eglib/test/sizes.c

   1 /*
   2  * Tests to ensure that our type definitions are correct
   3  *
   4  * These depend on -Werror, -Wall being set to catch the build error.
   5  */
   6 #include <stdio.h>
   7 #ifndef _MSC_VER
   8 #include <stdint.h>
   9 #endif
  10 #include <string.h>
  11 #include <glib.h>
  12 #include "test.h"
  13
  14 RESULT
  15 test_formats ()
  16 {
  17         char buffer [1024];
  18         gsize a = 1;
  19
  20         sprintf (buffer, "%" G_GSIZE_FORMAT, a);
  21
  22         return NULL;
  23 }
  24
  25 RESULT
  26 test_ptrconv ()
  27 {
  28         int iv, iv2;
  29         unsigned int uv, uv2;
  30         gpointer ptr;
  31
  32         iv = G_MAXINT32;
  33         ptr = GINT_TO_POINTER (iv);
  34         iv2 = GPOINTER_TO_INT (ptr);
  35         if (iv != iv2)
  36                 return FAILED ("int to pointer and back conversions fail %d != %d", iv, iv2);
  37
  38         iv = G_MININT32;
  39         ptr = GINT_TO_POINTER (iv);
  40         iv2 = GPOINTER_TO_INT (ptr);
  41         if (iv != iv2)
  42                 return FAILED ("int to pointer and back conversions fail %d != %d", iv, iv2);
  43
  44         iv = 1;
  45         ptr = GINT_TO_POINTER (iv);
  46         iv2 = GPOINTER_TO_INT (ptr);
  47         if (iv != iv2)
  48                 return FAILED ("int to pointer and back conversions fail %d != %d", iv, iv2);
  49
  50         iv = -1;
  51         ptr = GINT_TO_POINTER (iv);
  52         iv2 = GPOINTER_TO_INT (ptr);
  53         if (iv != iv2)
  54                 return FAILED ("int to pointer and back conversions fail %d != %d", iv, iv2);
  55
  56         iv = 0;
  57         ptr = GINT_TO_POINTER (iv);
  58         iv2 = GPOINTER_TO_INT (ptr);
  59         if (iv != iv2)
  60                 return FAILED ("int to pointer and back conversions fail %d != %d", iv, iv2);
  61
  62         uv = 0;
  63         ptr = GUINT_TO_POINTER (iv);
  64         uv2 = GPOINTER_TO_UINT (ptr);
  65         if (iv != iv2)
  66                 return FAILED ("uint to pointer and back conversions fail %u != %d", iv, iv2);
  67
  68         uv = 1;
  69         ptr = GUINT_TO_POINTER (iv);
  70         uv2 = GPOINTER_TO_UINT (ptr);
  71         if (iv != iv2)
  72                 return FAILED ("uint to pointer and back conversions fail %u != %d", iv, iv2);
  73
  74         uv = UINT32_MAX;
  75         ptr = GUINT_TO_POINTER (iv);
  76         uv2 = GPOINTER_TO_UINT (ptr);
  77         if (iv != iv2)
  78                 return FAILED ("uint to pointer and back conversions fail %u != %d", iv, iv2);
  79
  80         return NULL;
  81
  82 }
  83
  84 typedef struct {
  85         int a;
  86         int b;
  87 } my_struct;
  88
  89 RESULT
  90 test_offset ()
  91 {
  92         if (G_STRUCT_OFFSET (my_struct, a) != 0)
  93                 return FAILED ("offset of a is not zero");
  94
  95         if (G_STRUCT_OFFSET (my_struct, b) != 4 && G_STRUCT_OFFSET (my_struct, b) != 8)
  96                 return FAILED ("offset of b is 4 or 8, macro might be busted");
  97
  98         return OK;
  99 }
 100
 101 static Test size_tests [] = {
 102         {"formats", test_formats},
 103         {"ptrconv", test_ptrconv},
 104         {"g_struct_offset", test_offset},
 105         {NULL, NULL}
 106 };
 107
 108 DEFINE_TEST_GROUP_INIT(size_tests_init, size_tests)