src/tests/kits/support/string_utf8_tests.cpp

   1 #include <stdio.h>
   2 #include <SupportDefs.h>
   3 #include <String.h>
   4 #include <InterfaceDefs.h>
   5
   6
   7 inline void
   8 expect(BString &string, const char *expect, size_t bytes, int32 chars)
   9 {
  10         printf("expect: \"%s\" %lu %ld\n", expect, bytes, chars);
  11         printf("got:   \"%s\" %lu %ld\n", string.String(), string.Length(), string.CountChars());
  12         if (bytes != (size_t)string.Length()) {
  13                 printf("expected byte length mismatch\n");
  14                 exit(1);
  15         }
  16
  17         if (chars != string.CountChars()) {
  18                 printf("expected char count mismatch\n");
  19                 exit(2);
  20         }
  21
  22         if (memcmp(string.String(), expect, bytes) != 0) {
  23                 printf("expected string mismatch\n");
  24                 exit(3);
  25         }
  26 }
  27
  28
  29 int
  30 main(int argc, char *argv[])
  31 {
  32         printf("setting string to ü-ä-ö\n");
  33         BString string("ü-ä-ö");
  34         expect(string, "ü-ä-ö", 8, 5);
  35
  36         printf("replacing ü and ö by ellipsis\n");
  37         string.ReplaceCharsSet("üö", B_UTF8_ELLIPSIS);
  38         expect(string, B_UTF8_ELLIPSIS "-ä-" B_UTF8_ELLIPSIS, 10, 5);
  39
  40         printf("moving the last char (ellipsis) to a seperate string\n");
  41         BString ellipsis;
  42         string.MoveCharsInto(ellipsis, 4, 1);
  43         expect(string, B_UTF8_ELLIPSIS "-ä-", 7, 4);
  44         expect(ellipsis, B_UTF8_ELLIPSIS, 3, 1);
  45
  46         printf("removing all - and ellipsis chars\n");
  47         string.RemoveCharsSet("-" B_UTF8_ELLIPSIS);
  48         expect(string, "ä", 2, 1);
  49
  50         printf("reset the string to öäü" B_UTF8_ELLIPSIS "öäü\n");
  51         string.SetToChars("öäü" B_UTF8_ELLIPSIS "öäü", 5);
  52         expect(string, "öäü" B_UTF8_ELLIPSIS "ö", 11, 5);
  53
  54         printf("truncating string to 4 characters\n");
  55         string.TruncateChars(4);
  56         expect(string, "öäü" B_UTF8_ELLIPSIS, 9, 4);
  57
  58         printf("appending 2 chars out of \"öäü\"\n");
  59         string.AppendChars("öäü", 2);
  60         expect(string, "öäü" B_UTF8_ELLIPSIS "öä", 13, 6);
  61
  62         printf("removing chars 1 through 4\n");
  63         string.RemoveChars(1, 3);
  64         expect(string, "ööä", 6, 3);
  65
  66         printf("inserting 2 ellipsis out of 6 chars at offset 1\n");
  67         string.InsertChars("öäü" B_UTF8_ELLIPSIS B_UTF8_ELLIPSIS "ä", 3, 2, 1);
  68         expect(string, "ö" B_UTF8_ELLIPSIS B_UTF8_ELLIPSIS "öä", 12, 5);
  69
  70         printf("prepending 3 out of 5 chars\n");
  71         string.PrependChars("ää+üü", 3);
  72         expect(string, "ää+ö" B_UTF8_ELLIPSIS B_UTF8_ELLIPSIS "öä", 17, 8);
  73
  74         printf("comparing first 5 chars which should succeed\n");
  75         const char *compare = "ää+ö" B_UTF8_ELLIPSIS "different";
  76         if (string.CompareChars(compare, 5) != 0) {
  77                 printf("comparison failed\n");
  78                 return 1;
  79         }
  80
  81         printf("comparing first 6 chars which should fail\n");
  82         if (string.CompareChars(compare, 6) == 0) {
  83                 printf("comparison succeeded\n");
  84                 return 2;
  85         }
  86
  87         printf("counting bytes of 3 chars from offset 2 expect 6\n");
  88         if (string.CountBytes(2, 3) != 6) {
  89                 printf("got wrong byte count\n");
  90                 return 3;
  91         }
  92
  93         printf("all tests succeeded\n");
  94         return 0;
  95 }