external/public-domain/xz/dist/tests/tests.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //
   3 /// \file       tests.h
   4 /// \brief      Common definitions for test applications
   5 //
   6 //  Author:     Lasse Collin
   7 //
   8 //  This file has been put into the public domain.
   9 //  You can do whatever you want with this file.
  10 //
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef LZMA_TESTS_H
  14 #define LZMA_TESTS_H
  15
  16 #include "sysdefs.h"
  17 #include "tuklib_integer.h"
  18 #include "lzma.h"
  19
  20 #include <stdio.h>
  21
  22 #define memcrap(buf, size) memset(buf, 0xFD, size)
  23
  24 #define expect(test) ((test) ? 0 : (fprintf(stderr, "%s:%d: %s\n", \
  25         __FILE__, __LINE__, #test), abort(), 0))
  26
  27 #define succeed(test) expect(!(test))
  28
  29 #define fail(test) expect(test)
  30
  31
  32 static inline const char *
  33 lzma_ret_sym(lzma_ret ret)
  34 {
  35         if ((unsigned int)(ret) > LZMA_PROG_ERROR)
  36                 return "UNKNOWN_ERROR";
  37
  38         static const char *msgs[] = {
  39                 "LZMA_OK",
  40                 "LZMA_STREAM_END",
  41                 "LZMA_NO_CHECK",
  42                 "LZMA_UNSUPPORTED_CHECK",
  43                 "LZMA_GET_CHECK",
  44                 "LZMA_MEM_ERROR",
  45                 "LZMA_MEMLIMIT_ERROR",
  46                 "LZMA_FORMAT_ERROR",
  47                 "LZMA_OPTIONS_ERROR",
  48                 "LZMA_DATA_ERROR",
  49                 "LZMA_BUF_ERROR",
  50                 "LZMA_PROG_ERROR"
  51         };
  52
  53         return msgs[ret];
  54 }
  55
  56
  57 static inline bool
  58 coder_loop(lzma_stream *strm, uint8_t *in, size_t in_size,
  59                 uint8_t *out, size_t out_size,
  60                 lzma_ret expected_ret, lzma_action finishing_action)
  61 {
  62         size_t in_left = in_size;
  63         size_t out_left = out_size > 0 ? out_size + 1 : 0;
  64         lzma_action action = LZMA_RUN;
  65         lzma_ret ret;
  66
  67         strm->next_in = NULL;
  68         strm->avail_in = 0;
  69         strm->next_out = NULL;
  70         strm->avail_out = 0;
  71
  72         while (true) {
  73                 if (in_left > 0) {
  74                         if (--in_left == 0)
  75                                 action = finishing_action;
  76
  77                         strm->next_in = in++;
  78                         strm->avail_in = 1;
  79                 }
  80
  81                 if (out_left > 0) {
  82                         --out_left;
  83                         strm->next_out = out++;
  84                         strm->avail_out = 1;
  85                 }
  86
  87                 ret = lzma_code(strm, action);
  88                 if (ret != LZMA_OK)
  89                         break;
  90         }
  91
  92         bool error = false;
  93
  94         if (ret != expected_ret)
  95                 error = true;
  96
  97         if (expected_ret == LZMA_STREAM_END) {
  98                 if (strm->total_in != in_size || strm->total_out != out_size)
  99                         error = true;
 100         } else {
 101                 if (strm->total_in != in_size || strm->total_out != out_size)
 102                         error = true;
 103         }
 104
 105         return error;
 106 }
 107
 108
 109 static inline bool
 110 decoder_loop_ret(lzma_stream *strm, uint8_t *in, size_t in_size,
 111                 lzma_ret expected_ret)
 112 {
 113         return coder_loop(strm, in, in_size, NULL, 0, expected_ret, LZMA_RUN);
 114 }
 115
 116
 117 static inline bool
 118 decoder_loop(lzma_stream *strm, uint8_t *in, size_t in_size)
 119 {
 120         return coder_loop(strm, in, in_size, NULL, 0,
 121                         LZMA_STREAM_END, LZMA_RUN);
 122 }
 123
 124 #endif