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annotate tests/test-xvasprintf.c @ 40196:e63f5d3edab5

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relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.
author Bruno Haible <bruno@clisp.org>
date Sun, 24 Feb 2019 01:49:15 +0100
parents b06060465f09
children
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1 /* Test of xvasprintf() and xasprintf() functions.
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2 Copyright (C) 2007-2019 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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16
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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18
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19 /* Tell GCC not to warn about the specific edge cases tested here. */
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20 #if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
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21 # pragma GCC diagnostic ignored "-Wformat-zero-length"
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22 # pragma GCC diagnostic ignored "-Wformat-nonliteral"
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23 # pragma GCC diagnostic ignored "-Wformat-security"
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24 #endif
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25
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26 #include <config.h>
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27
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28 #include "xvasprintf.h"
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29
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30 #include <stdarg.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "macros.h"
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35
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36 static char *
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37 my_xasprintf (const char *format, ...)
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38 {
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39 va_list args;
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40 char *ret;
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41
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42 va_start (args, format);
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43 ret = xvasprintf (format, args);
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44 va_end (args);
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45 return ret;
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46 }
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47
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48 static void
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49 test_xvasprintf (void)
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50 {
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51 int repeat;
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52 char *result;
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53
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54 for (repeat = 0; repeat <= 8; repeat++)
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55 {
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56 result = my_xasprintf ("%d", 12345);
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57 ASSERT (result != NULL);
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58 ASSERT (strcmp (result, "12345") == 0);
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59 free (result);
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60 }
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61
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62 {
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63 /* Silence gcc warning about zero-length format string. */
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64 const char *empty = "";
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65 result = my_xasprintf (empty);
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66 ASSERT (result != NULL);
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67 ASSERT (strcmp (result, "") == 0);
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68 free (result);
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69 }
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70
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71 result = my_xasprintf ("%s", "foo");
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72 ASSERT (result != NULL);
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73 ASSERT (strcmp (result, "foo") == 0);
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74 free (result);
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75
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76 result = my_xasprintf ("%s%s", "foo", "bar");
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77 ASSERT (result != NULL);
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78 ASSERT (strcmp (result, "foobar") == 0);
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79 free (result);
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80
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81 result = my_xasprintf ("%s%sbaz", "foo", "bar");
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82 ASSERT (result != NULL);
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83 ASSERT (strcmp (result, "foobarbaz") == 0);
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84 free (result);
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85 }
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86
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87 static void
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88 test_xasprintf (void)
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89 {
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90 int repeat;
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91 char *result;
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92
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93 for (repeat = 0; repeat <= 8; repeat++)
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94 {
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95 result = xasprintf ("%d", 12345);
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96 ASSERT (result != NULL);
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97 ASSERT (strcmp (result, "12345") == 0);
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98 free (result);
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99 }
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100
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101 {
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102 /* Silence gcc warning about zero-length format string,
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103 and about "format not a string literal and no format"
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104 (whatever that means) . */
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105 const char *empty = "";
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106 result = xasprintf (empty, empty);
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107 ASSERT (result != NULL);
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108 ASSERT (strcmp (result, "") == 0);
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109 free (result);
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110 }
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111
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112 result = xasprintf ("%s", "foo");
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113 ASSERT (result != NULL);
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114 ASSERT (strcmp (result, "foo") == 0);
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115 free (result);
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116
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117 result = xasprintf ("%s%s", "foo", "bar");
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118 ASSERT (result != NULL);
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119 ASSERT (strcmp (result, "foobar") == 0);
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120 free (result);
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121
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122 result = my_xasprintf ("%s%sbaz", "foo", "bar");
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123 ASSERT (result != NULL);
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124 ASSERT (strcmp (result, "foobarbaz") == 0);
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125 free (result);
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126 }
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127
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128 int
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129 main (int argc _GL_UNUSED, char *argv[])
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130 {
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131 test_xvasprintf ();
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132 test_xasprintf ();
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133
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134 return 0;
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135 }