1/* Test of u8_to_u32() function. 2 Copyright (C) 2010 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 <http://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 <errno.h> 24 25#include "macros.h" 26 27static int 28check (const uint8_t *input, size_t input_length, 29 const uint32_t *expected, size_t expected_length) 30{ 31 size_t length; 32 uint32_t *result; 33 34 /* Test return conventions with resultbuf == NULL. */ 35 result = u8_to_u32 (input, input_length, NULL, &length); 36 if (!(result != NULL)) 37 return 1; 38 if (!(length == expected_length)) 39 return 2; 40 if (!(u32_cmp (result, expected, expected_length) == 0)) 41 return 3; 42 free (result); 43 44 /* Test return conventions with resultbuf too small. */ 45 if (expected_length > 0) 46 { 47 uint32_t *preallocated; 48 49 length = expected_length - 1; 50 preallocated = (uint32_t *) malloc (length * sizeof (uint32_t)); 51 result = u8_to_u32 (input, input_length, preallocated, &length); 52 if (!(result != NULL)) 53 return 4; 54 if (!(result != preallocated)) 55 return 5; 56 if (!(length == expected_length)) 57 return 6; 58 if (!(u32_cmp (result, expected, expected_length) == 0)) 59 return 7; 60 free (result); 61 free (preallocated); 62 } 63 64 /* Test return conventions with resultbuf large enough. */ 65 { 66 uint32_t *preallocated; 67 68 length = expected_length; 69 preallocated = (uint32_t *) malloc (length * sizeof (uint32_t)); 70 result = u8_to_u32 (input, input_length, preallocated, &length); 71 if (!(result != NULL)) 72 return 8; 73 if (!(preallocated == NULL || result == preallocated)) 74 return 9; 75 if (!(length == expected_length)) 76 return 10; 77 if (!(u32_cmp (result, expected, expected_length) == 0)) 78 return 11; 79 free (preallocated); 80 } 81 82 return 0; 83} 84 85int 86main () 87{ 88 /* Empty string. */ 89 ASSERT (check (NULL, 0, NULL, 0) == 0); 90 91 /* Simple string. */ 92 { /* "Gr���� Gott. ������������������������! x=(-b��sqrt(b��-4ac))/(2a) ���������,������,������" */ 93 static const uint8_t input[] = 94 { 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ', 95 0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81, 96 0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5, 97 '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(', 98 'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', 99 ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',', 100 0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',', 101 0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n' 102 }; 103 static const uint32_t expected[] = 104 { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ', 105 0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443, 106 0x0439, 0x0442, 0x0435, '!', ' ', 107 'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2, 108 '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ', 109 0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n' 110 }; 111 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0); 112 } 113 114 /* String with characters outside the BMP. */ 115 { 116 static const uint8_t input[] = 117 { '-', '(', 0xF0, 0x9D, 0x94, 0x9E, 0xC3, 0x97, 0xF0, 0x9D, 0x94, 0x9F, 118 ')', '=', 0xF0, 0x9D, 0x94, 0x9F, 0xC3, 0x97, 0xF0, 0x9D, 0x94, 0x9E 119 }; 120 static const uint32_t expected[] = 121 { '-', '(', 0x1D51E, 0x00D7, 0x1D51F, ')', '=', 122 0x1D51F, 0x00D7, 0x1D51E 123 }; 124 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0); 125 } 126 127 /* Invalid input. */ 128 { 129 static const uint8_t input[] = { 'x', 0xC2, 0xC3, 'y' }; 130#if 0 /* Currently invalid input is rejected, not accommodated. */ 131 static const uint32_t expected[] = { 'x', 0xFFFD, 0xFFFD, 'y' }; 132 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0); 133#else 134 size_t length; 135 uint32_t *result; 136 uint32_t preallocated[10]; 137 138 /* Test return conventions with resultbuf == NULL. */ 139 result = u8_to_u32 (input, SIZEOF (input), NULL, &length); 140 ASSERT (result == NULL); 141 ASSERT (errno == EILSEQ); 142 143 /* Test return conventions with resultbuf too small. */ 144 length = 1; 145 result = u8_to_u32 (input, SIZEOF (input), preallocated, &length); 146 ASSERT (result == NULL); 147 ASSERT (errno == EILSEQ); 148 149 /* Test return conventions with resultbuf large enough. */ 150 length = SIZEOF (preallocated); 151 result = u8_to_u32 (input, SIZEOF (input), preallocated, &length); 152 ASSERT (result == NULL); 153 ASSERT (errno == EILSEQ); 154#endif 155 } 156 157 return 0; 158} 159