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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
* Copyright (c) 1997-2014, International Business Machines
* Corporation and others. All Rights Reserved.
********************************************************************
*
* File UCNVSELTST.C
*
* Modification History:
* Name Description
* MOHAMED ELDAWY Creation
********************************************************************
*/
/* C API AND FUNCTIONALITY TEST FOR CONVERTER SELECTOR (ucnvsel.h)*/
#include "ucnvseltst.h"
#include <stdio.h>
#include "unicode/utypes.h"
#include "unicode/ucnvsel.h"
#include "unicode/ustring.h"
#include "unicode/utf8.h"
#include "cmemory.h"
#include "cstring.h"
#include "propsvec.h"
#define FILENAME_BUFFER 1024
#define TDSRCPATH ".." U_FILE_SEP_STRING "test" U_FILE_SEP_STRING "testdata" U_FILE_SEP_STRING
static void TestSelector(void);
static void TestUPropsVector(void);
void addCnvSelTest(TestNode** root); /* Declaration required to suppress compiler warnings. */
void addCnvSelTest(TestNode** root)
{
addTest(root, &TestSelector, "tsconv/ucnvseltst/TestSelector");
addTest(root, &TestUPropsVector, "tsconv/ucnvseltst/TestUPropsVector");
}
static const char **gAvailableNames = NULL;
static int32_t gCountAvailable = 0;
static UBool
getAvailableNames() {
int32_t i;
if (gAvailableNames != NULL) {
return TRUE;
}
gCountAvailable = ucnv_countAvailable();
if (gCountAvailable == 0) {
log_data_err("No converters available.\n");
return FALSE;
}
gAvailableNames = (const char **)uprv_malloc(gCountAvailable * sizeof(const char *));
if (gAvailableNames == NULL) {
log_err("unable to allocate memory for %ld available converter names\n",
(long)gCountAvailable);
return FALSE;
}
for (i = 0; i < gCountAvailable; ++i) {
gAvailableNames[i] = ucnv_getAvailableName(i);
}
return TRUE;
}
static void
releaseAvailableNames() {
uprv_free((void *)gAvailableNames);
gAvailableNames = NULL;
gCountAvailable = 0;
}
static const char **
getEncodings(int32_t start, int32_t step, int32_t count, int32_t *pCount) {
const char **names;
int32_t i;
*pCount = 0;
if (count <= 0) {
return NULL;
}
names = (const char **)uprv_malloc(count * sizeof(char *));
if (names == NULL) {
log_err("memory allocation error for %ld pointers\n", (long)count);
return NULL;
}
if (step == 0 && count > 0) {
step = 1;
}
for (i = 0; i < count; ++i) {
if (0 <= start && start < gCountAvailable) {
names[i] = gAvailableNames[start];
start += step;
++*pCount;
}
}
return names;
}
#if 0
/*
* ucnvsel_open() does not support "no encodings":
* Given 0 encodings it will open a selector for all available ones.
*/
static const char **
getNoEncodings(int32_t *pCount) {
*pCount = 0;
return NULL;
}
#endif
static const char **
getOneEncoding(int32_t *pCount) {
return getEncodings(1, 0, 1, pCount);
}
static const char **
getFirstEvenEncodings(int32_t *pCount) {
return getEncodings(0, 2, 25, pCount);
}
static const char **
getMiddleEncodings(int32_t *pCount) {
return getEncodings(gCountAvailable - 12, 1, 22, pCount);
}
static const char **
getLastEncodings(int32_t *pCount) {
return getEncodings(gCountAvailable - 1, -1, 25, pCount);
}
static const char **
getSomeEncodings(int32_t *pCount) {
/* 20 evenly distributed */
return getEncodings(5, (gCountAvailable + 19)/ 20, 20, pCount);
}
static const char **
getEveryThirdEncoding(int32_t *pCount) {
return getEncodings(2, 3, (gCountAvailable + 2 )/ 3, pCount);
}
static const char **
getAllEncodings(int32_t *pCount) {
return getEncodings(0, 1, gCountAvailable, pCount);
}
typedef const char **GetEncodingsFn(int32_t *);
static GetEncodingsFn *const getEncodingsFns[] = {
getOneEncoding,
getFirstEvenEncodings,
getMiddleEncodings,
getLastEncodings,
getSomeEncodings,
getEveryThirdEncoding,
getAllEncodings
};
static FILE *fopenOrError(const char *filename) {
int32_t needLen;
FILE *f;
char fnbuf[FILENAME_BUFFER];
const char* directory = ctest_dataSrcDir();
needLen = (int32_t)(uprv_strlen(directory) + uprv_strlen(TDSRCPATH) + uprv_strlen(filename) + 1);
if(needLen > FILENAME_BUFFER) {
log_err("FAIL: Could not load %s. Filename buffer overflow, needed %d but buffer is %d\n",
filename, needLen, FILENAME_BUFFER);
return NULL;
}
strcpy(fnbuf, directory);
strcat(fnbuf, TDSRCPATH);
strcat(fnbuf, filename);
f = fopen(fnbuf, "rb");
if(f == NULL) {
log_data_err("FAIL: Could not load %s [%s]\n", fnbuf, filename);
}
return f;
}
typedef struct TestText {
char *text, *textLimit;
char *limit;
int32_t number;
} TestText;
static void
text_reset(TestText *tt) {
tt->limit = tt->text;
tt->number = 0;
}
static char *
text_nextString(TestText *tt, int32_t *pLength) {
char *s = tt->limit;
if (s == tt->textLimit) {
/* we already delivered the last string */
return NULL;
} else if (s == tt->text) {
/* first string */
if ((tt->textLimit - tt->text) >= 3 &&
s[0] == (char)0xef && s[1] == (char)0xbb && s[2] == (char)0xbf
) {
s += 3; /* skip the UTF-8 signature byte sequence (U+FEFF) */
}
} else {
/* skip the string terminator */
++s;
++tt->number;
}
/* find the end of this string */
tt->limit = uprv_strchr(s, 0);
*pLength = (int32_t)(tt->limit - s);
return s;
}
static UBool
text_open(TestText *tt) {
FILE *f;
char *s;
int32_t length;
uprv_memset(tt, 0, sizeof(TestText));
f = fopenOrError("ConverterSelectorTestUTF8.txt");
if(!f) {
return FALSE;
}
fseek(f, 0, SEEK_END);
length = (int32_t)ftell(f);
fseek(f, 0, SEEK_SET);
tt->text = (char *)uprv_malloc(length + 1);
if (tt->text == NULL) {
fclose(f);
return FALSE;
}
if (length != (int32_t)fread(tt->text, 1, length, f)) {
log_err("error reading %ld bytes from test text file\n", (long)length);
length = 0;
uprv_free(tt->text);
}
fclose(f);
tt->textLimit = tt->text + length;
*tt->textLimit = 0;
/* replace all Unicode '#' (U+0023) with NUL */
for(s = tt->text; (s = uprv_strchr(s, 0x23)) != NULL; *s++ = 0) {}
text_reset(tt);
return TRUE;
}
static void
text_close(TestText *tt) {
uprv_free(tt->text);
}
static int32_t findIndex(const char* converterName) {
int32_t i;
for (i = 0 ; i < gCountAvailable; i++) {
if(ucnv_compareNames(gAvailableNames[i], converterName) == 0) {
return i;
}
}
return -1;
}
static UBool *
getResultsManually(const char** encodings, int32_t num_encodings,
const char *utf8, int32_t length,
const USet* excludedCodePoints, const UConverterUnicodeSet whichSet) {
UBool* resultsManually;
int32_t i;
resultsManually = (UBool*) uprv_malloc(gCountAvailable);
uprv_memset(resultsManually, 0, gCountAvailable);
for(i = 0 ; i < num_encodings ; i++) {
UErrorCode status = U_ZERO_ERROR;
/* get unicode set for that converter */
USet* set;
UConverter* test_converter;
UChar32 cp;
int32_t encIndex, offset;
set = uset_openEmpty();
test_converter = ucnv_open(encodings[i], &status);
ucnv_getUnicodeSet(test_converter, set,
whichSet, &status);
if (excludedCodePoints != NULL) {
uset_addAll(set, excludedCodePoints);
}
uset_freeze(set);
offset = 0;
cp = 0;
encIndex = findIndex(encodings[i]);
/*
* The following is almost, but not entirely, the same as
* resultsManually[encIndex] =
* (UBool)(uset_spanUTF8(set, utf8, length, USET_SPAN_SIMPLE) == length);
* They might be different if the set contains strings,
* or if the utf8 string contains an illegal sequence.
*
* The UConverterSelector does not currently handle strings that can be
* converted, and it treats an illegal sequence as convertible
* while uset_spanUTF8() treats it like U+FFFD which may not be convertible.
*/
resultsManually[encIndex] = TRUE;
while(offset<length) {
U8_NEXT(utf8, offset, length, cp);
if (cp >= 0 && !uset_contains(set, cp)) {
resultsManually[encIndex] = FALSE;
break;
}
}
uset_close(set);
ucnv_close(test_converter);
}
return resultsManually;
}
/* closes res but does not free resultsManually */
static void verifyResult(UEnumeration* res, const UBool *resultsManually) {
UBool* resultsFromSystem = (UBool*) uprv_malloc(gCountAvailable * sizeof(UBool));
const char* name;
UErrorCode status = U_ZERO_ERROR;
int32_t i;
/* fill the bool for the selector results! */
uprv_memset(resultsFromSystem, 0, gCountAvailable);
while ((name = uenum_next(res,NULL, &status)) != NULL) {
resultsFromSystem[findIndex(name)] = TRUE;
}
for(i = 0 ; i < gCountAvailable; i++) {
if(resultsManually[i] != resultsFromSystem[i]) {
log_err("failure in converter selector\n"
"converter %s had conflicting results -- manual: %d, system %d\n",
gAvailableNames[i], resultsManually[i], resultsFromSystem[i]);
}
}
uprv_free(resultsFromSystem);
uenum_close(res);
}
static UConverterSelector *
serializeAndUnserialize(UConverterSelector *sel, char **buffer, UErrorCode *status) {
char *new_buffer;
int32_t ser_len, ser_len2;
/* preflight */
ser_len = ucnvsel_serialize(sel, NULL, 0, status);
if (*status != U_BUFFER_OVERFLOW_ERROR) {
log_err("ucnvsel_serialize(preflighting) failed: %s\n", u_errorName(*status));
return sel;
}
new_buffer = (char *)uprv_malloc(ser_len);
*status = U_ZERO_ERROR;
ser_len2 = ucnvsel_serialize(sel, new_buffer, ser_len, status);
if (U_FAILURE(*status) || ser_len != ser_len2) {
log_err("ucnvsel_serialize() failed: %s\n", u_errorName(*status));
uprv_free(new_buffer);
return sel;
}
ucnvsel_close(sel);
uprv_free(*buffer);
*buffer = new_buffer;
sel = ucnvsel_openFromSerialized(new_buffer, ser_len, status);
if (U_FAILURE(*status)) {
log_err("ucnvsel_openFromSerialized() failed: %s\n", u_errorName(*status));
return NULL;
}
return sel;
}
static void TestSelector()
{
TestText text;
USet* excluded_sets[3] = { NULL };
int32_t i, testCaseIdx;
if (!getAvailableNames()) {
return;
}
if (!text_open(&text)) {
releaseAvailableNames();
}
excluded_sets[0] = uset_openEmpty();
for(i = 1 ; i < 3 ; i++) {
excluded_sets[i] = uset_open(i*30, i*30+500);
}
for(testCaseIdx = 0; testCaseIdx < UPRV_LENGTHOF(getEncodingsFns); testCaseIdx++)
{
int32_t excluded_set_id;
int32_t num_encodings;
const char **encodings = getEncodingsFns[testCaseIdx](&num_encodings);
if (getTestOption(QUICK_OPTION) && num_encodings > 25) {
uprv_free((void *)encodings);
continue;
}
/*
* for(excluded_set_id = 0 ; excluded_set_id < 3 ; excluded_set_id++)
*
* This loop was replaced by the following statement because
* the loop made the test run longer without adding to the code coverage.
* The handling of the exclusion set is independent of the
* set of encodings, so there is no need to test every combination.
*/
excluded_set_id = testCaseIdx % UPRV_LENGTHOF(excluded_sets);
{
UConverterSelector *sel_rt, *sel_fb;
char *buffer_fb = NULL;
UErrorCode status = U_ZERO_ERROR;
sel_rt = ucnvsel_open(encodings, num_encodings,
excluded_sets[excluded_set_id],
UCNV_ROUNDTRIP_SET, &status);
if (num_encodings == gCountAvailable) {
/* test the special "all converters" parameter values */
sel_fb = ucnvsel_open(NULL, 0,
excluded_sets[excluded_set_id],
UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
} else if (uset_isEmpty(excluded_sets[excluded_set_id])) {
/* test that a NULL set gives the same results as an empty set */
sel_fb = ucnvsel_open(encodings, num_encodings,
NULL,
UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
} else {
sel_fb = ucnvsel_open(encodings, num_encodings,
excluded_sets[excluded_set_id],
UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
}
if (U_FAILURE(status)) {
log_err("ucnv_sel_open(encodings %ld) failed - %s\n", testCaseIdx, u_errorName(status));
ucnvsel_close(sel_rt);
uprv_free((void *)encodings);
continue;
}
text_reset(&text);
for (;;) {
UBool *manual_rt, *manual_fb;
static UChar utf16[10000];
char *s;
int32_t length8, length16;
s = text_nextString(&text, &length8);
if (s == NULL || (getTestOption(QUICK_OPTION) && text.number > 3)) {
break;
}
manual_rt = getResultsManually(encodings, num_encodings,
s, length8,
excluded_sets[excluded_set_id],
UCNV_ROUNDTRIP_SET);
manual_fb = getResultsManually(encodings, num_encodings,
s, length8,
excluded_sets[excluded_set_id],
UCNV_ROUNDTRIP_AND_FALLBACK_SET);
/* UTF-8 with length */
status = U_ZERO_ERROR;
verifyResult(ucnvsel_selectForUTF8(sel_rt, s, length8, &status), manual_rt);
verifyResult(ucnvsel_selectForUTF8(sel_fb, s, length8, &status), manual_fb);
/* UTF-8 NUL-terminated */
verifyResult(ucnvsel_selectForUTF8(sel_rt, s, -1, &status), manual_rt);
verifyResult(ucnvsel_selectForUTF8(sel_fb, s, -1, &status), manual_fb);
u_strFromUTF8(utf16, UPRV_LENGTHOF(utf16), &length16, s, length8, &status);
if (U_FAILURE(status)) {
log_err("error converting the test text (string %ld) to UTF-16 - %s\n",
(long)text.number, u_errorName(status));
} else {
if (text.number == 0) {
sel_fb = serializeAndUnserialize(sel_fb, &buffer_fb, &status);
}
if (U_SUCCESS(status)) {
/* UTF-16 with length */
verifyResult(ucnvsel_selectForString(sel_rt, utf16, length16, &status), manual_rt);
verifyResult(ucnvsel_selectForString(sel_fb, utf16, length16, &status), manual_fb);
/* UTF-16 NUL-terminated */
verifyResult(ucnvsel_selectForString(sel_rt, utf16, -1, &status), manual_rt);
verifyResult(ucnvsel_selectForString(sel_fb, utf16, -1, &status), manual_fb);
}
}
uprv_free(manual_rt);
uprv_free(manual_fb);
}
ucnvsel_close(sel_rt);
ucnvsel_close(sel_fb);
uprv_free(buffer_fb);
}
uprv_free((void *)encodings);
}
releaseAvailableNames();
text_close(&text);
for(i = 0 ; i < 3 ; i++) {
uset_close(excluded_sets[i]);
}
}
/* Improve code coverage of UPropsVectors */
static void TestUPropsVector() {
UErrorCode errorCode = U_ILLEGAL_ARGUMENT_ERROR;
UPropsVectors *pv = upvec_open(100, &errorCode);
if (pv != NULL) {
log_err("Should have returned NULL if UErrorCode is an error.");
return;
}
errorCode = U_ZERO_ERROR;
pv = upvec_open(-1, &errorCode);
if (pv != NULL || U_SUCCESS(errorCode)) {
log_err("Should have returned NULL if column is less than 0.\n");
return;
}
errorCode = U_ZERO_ERROR;
pv = upvec_open(100, &errorCode);
if (pv == NULL || U_FAILURE(errorCode)) {
log_err("Unable to open UPropsVectors.\n");
return;
}
if (upvec_getValue(pv, 0, 1) != 0) {
log_err("upvec_getValue should return 0.\n");
}
if (upvec_getRow(pv, 0, NULL, NULL) == NULL) {
log_err("upvec_getRow should not return NULL.\n");
}
if (upvec_getArray(pv, NULL, NULL) != NULL) {
log_err("upvec_getArray should return NULL.\n");
}
upvec_close(pv);
}