498 lines
14 KiB
C
498 lines
14 KiB
C
/********************************************************************
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* Copyright (c) 1997-2009, International Business Machines
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* Corporation and others. All Rights Reserved.
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********************************************************************
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*
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* File UCNVSELTST.C
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*
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* Modification History:
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* Name Description
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* MOHAMED ELDAWY Creation
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********************************************************************
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*/
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/* C API AND FUNCTIONALITY TEST FOR CONVERTER SELECTOR (ucnvsel.h)*/
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#include "ucnvseltst.h"
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#include <stdio.h>
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#include "unicode/utypes.h"
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#include "unicode/ucnvsel.h"
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#include "unicode/ustring.h"
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#include "cmemory.h"
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#include "cstring.h"
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#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
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#define FILENAME_BUFFER 1024
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#define TDSRCPATH ".." U_FILE_SEP_STRING "test" U_FILE_SEP_STRING "testdata" U_FILE_SEP_STRING
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static void TestSelector(void);
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void addCnvSelTest(TestNode** root)
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{
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addTest(root, &TestSelector, "tsconv/ucnvseltst/TestSelector");
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}
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static const char **gAvailableNames = NULL;
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static int32_t gCountAvailable = 0;
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static UBool
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getAvailableNames() {
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int32_t i;
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if (gAvailableNames != NULL) {
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return TRUE;
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}
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gCountAvailable = ucnv_countAvailable();
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gAvailableNames = (const char **)uprv_malloc(gCountAvailable * sizeof(const char *));
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if (gAvailableNames == NULL) {
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log_err("unable to allocate memory for %ld available converter names\n",
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(long)gCountAvailable);
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return FALSE;
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}
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for (i = 0; i < gCountAvailable; ++i) {
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gAvailableNames[i] = ucnv_getAvailableName(i);
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}
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return TRUE;
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}
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static void
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releaseAvailableNames() {
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uprv_free((void *)gAvailableNames);
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gAvailableNames = NULL;
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gCountAvailable = 0;
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}
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static const char **
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getEncodings(int32_t start, int32_t step, int32_t count, int32_t *pCount) {
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const char **names;
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int32_t i;
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*pCount = 0;
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if (count <= 0) {
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return NULL;
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}
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names = (const char **)uprv_malloc(count * sizeof(char *));
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if (names == NULL) {
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log_err("memory allocation error for %ld pointers\n", (long)count);
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return NULL;
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}
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if (step == 0 && count > 0) {
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step = 1;
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}
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for (i = 0; i < count; ++i) {
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if (0 <= start && start < gCountAvailable) {
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names[i] = gAvailableNames[start];
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start += step;
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++*pCount;
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}
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}
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return names;
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}
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#if 0
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/*
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* ucnvsel_open() does not support "no encodings":
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* Given 0 encodings it will open a selector for all available ones.
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*/
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static const char **
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getNoEncodings(int32_t *pCount) {
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*pCount = 0;
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return NULL;
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}
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#endif
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static const char **
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getOneEncoding(int32_t *pCount) {
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return getEncodings(1, 0, 1, pCount);
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}
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static const char **
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getFirstEvenEncodings(int32_t *pCount) {
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return getEncodings(0, 2, 25, pCount);
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}
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static const char **
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getMiddleEncodings(int32_t *pCount) {
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return getEncodings(gCountAvailable - 12, 1, 22, pCount);
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}
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static const char **
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getLastEncodings(int32_t *pCount) {
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return getEncodings(gCountAvailable - 1, -1, 25, pCount);
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}
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static const char **
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getSomeEncodings(int32_t *pCount) {
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/* 20 evenly distributed */
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return getEncodings(5, (gCountAvailable + 19)/ 20, 20, pCount);
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}
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static const char **
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getEveryThirdEncoding(int32_t *pCount) {
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return getEncodings(2, 3, (gCountAvailable + 2 )/ 3, pCount);
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}
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static const char **
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getAllEncodings(int32_t *pCount) {
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return getEncodings(0, 1, gCountAvailable, pCount);
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}
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typedef const char **GetEncodingsFn(int32_t *);
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static GetEncodingsFn *const getEncodingsFns[] = {
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getOneEncoding,
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getFirstEvenEncodings,
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getMiddleEncodings,
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getLastEncodings,
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getSomeEncodings,
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getEveryThirdEncoding,
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getAllEncodings
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};
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static FILE *fopenOrError(const char *filename) {
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int32_t needLen;
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FILE *f;
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char fnbuf[FILENAME_BUFFER];
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const char* directory= ctest_dataSrcDir();
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needLen = uprv_strlen(directory)+uprv_strlen(TDSRCPATH)+uprv_strlen(filename)+1;
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if(needLen > FILENAME_BUFFER) {
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log_err("FAIL: Could not load %s. Filename buffer overflow, needed %d but buffer is %d\n",
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filename, needLen, FILENAME_BUFFER);
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return NULL;
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}
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strcpy(fnbuf, directory);
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strcat(fnbuf, TDSRCPATH);
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strcat(fnbuf, filename);
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f = fopen(fnbuf, "rb");
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if(f == NULL) {
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log_data_err("FAIL: Could not load %s [%s]\n", fnbuf, filename);
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}
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return f;
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}
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typedef struct TestText {
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char *text, *textLimit;
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char *limit;
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int32_t number;
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} TestText;
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static void
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text_reset(TestText *tt) {
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tt->limit = tt->text;
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tt->number = 0;
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}
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static char *
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text_nextString(TestText *tt, int32_t *pLength) {
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char *s = tt->limit;
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if (s == tt->textLimit) {
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/* we already delivered the last string */
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return NULL;
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} else if (s == tt->text) {
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/* first string */
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if ((tt->textLimit - tt->text) >= 3 &&
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s[0] == (char)0xef && s[1] == (char)0xbb && s[2] == (char)0xbf
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) {
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s += 3; /* skip the UTF-8 signature byte sequence (U+FEFF) */
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}
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} else {
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/* skip the string terminator */
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++s;
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++tt->number;
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}
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/* find the end of this string */
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tt->limit = uprv_strchr(s, 0);
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*pLength = (int32_t)(tt->limit - s);
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return s;
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}
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static UBool
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text_open(TestText *tt) {
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FILE *f;
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char *s;
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int32_t length;
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uprv_memset(tt, 0, sizeof(TestText));
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f = fopenOrError("ConverterSelectorTestUTF8.txt");
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if(!f) {
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return FALSE;
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}
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fseek(f, 0, SEEK_END);
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length = (int32_t)ftell(f);
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fseek(f, 0, SEEK_SET);
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tt->text = (char *)uprv_malloc(length + 1);
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if (tt->text == NULL) {
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fclose(f);
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return FALSE;
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}
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if (length != fread(tt->text, 1, length, f)) {
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log_err("error reading %ld bytes from test text file\n", (long)length);
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length = 0;
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uprv_free(tt->text);
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}
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fclose(f);
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tt->textLimit = tt->text + length;
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*tt->textLimit = 0;
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/* replace all Unicode '#' (U+0023) with NUL */
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for(s = tt->text; (s = uprv_strchr(s, 0x23)) != NULL; *s++ = 0) {}
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text_reset(tt);
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return TRUE;
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}
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static void
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text_close(TestText *tt) {
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uprv_free(tt->text);
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}
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static int32_t findIndex(const char* converterName) {
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int32_t i;
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for (i = 0 ; i < gCountAvailable; i++) {
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if(ucnv_compareNames(gAvailableNames[i], converterName) == 0) {
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return i;
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}
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}
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return -1;
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}
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static UBool *
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getResultsManually(const char** encodings, int32_t num_encodings,
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const char *utf8, int32_t length,
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const USet* excludedCodePoints, const UConverterUnicodeSet whichSet) {
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UBool* resultsManually;
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int32_t i;
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resultsManually = (UBool*) uprv_malloc(gCountAvailable);
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uprv_memset(resultsManually, 0, gCountAvailable);
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for(i = 0 ; i < num_encodings ; i++) {
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UErrorCode status = U_ZERO_ERROR;
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/* get unicode set for that converter */
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USet* set;
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UConverter* test_converter;
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UChar32 cp;
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int32_t encIndex, offset;
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set = uset_openEmpty();
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test_converter = ucnv_open(encodings[i], &status);
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ucnv_getUnicodeSet(test_converter, set,
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whichSet, &status);
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if (excludedCodePoints != NULL) {
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uset_addAll(set, excludedCodePoints);
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}
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uset_freeze(set);
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offset = 0;
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cp = 0;
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encIndex = findIndex(encodings[i]);
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/*
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* The following is almost, but not entirely, the same as
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* resultsManually[encIndex] =
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* (UBool)(uset_spanUTF8(set, utf8, length, USET_SPAN_SIMPLE) == length);
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* They might be different if the set contains strings,
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* or if the utf8 string contains an illegal sequence.
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*
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* The UConverterSelector does not currently handle strings that can be
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* converted, and it treats an illegal sequence as convertible
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* while uset_spanUTF8() treats it like U+FFFD which may not be convertible.
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*/
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resultsManually[encIndex] = TRUE;
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while(offset<length) {
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U8_NEXT(utf8, offset, length, cp);
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if (cp >= 0 && !uset_contains(set, cp)) {
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resultsManually[encIndex] = FALSE;
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break;
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}
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}
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uset_close(set);
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ucnv_close(test_converter);
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}
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return resultsManually;
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}
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/* closes res but does not free resultsManually */
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static void verifyResult(UEnumeration* res, const UBool *resultsManually) {
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UBool* resultsFromSystem = (UBool*) uprv_malloc(gCountAvailable * sizeof(UBool));
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const char* name;
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UErrorCode status = U_ZERO_ERROR;
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int32_t i;
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/* fill the bool for the selector results! */
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uprv_memset(resultsFromSystem, 0, gCountAvailable);
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while ((name = uenum_next(res,NULL, &status)) != NULL) {
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resultsFromSystem[findIndex(name)] = TRUE;
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}
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for(i = 0 ; i < gCountAvailable; i++) {
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if(resultsManually[i] != resultsFromSystem[i]) {
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log_err("failure in converter selector\n"
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"converter %s had conflicting results -- manual: %d, system %d\n",
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gAvailableNames[i], resultsManually[i], resultsFromSystem[i]);
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}
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}
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uprv_free(resultsFromSystem);
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uenum_close(res);
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}
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static UConverterSelector *
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serializeAndUnserialize(UConverterSelector *sel, char **buffer, UErrorCode *status) {
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char *new_buffer;
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int32_t ser_len, ser_len2;
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/* preflight */
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ser_len = ucnvsel_serialize(sel, NULL, 0, status);
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if (*status != U_BUFFER_OVERFLOW_ERROR) {
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log_err("ucnvsel_serialize(preflighting) failed: %s\n", u_errorName(*status));
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return sel;
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}
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new_buffer = (char *)uprv_malloc(ser_len);
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*status = U_ZERO_ERROR;
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ser_len2 = ucnvsel_serialize(sel, new_buffer, ser_len, status);
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if (U_FAILURE(*status) || ser_len != ser_len2) {
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log_err("ucnvsel_serialize() failed: %s\n", u_errorName(*status));
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uprv_free(new_buffer);
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return sel;
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}
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ucnvsel_close(sel);
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uprv_free(*buffer);
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*buffer = new_buffer;
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sel = ucnvsel_openFromSerialized(new_buffer, ser_len, status);
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if (U_FAILURE(*status)) {
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log_err("ucnvsel_openFromSerialized() failed: %s\n", u_errorName(*status));
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return NULL;
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}
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return sel;
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}
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static void TestSelector()
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{
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TestText text;
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USet* excluded_sets[3] = { NULL };
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int32_t i, testCaseIdx;
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if (!getAvailableNames()) {
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return;
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}
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if (!text_open(&text)) {
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releaseAvailableNames();;
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}
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excluded_sets[0] = uset_openEmpty();
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for(i = 1 ; i < 3 ; i++) {
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excluded_sets[i] = uset_open(i*30, i*30+500);
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}
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for(testCaseIdx = 0; testCaseIdx < LENGTHOF(getEncodingsFns); testCaseIdx++)
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{
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int32_t excluded_set_id;
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int32_t num_encodings;
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const char **encodings = getEncodingsFns[testCaseIdx](&num_encodings);
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if (QUICK && num_encodings > 25) {
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uprv_free((void *)encodings);
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continue;
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}
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/*
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* for(excluded_set_id = 0 ; excluded_set_id < 3 ; excluded_set_id++)
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*
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* This loop was replaced by the following statement because
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* the loop made the test run longer without adding to the code coverage.
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* The handling of the exclusion set is independent of the
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* set of encodings, so there is no need to test every combination.
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*/
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excluded_set_id = testCaseIdx % LENGTHOF(excluded_sets);
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{
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UConverterSelector *sel_rt, *sel_fb;
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char *buffer_fb = NULL;
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UErrorCode status = U_ZERO_ERROR;
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sel_rt = ucnvsel_open(encodings, num_encodings,
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excluded_sets[excluded_set_id],
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UCNV_ROUNDTRIP_SET, &status);
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if (num_encodings == gCountAvailable) {
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/* test the special "all converters" parameter values */
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sel_fb = ucnvsel_open(NULL, 0,
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excluded_sets[excluded_set_id],
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UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
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} else if (uset_isEmpty(excluded_sets[excluded_set_id])) {
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/* test that a NULL set gives the same results as an empty set */
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sel_fb = ucnvsel_open(encodings, num_encodings,
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NULL,
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UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
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} else {
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sel_fb = ucnvsel_open(encodings, num_encodings,
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excluded_sets[excluded_set_id],
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UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
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}
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if (U_FAILURE(status)) {
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log_err("ucnv_sel_open(encodings %ld) failed - %s\n", testCaseIdx, u_errorName(status));
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ucnvsel_close(sel_rt);
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uprv_free((void *)encodings);
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continue;
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}
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text_reset(&text);
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for (;;) {
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UBool *manual_rt, *manual_fb;
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static UChar utf16[10000];
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char *s;
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int32_t length8, length16;
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s = text_nextString(&text, &length8);
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if (s == NULL || (QUICK && text.number > 3)) {
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break;
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}
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manual_rt = getResultsManually(encodings, num_encodings,
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s, length8,
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excluded_sets[excluded_set_id],
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UCNV_ROUNDTRIP_SET);
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manual_fb = getResultsManually(encodings, num_encodings,
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s, length8,
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excluded_sets[excluded_set_id],
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UCNV_ROUNDTRIP_AND_FALLBACK_SET);
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/* UTF-8 with length */
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status = U_ZERO_ERROR;
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verifyResult(ucnvsel_selectForUTF8(sel_rt, s, length8, &status), manual_rt);
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verifyResult(ucnvsel_selectForUTF8(sel_fb, s, length8, &status), manual_fb);
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/* UTF-8 NUL-terminated */
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verifyResult(ucnvsel_selectForUTF8(sel_rt, s, -1, &status), manual_rt);
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verifyResult(ucnvsel_selectForUTF8(sel_fb, s, -1, &status), manual_fb);
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u_strFromUTF8(utf16, LENGTHOF(utf16), &length16, s, length8, &status);
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if (U_FAILURE(status)) {
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log_err("error converting the test text (string %ld) to UTF-16 - %s\n",
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(long)text.number, u_errorName(status));
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} else {
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if (text.number == 0) {
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sel_fb = serializeAndUnserialize(sel_fb, &buffer_fb, &status);
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}
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if (U_SUCCESS(status)) {
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/* UTF-16 with length */
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verifyResult(ucnvsel_selectForString(sel_rt, utf16, length16, &status), manual_rt);
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verifyResult(ucnvsel_selectForString(sel_fb, utf16, length16, &status), manual_fb);
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/* UTF-16 NUL-terminated */
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verifyResult(ucnvsel_selectForString(sel_rt, utf16, -1, &status), manual_rt);
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verifyResult(ucnvsel_selectForString(sel_fb, utf16, -1, &status), manual_fb);
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}
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}
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uprv_free(manual_rt);
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uprv_free(manual_fb);
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}
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ucnvsel_close(sel_rt);
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ucnvsel_close(sel_fb);
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uprv_free(buffer_fb);
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}
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uprv_free((void *)encodings);
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}
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releaseAvailableNames();
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text_close(&text);
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for(i = 0 ; i < 3 ; i++) {
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uset_close(excluded_sets[i]);
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}
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}
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