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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 */
TestDefaultConverterError(void)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. */
copyDefaultConverterName(char * out,UErrorCode * status)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 */
TestDefaultConverterSet(void)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 
100