icuSources/test/cintltst/cctest.c

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1997-2010, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************/
   6
   7 #include "unicode/ucnv.h"
   8 #include "unicode/ucnv_err.h"
   9
  10 #include "cintltst.h"
  11 #include "ustr_cnv.h"
  12 #include <string.h>
  13 void TestDefaultConverterError(void); /* keep gcc happy */
  14 void TestDefaultConverterSet(void); /* keep gcc happy */
  15
  16
  17 /* This makes sure that a converter isn't leaked when an error is passed to
  18     u_getDefaultConverter */
  19 void TestDefaultConverterError(void) {
  20     UErrorCode          err                 =   U_ZERO_ERROR;
  21
  22     /* Remove the default converter */
  23     ucnv_close(u_getDefaultConverter(&err));
  24
  25     if (U_FAILURE(err)) {
  26         log_err("Didn't expect a failure yet %s\n", myErrorName(err));
  27         return;
  28     }
  29
  30     /* Set to any radom error state */
  31     err = U_FILE_ACCESS_ERROR;
  32     if (u_getDefaultConverter(&err) != NULL) {
  33         log_err("Didn't expect to get a converter on a failure\n");
  34     }
  35 }
  36
  37 /* Get the default converter. Copy its name. Put it back. */
  38 static void copyDefaultConverterName(char *out, UErrorCode *status) {
  39     UConverter *defConv;
  40     const char *itsName;
  41     out[0]=0;
  42     if(U_FAILURE(*status)) return;
  43     defConv = u_getDefaultConverter(status);
  44     /* get its name */
  45     itsName = ucnv_getName(defConv, status);
  46     if(U_FAILURE(*status)) return;
  47     strcpy(out, itsName);
  48     /* put it back. */
  49     u_releaseDefaultConverter(defConv);
  50 }
  51
  52 /*
  53   Changing the default name may not affect the actual name from u_getDefaultConverter
  54    ( for example, if UTF-8 is the fixed converter ).
  55   But, if it does cause a change, that change should be reflected when the converter is
  56   set back.
  57 */
  58 void TestDefaultConverterSet(void) {
  59     UErrorCode status = U_ZERO_ERROR;
  60     static char defaultName[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  61     static char nameBeforeSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  62     static char nameAfterSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  63     static char nameAfterRestore[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  64     static const char SET_TO[]="iso-8859-3";
  65     strcpy(defaultName, ucnv_getDefaultName());
  66
  67     log_verbose("getDefaultName returned %s\n", defaultName);
  68
  69    /* first, flush any extant converter */
  70    u_flushDefaultConverter();
  71    copyDefaultConverterName(nameBeforeSet, &status);
  72    log_verbose("name from u_getDefaultConverter() = %s\n", nameBeforeSet);
  73    u_flushDefaultConverter();
  74    ucnv_setDefaultName(SET_TO);
  75    copyDefaultConverterName(nameAfterSet, &status);
  76    log_verbose("name from u_getDefaultConverter() after set to %s (%s) = %s\n", SET_TO, ucnv_getDefaultName(), nameAfterSet);
  77    ucnv_setDefaultName(defaultName);
  78    copyDefaultConverterName(nameAfterRestore, &status);
  79    log_verbose("name from u_getDefaultConverter() after restore = %s\n", nameAfterRestore);
  80    u_flushDefaultConverter();
  81
  82    if(U_FAILURE(status)) {
  83       log_err("Error in test: %s\n", u_errorName(status));
  84    } else {
  85       if(!strcmp(nameBeforeSet, nameAfterSet)) { /* changing the default didn't affect. */
  86           log_info("Skipping test: ucnv_setDefaultName() did not affect actual name of %s\n", nameBeforeSet);
  87       } else {
  88           if(strcmp(nameBeforeSet, nameAfterRestore)) {
  89                log_err("Error: u_getDefaultConverter() is still returning %s (expected %s) even though default converter was set back to %s (was %s)\n", nameAfterRestore, nameBeforeSet, defaultName , SET_TO);
  90           } else {
  91               log_verbose("Test passed. \n");
  92           }
  93       }
  94    }
  95 }
  96
  97