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Start of a very simplistic unit test suite. Initially handling just printf() style functions.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 16 Feb 2016 21:28:00 +0200
parents
children 7549e279fe18
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254
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1 #include "th_types.h"
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2 #include "th_util.h"
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3 #include "th_string.h"
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4 #include "th_crypto.h"
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5
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6 #define SET_BUF_SIZE 128
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7
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8 int failed, passed;
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9 char buf1[SET_BUF_SIZE+2], buf2[SET_BUF_SIZE+2];
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10
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11
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12 int test_snprintf_do2(size_t len, const char *fmt, va_list ap)
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13 {
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14 int ret1, ret2, ret = 0;
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15 va_list tmp;
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16
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17 printf("th_vsnprintf(%" TH_PRIu_SIZE_T ", '%s'): ", len, fmt);
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18
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19 va_copy(tmp, ap);
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20
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21 ret1 = th_vsnprintf(buf1, len, fmt, ap);
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22 ret2 = vsnprintf(buf2, len, fmt, tmp);
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23
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24 if (ret1 != ret2)
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25 {
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26 printf("ret mismatch (%d != %d)\n", ret1, ret2);
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27 ret = -1;
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28 }
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29
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30 if (strcmp(buf1, buf2))
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31 {
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32 printf("result mismatch:\n'%s' VS\n'%s'\n", buf1, buf2);
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33 ret = -2;
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34 }
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35
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36 if (ret == 0)
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37 printf("OK\n");
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38 return ret;
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39 }
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40
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41
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42 void test_snprintf_do(size_t len, const char *fmt, va_list ap)
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43 {
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44 int ret;
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45
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46 memset(buf1, 0xe5, SET_BUF_SIZE+2); buf1[SET_BUF_SIZE+1] = 0;
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47 memset(buf2, 0xe5, SET_BUF_SIZE+2); buf2[SET_BUF_SIZE+1] = 0;
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48
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49 ret = test_snprintf_do2(len, fmt, ap);
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50
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51 if ((unsigned char) buf1[len] != 0xe5)
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52 {
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53 printf(" buffer #1 overflow, sentinel 0x%02x\n", buf1[len]);
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54 ret = -2;
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55 }
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56
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57 if ((unsigned char) buf2[len] != 0xe5)
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58 {
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59 printf(" buffer #2 overflow, sentinel 0x%02x\n", buf2[len]);
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60 ret = -2;
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61 }
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62
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63 if (ret == 0)
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64 passed++;
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65 else
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66 failed++;
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67 }
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68
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69
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70 void test_snprintf(const char *fmt, ...)
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71 {
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72 va_list ap, tmp;
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73 printf("----------------------------------------------\n");
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74 va_start(ap, fmt);
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75 va_copy(tmp, ap); test_snprintf_do(0, fmt, tmp);
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76 va_copy(tmp, ap); test_snprintf_do(1, fmt, tmp);
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77 va_copy(tmp, ap); test_snprintf_do(2, fmt, tmp);
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78 va_copy(tmp, ap); test_snprintf_do(16, fmt, tmp);
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79 va_copy(tmp, ap); test_snprintf_do(SET_BUF_SIZE, fmt, tmp);
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80 va_end(ap);
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81 printf("----------------------------------------------\n");
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82 }
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83
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84
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85 int main(int argc, char *argv[])
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86 {
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87 (void) argc;
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88 (void) argv;
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89
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90 th_init("th-test", "th-libs unit tests", "0.0.1", NULL, NULL);
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91 th_verbosityLevel = 1;
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92
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93 if (sizeof(char) != sizeof(unsigned char))
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94 {
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95 THERR("sizeof(char) != sizeof(unsigned char)???\n");
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96 return -1;
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97 }
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98
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99 failed = passed = 0;
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100
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101 int i_vals[] = { 2, 612342, -2, -612342, 0x1fff, 0x8000000, };
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102 char *i_fmts[] = { "%d", "%x", "%05d", "%5d", "%-5d", "%05x", "%5x", };
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103 int i1, i2;
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104
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105 for (i1 = 0; i1 < sizeof(i_vals) / sizeof(i_vals[0]); i1++)
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106 for (i2 = 0; i2 < sizeof(i_fmts) / sizeof(i_fmts[0]); i2++)
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107 test_snprintf(i_fmts[i2], i_vals);
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108
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109 char *s_vals[] = { "", "asdf", "xxx yyy zzz ppp fff", NULL, };
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110 char *s_fmts[] = { "%s", "%2s", "%-2s", "%5s", "%-5s", "%16s", "%-16s", };
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111
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112 for (i1 = 0; i1 < sizeof(s_vals) / sizeof(s_vals[0]); i1++)
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113 for (i2 = 0; i2 < sizeof(s_fmts) / sizeof(s_fmts[0]); i2++)
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114 test_snprintf(s_fmts[i2], s_vals);
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115
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116 printf("%d tests failed, %d passed.\n", failed, passed);
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117 return 0;
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118 }