rostests/regtests/crt/iofuncs.c

   1 /*
   2  * PROJECT:         ReactOS CRT regression tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            rostests/regtests/crt/iofuncs.c
   5  * PURPOSE:         Tests for input/output functions of the CRT
   6  * PROGRAMMERS:     Gregor Schneider
   7  */
   8
   9 #include <stdio.h>
  10 #include <wine/test.h>
  11
  12 #define _CRT_NON_CONFORMING_SWPRINTFS
  13
  14 struct _testData
  15 {
  16     double val;
  17     int prec;
  18     char* exp;
  19     char* exp2;
  20 } ECVTTESTDATA[] =
  21 {
  22     {   45.0,           2,      "+4.50E+001",           "+4.5000E+001"          },  /*0*/
  23     {   0.0001,         1,      "+1.0E-004",            "+1.000E-004"           },
  24     {   0.0001,         -10,    "+1.000000E-004",       "+1.000000E-004"        },
  25     {   0.0001,         10,     "+1.0000000000E-004",   "+1.000000000000E-004"  },
  26     {   -111.0001,      5,      "-1.11000E+002",        "-1.1100010E+002"       },
  27     {   111.0001,       5,      "+1.11000E+002",        "+1.1100010E+002"       },  /*5*/
  28     {   3333.3,         2,      "+3.33E+003",           "+3.3333E+003"          },
  29     {   999999999999.9, 3,      "+1.000E+012",          "+1.00000E+012"         },
  30     {   0.0,            5,      "+0.00000E+000",        "+0.0000000E+000"       },
  31     {   0.0,            0,      "+0E+000",              "+0.00E+000"            },
  32     {   0.0,            -1,     "+0.000000E+000",       "+0.0E+000"             },  /*10*/
  33     {   -123.0001,      0,      "-1E+002",              "-1.23E+002"            },
  34     {   -123.0001,      -1,     "-1.230001E+002",       "-1.2E+002"             },
  35     {   -123.0001,      -2,     "-1.230001E+002",       "-1E+002"               },
  36     {   -123.0001,      -3,     "-1.230001E+002",       "-1.230001E+002"        },
  37     {   99.99,          1,      "+1.0E+002",            "+9.999E+001"           },  /*15*/
  38     {   0.0063,         2,      "+6.30E-003",           "+6.3000E-003"          },
  39     {   0.0063,         3,      "+6.300E-003",          "+6.30000E-003"         },
  40     {   0.09999999996,  2,      "+1.00E-001",           "+1.0000E-001"          },
  41     {   0.6,            1,      "+6.0E-001",            "+6.000E-001"           },
  42     {   0.6,            0,      "+6E-001",              "+6.00E-001"            },  /*20*/
  43     {   0.4,            0,      "+4E-001",              "+4.00E-001"            },
  44     {   0.49,           0,      "+5E-001",              "+4.90E-001"            },
  45     {   0.51,           0,      "+5E-001",              "+5.10E-001"            }
  46 };
  47
  48 void Test_ofuncs()
  49 {
  50     int i;
  51     char* buf = NULL;
  52
  53     /* Test exponential format */
  54     buf = malloc(30 * sizeof(char));
  55     if (buf == NULL)
  56     {
  57         printf("Memory full, exiting\n");
  58         return;
  59     }
  60     for (i = 0; i < sizeof(ECVTTESTDATA)/sizeof(ECVTTESTDATA[0]); i++)
  61     {
  62         sprintf(buf, "%-+.*E", ECVTTESTDATA[i].prec, ECVTTESTDATA[i].val);
  63         ok(!strcmp(buf, ECVTTESTDATA[i].exp),
  64             "sprintf exp test %d failed: got %s, expected %s\n",
  65             i, buf, ECVTTESTDATA[i].exp);
  66     }
  67     for (i = 0; i < sizeof(ECVTTESTDATA)/sizeof(ECVTTESTDATA[0]); i++)
  68     {
  69         sprintf(buf, "%-+.*E", ECVTTESTDATA[i].prec + 2, ECVTTESTDATA[i].val);
  70         ok(!strcmp(buf, ECVTTESTDATA[i].exp2),
  71             "sprintf exp +2 prec test %d failed: got %s, expected %s\n",
  72             i, buf, ECVTTESTDATA[i].exp2);
  73     }
  74
  75     /* Test with negative number to be rounded */
  76     sprintf(buf, "%-+.*E", ECVTTESTDATA[18].prec + 2, -ECVTTESTDATA[18].val);
  77     ok(!strcmp(buf, "-1.0000E-001"), "Negative number sprintf rounding failed: got %s, expected %s\n",
  78         buf, "-1.0000E-001");
  79     free(buf);
  80 }
  81
  82 void Test_ifuncs()
  83 {
  84     double var;
  85     char cnum[] = "12.3";
  86     wchar_t wnum[] = L"12.3";
  87
  88     /* Test sscanf behaviour */
  89     sscanf(cnum, "%lf", &var);
  90     ok(var == 12.3, "sscanf double conversion failed: got %f\n", var);
  91     swscanf(wnum, L"%lf", &var);
  92     ok(var == 12.3, "swscanf double conversion failed: got %f\n", var);
  93 }
  94
  95 START_TEST(iofuncs)
  96 {
  97     Test_ofuncs();
  98     Test_ifuncs();
  99 }
 100