362\300\200\200";
 134     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 135   }
 136   {
 137     static const uint8_t input[] = "\320\224\320\260\362\200\100\200";
 138     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 139   }
 140   {
 141     static const uint8_t input[] = "\320\224\320\260\362\200\300\200";
 142     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 143   }
 144   {
 145     static const uint8_t input[] = "\320\224\320\260\362\200\200\100";
 146     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 147   }
 148   {
 149     static const uint8_t input[] = "\320\224\320\260\362\200\200\300";
 150     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 151   }
 152 
 153   /* Test truncated/incomplete 2-byte character.  */
 154   {
 155     static const uint8_t input[] = "\320\224\320\260\302";
 156     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 157   }
 158 
 159   /* Test truncated/incomplete 3-byte character.  */
 160   {
 161     static const uint8_t input[] = "\320\224\320\260\342\200";
 162     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 163   }
 164 
 165   /* Test truncated/incomplete 4-byte character.  */
 166   {
 167     static const uint8_t input[] = "\320\224\320\260\362\200\200";
 168     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 169   }
 170 
 171   /* Test missing lead byte.  */
 172   {
 173     static const uint8_t input[] = "\320\224\320\260\200\200\200\200\200";
 174     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 175   }
 176 
 177   /* Test surrogate codepoints.  */
 178   {
 179     static const uint8_t input[] = "\320\224\320\260\355\240\200\355\260\200";
 180     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 181   }
 182   {
 183     static const uint8_t input[] = "\320\224\320\260\355\260\200";
 184     ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
 185   }
 186 
 187   return 0;
 188 }

/* */