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ICU-307 add tests for alias table integrity

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X-SVN-Rev: 1961
This commit is contained in:
Alan Liu 2000-07-19 23:57:13 +00:00
parent 48dd6446c1
commit ed0fa66665
2 changed files with 78 additions and 1 deletions
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78
icu4c/source/test/cintltst/ccapitst.c
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@ -42,7 +42,7 @@ UConverterToUCallback otherCharAction(UConverterToUCallback MIA);
void addTestConvert(TestNode** root)
{
addTest(root, &TestConvert, "tsconv/ccapitst/TestConvert");
addTest(root, &TestAlias, "tsconv/ccapitst/TestAlias");
}
void TestConvert()
@ -985,3 +985,79 @@ UConverterToUCallback otherCharAction(UConverterToUCallback MIA)
{
return (MIA==(UConverterToUCallback)UCNV_TO_U_CALLBACK_STOP)?(UConverterToUCallback)UCNV_TO_U_CALLBACK_SUBSTITUTE:(UConverterToUCallback)UCNV_TO_U_CALLBACK_STOP;
}
/**
* Test the converter alias API, specifically the fuzzy matching of
* alias names and the alias table integrity. Make sure each
* converter has at least one alias (itself), and that its listed
* aliases map back to itself. Check some hard-coded UTF8 and
* ISO_2022 aliases to make sure they work.
*/
void TestAlias() {
int32_t i, ncnv;
UErrorCode status = U_ZERO_ERROR;
/* Predetermined aliases that we expect to map back to ISO_2022
* and UTF8. UPDATE THIS DATA AS NECESSARY. */
const char* ISO_2022_NAMES[] =
{"ISO_2022", "iso-2022", "2022",
"cp2022", "iso2022", "iso_2022"};
int32_t ISO_2022_NAMES_LENGTH =
sizeof(ISO_2022_NAMES) / sizeof(ISO_2022_NAMES[0]);
const char *UTF8_NAMES[] =
{ "UTF8", "utf-8", "utf8", "ibm-1208",
"utf_8", "ibm1208", "cp1208" };
int32_t UTF8_NAMES_LENGTH =
sizeof(UTF8_NAMES) / sizeof(UTF8_NAMES[0]);
/* When there are bugs in gencnval or in ucnv_io, converters can
appear to have no aliases. */
ncnv = ucnv_countAvailable();
log_verbose("%d converters\n", ncnv);
for (i=0; i<ncnv; ++i) {
const char *name = ucnv_getAvailableName(i);
const char *alias0;
uint16_t na = ucnv_countAliases(name, &status);
uint16_t j;
if (na == 0) {
log_err("FAIL: Converter \"%s\" (i=%d)"
" has no aliases; expect at least one\n",
name, i);
continue;
}
alias0 = ucnv_getAlias(name, 0, &status);
for (j=1; j<na; ++j) {
const char *alias = ucnv_getAlias(name, j, &status);
/* Make sure each alias maps back to the the same list of
aliases. Assume that if alias 0 is the same, the whole
list is the same (this should always be true). */
const char *mapBack = ucnv_getAlias(alias, 0, &status);
if (0 != uprv_strcmp(alias0, mapBack)) {
log_err("FAIL: Converter \"%s\" -> "
"alias[%d]=\"%s\" -> "
"alias[0]=\"%s\", exp. \"%s\"\n",
name, j, alias, mapBack, alias0);
}
}
}
/* Check a list of predetermined aliases that we expect to map
* back to ISO_2022 and UTF8. */
for (i=1; i<ISO_2022_NAMES_LENGTH; ++i) {
const char* mapBack = ucnv_getAlias(ISO_2022_NAMES[i], 0, &status);
if (0 != uprv_strcmp(mapBack, ISO_2022_NAMES[0])) {
log_err("FAIL: \"%s\" -> \"%s\", expect ISO_2022\n",
ISO_2022_NAMES[i], mapBack);
}
}
for (i=1; i<UTF8_NAMES_LENGTH; ++i) {
const char* mapBack = ucnv_getAlias(UTF8_NAMES[i], 0, &status);
if (0 != uprv_strcmp(mapBack, UTF8_NAMES[0])) {
log_err("FAIL: \"%s\" -> \"%s\", expect UTF8\n",
UTF8_NAMES[i], mapBack);
}
}
}

1
icu4c/source/test/cintltst/ccapitst.h
View File

@ -19,5 +19,6 @@
#include "unicode/utypes.h"
static void TestConvert(void);
static void TestAlias(void);
#endif