icuSources/test/cintltst/cctest.c

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /********************************************************************
   4  * COPYRIGHT:
   5  * Copyright (c) 1997-2010, International Business Machines Corporation and
   6  * others. All Rights Reserved.
   7  ********************************************************************/
   8
   9 #include "unicode/ucnv.h"
  10 #include "unicode/ucnv_err.h"
  11
  12 #include "cintltst.h"
  13 #include "ustr_cnv.h"
  14 #include <string.h>
  15 void TestDefaultConverterError(void); /* keep gcc happy */
  16 void TestDefaultConverterSet(void); /* keep gcc happy */
  17
  18
  19 /* This makes sure that a converter isn't leaked when an error is passed to
  20     u_getDefaultConverter */
  21 void TestDefaultConverterError(void) {
  22     UErrorCode          err                 =   U_ZERO_ERROR;
  23
  24     /* Remove the default converter */
  25     ucnv_close(u_getDefaultConverter(&err));
  26
  27     if (U_FAILURE(err)) {
  28         log_err("Didn't expect a failure yet %s\n", myErrorName(err));
  29         return;
  30     }
  31
  32     /* Set to any radom error state */
  33     err = U_FILE_ACCESS_ERROR;
  34     if (u_getDefaultConverter(&err) != NULL) {
  35         log_err("Didn't expect to get a converter on a failure\n");
  36     }
  37 }
  38
  39 /* Get the default converter. Copy its name. Put it back. */
  40 static void copyDefaultConverterName(char *out, UErrorCode *status) {
  41     UConverter *defConv;
  42     const char *itsName;
  43     out[0]=0;
  44     if(U_FAILURE(*status)) return;
  45     defConv = u_getDefaultConverter(status);
  46     /* get its name */
  47     itsName = ucnv_getName(defConv, status);
  48     if(U_FAILURE(*status)) return;
  49     strcpy(out, itsName);
  50     /* put it back. */
  51     u_releaseDefaultConverter(defConv);
  52 }
  53
  54 /*
  55   Changing the default name may not affect the actual name from u_getDefaultConverter
  56    ( for example, if UTF-8 is the fixed converter ).
  57   But, if it does cause a change, that change should be reflected when the converter is
  58   set back.
  59 */
  60 void TestDefaultConverterSet(void) {
  61     UErrorCode status = U_ZERO_ERROR;
  62     static char defaultName[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  63     static char nameBeforeSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  64     static char nameAfterSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  65     static char nameAfterRestore[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
  66     static const char SET_TO[]="iso-8859-3";
  67     strcpy(defaultName, ucnv_getDefaultName());
  68
  69     log_verbose("getDefaultName returned %s\n", defaultName);
  70
  71    /* first, flush any extant converter */
  72    u_flushDefaultConverter();
  73    copyDefaultConverterName(nameBeforeSet, &status);
  74    log_verbose("name from u_getDefaultConverter() = %s\n", nameBeforeSet);
  75    u_flushDefaultConverter();
  76    ucnv_setDefaultName(SET_TO);
  77    copyDefaultConverterName(nameAfterSet, &status);
  78    log_verbose("name from u_getDefaultConverter() after set to %s (%s) = %s\n", SET_TO, ucnv_getDefaultName(), nameAfterSet);
  79    ucnv_setDefaultName(defaultName);
  80    copyDefaultConverterName(nameAfterRestore, &status);
  81    log_verbose("name from u_getDefaultConverter() after restore = %s\n", nameAfterRestore);
  82    u_flushDefaultConverter();
  83
  84    if(U_FAILURE(status)) {
  85       log_err("Error in test: %s\n", u_errorName(status));
  86    } else {
  87       if(!strcmp(nameBeforeSet, nameAfterSet)) { /* changing the default didn't affect. */
  88           log_info("Skipping test: ucnv_setDefaultName() did not affect actual name of %s\n", nameBeforeSet);
  89       } else {
  90           if(strcmp(nameBeforeSet, nameAfterRestore)) {
  91                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);
  92           } else {
  93               log_verbose("Test passed. \n");
  94           }
  95       }
  96    }
  97 }
  98
  99