ICU-461.12.tar.gz

[apple/icu.git] / icuSources / test / cintltst / cctest.c

diff --git a/icuSources/test/cintltst/cctest.c b/icuSources/test/cintltst/cctest.c
index c7085a12b6af071f456666eb8ea8bb9ab90da421..4f4db0e683881e2afe8f195f537335318fe56f88 100644 (file)
--- a/icuSources/test/cintltst/cctest.c
+++ b/icuSources/test/cintltst/cctest.c
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2004, International Business Machines Corporation and
+ * Copyright (c) 1997-2010, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
@@ -9,7 +9,9 @@
 
 #include "cintltst.h"
 #include "ustr_cnv.h"
+#include <string.h>
 void TestDefaultConverterError(void); /* keep gcc happy */
+void TestDefaultConverterSet(void); /* keep gcc happy */
 
 
 /* This makes sure that a converter isn't leaked when an error is passed to 
@@ -32,5 +34,64 @@ void TestDefaultConverterError(void) {
     }
 }
 
+/* Get the default converter. Copy its name. Put it back. */
+static void copyDefaultConverterName(char *out, UErrorCode *status) {
+    UConverter *defConv;
+    const char *itsName;
+    out[0]=0;
+    if(U_FAILURE(*status)) return;
+    defConv = u_getDefaultConverter(status);
+    /* get its name */
+    itsName = ucnv_getName(defConv, status);
+    if(U_FAILURE(*status)) return;
+    strcpy(out, itsName); 
+    /* put it back. */
+    u_releaseDefaultConverter(defConv); 
+}
+
+/* 
+  Changing the default name may not affect the actual name from u_getDefaultConverter
+   ( for example, if UTF-8 is the fixed converter ).
+  But, if it does cause a change, that change should be reflected when the converter is
+  set back.
+*/
+void TestDefaultConverterSet(void) {
+    UErrorCode status = U_ZERO_ERROR;
+    static char defaultName[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
+    static char nameBeforeSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
+    static char nameAfterSet[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
+    static char nameAfterRestore[UCNV_MAX_CONVERTER_NAME_LENGTH + 1];
+    static const char SET_TO[]="iso-8859-3";
+    strcpy(defaultName, ucnv_getDefaultName());
+
+    log_verbose("getDefaultName returned %s\n", defaultName);
+
+   /* first, flush any extant converter */
+   u_flushDefaultConverter();
+   copyDefaultConverterName(nameBeforeSet, &status);
+   log_verbose("name from u_getDefaultConverter() = %s\n", nameBeforeSet);
+   u_flushDefaultConverter();
+   ucnv_setDefaultName(SET_TO);
+   copyDefaultConverterName(nameAfterSet, &status);
+   log_verbose("name from u_getDefaultConverter() after set to %s (%s) = %s\n", SET_TO, ucnv_getDefaultName(), nameAfterSet);
+   ucnv_setDefaultName(defaultName);
+   copyDefaultConverterName(nameAfterRestore, &status);
+   log_verbose("name from u_getDefaultConverter() after restore = %s\n", nameAfterRestore);
+   u_flushDefaultConverter();
+
+   if(U_FAILURE(status)) {
+      log_err("Error in test: %s\n", u_errorName(status));
+   } else {
+      if(!strcmp(nameBeforeSet, nameAfterSet)) { /* changing the default didn't affect. */
+          log_info("Skipping test: ucnv_setDefaultName() did not affect actual name of %s\n", nameBeforeSet);
+      } else {
+          if(strcmp(nameBeforeSet, nameAfterRestore)) {
+               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);
+          } else {
+              log_verbose("Test passed. \n");
+          }
+      }
+   }
+}