tests/core/WritePixel.gen.c.t

   1 /*
   2  * WritePixel tests.
   3  *
   4  * Copyright (C) 2009-2014 Cyril Hrubis <metan@ucw.cz>
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <stdlib.h>
  10
  11 #include <core/GP_WritePixel.h>
  12
  13 #include "tst_test.h"
  14
  15 static void dump_buffer(const char *name, char *buf, unsigned int buf_len)
  16 {
  17         unsigned int i;
  18
  19         printf("%s:\n{", name);
  20
  21         for (i = 0; i < buf_len; i++) {
  22                 printf("%i", !!buf[i]);
  23
  24                 if (i != buf_len - 1)
  25                         printf(", ");
  26
  27                 if (i % 26 == 25)
  28                         printf("\n ");
  29         }
  30
  31         printf("}\n");
  32 }
  33
  34 /*
  35  * Compares two statically defined buffers
  36  */
  37 #define COMPARE_BUFFERS(id, buf1, buf2) do {                  \
  38         unsigned int buf_len = sizeof(buf2)/sizeof(*buf2);    \
  39         unsigned int i;                                       \
  40                                                               \
  41                                                               \
  42         for (i = 0; i < buf_len; i++)                         \
  43                 if(buf1[i] != buf2[i]) {                      \
  44                         printf("%s\n", id);                   \
  45                         dump_buffer("wrote", buf1, buf_len);  \
  46                         dump_buffer("gen", buf2, buf_len);    \
  47                         tst_msg("Buffers are different");     \
  48                         return TST_FAILED;                    \
  49                 }                                             \
  50                                                               \
  51         return TST_SUCCESS;                                   \
  52 } while (0)
  53
  54 @ for pixelsize in [8, 16, 24, 32]:
  55 @     for offset in range(0, 4):
  56 @         for len in range(0, 6):
  57 @             for aligment in [0, 4]:
  58 @                 if (pixelsize != 16 and pixelsize != 32) or aligment == 0:
  59 static int WritePixel{{ "_%i_%i_%i_%i" % (pixelsize, offset, len, aligment) }}(void)
  60 {
  61         char write_buf[{{ 25 * pixelsize//8 }}] = {};
  62         char gen_buf[{{ 25 * pixelsize//8 }}] = {};
  63
  64         /*
  65          * Fill the compare buffer
  66          */
  67 @                     for i in range(0, len):
  68 @                         for j in range(0, pixelsize//8):
  69         gen_buf[{{aligment + offset * pixelsize//8 + i * pixelsize//8 + j}}] = 0xff;
  70 @                     end
  71
  72         GP_WritePixels_{{ pixelsize }}BPP(write_buf + {{aligment + offset * pixelsize//8}}, {{ len }}, 0xffffffff>>{{32 - pixelsize}});
  73
  74         COMPARE_BUFFERS({{'"p=%i o=%i l=%i a=%i"' % (pixelsize, offset, len, aligment)}}, write_buf, gen_buf);
  75 }
  76
  77 static int WritePixel{{ "_%i_%i_%i_%i_alloc" % (pixelsize, offset, len, aligment) }}(void)
  78 {
  79         char gen_buf[{{ 25 * pixelsize//8 }}] = {};
  80         char *write_buf = malloc({{ 25 * pixelsize//8 }});
  81
  82         /*
  83          * Fill the compare buffer
  84          */
  85 @                     for i in range(0, len):
  86 @                         for j in range(0, pixelsize//8):
  87         gen_buf[{{aligment + offset * pixelsize//8 + i * pixelsize//8 + j}}] = 0xff;
  88 @                     end
  89
  90         if (gen_buf == NULL) {
  91                 tst_msg("Malloc failed :(");
  92                 return TST_UNTESTED;
  93         }
  94
  95         memset(write_buf, 0, {{ 25 * pixelsize//8 }});
  96
  97         GP_WritePixels_{{ pixelsize }}BPP(write_buf + {{aligment + offset * pixelsize//8}}, {{ len }}, 0xffffffff>>{{32 - pixelsize}});
  98
  99         COMPARE_BUFFERS({{'"p=%i o=%i l=%i a=%i"' % (pixelsize, offset, len, aligment)}}, write_buf, gen_buf);
 100 }
 101 @ end
 102
 103 const struct tst_suite tst_suite = {
 104         .suite_name = "WritePixel Testsuite",
 105         .tests = {
 106 @ for pixelsize in [8, 16, 24, 32]:
 107 @     for offset in range(0, 4):
 108 @         for len in range(0, 6):
 109 @             for aligment in [0, 4]:
 110 @                 if (pixelsize != 16 and pixelsize != 32) or aligment == 0:
 111                 {.name = "WritePixel {{ pixelsize }} {{ offset }} {{ len }} {{ aligment }} stack",
 112                  .tst_fn = WritePixel{{ "_%i_%i_%i_%i" % (pixelsize, offset, len, aligment) }}},
 113                 {.name = "WritePixel {{ pixelsize }} {{ offset }} {{ len }} {{ aligment }} alloc",
 114                  .tst_fn = WritePixel{{ "_%i_%i_%i_%i_alloc" % (pixelsize, offset, len, aligment) }}},
 115 @ end
 116                 {.name = NULL}
 117         }
 118 };