/******************************************************************** * COPYRIGHT: * Copyright (c) 2004, International Business Machines Corporation and * others. All Rights Reserved. ********************************************************************/ /******************************************************************************** * * File reapits.c * *********************************************************************************/ /*C API TEST FOR Regular Expressions */ /** * This is an API test for ICU regular expressions in C. It doesn't test very many cases, and doesn't * try to test the full functionality. It just calls each function and verifies that it * works on a basic level. * * More complete testing of regular expression functionality is done with the C++ tests. **/ #include "unicode/utypes.h" #if !UCONFIG_NO_REGULAR_EXPRESSIONS #include #include #include "unicode/uloc.h" #include "unicode/uregex.h" #include "unicode/ustring.h" #include "cintltst.h" #define TEST_ASSERT_SUCCESS(status) {if (U_FAILURE(status)) { \ log_err("Failure at file %s, line %d, error = %s\n", __FILE__, __LINE__, u_errorName(status));}} #define TEST_ASSERT(expr) {if ((expr)==FALSE) { \ log_err("Test Failure at file %s, line %d\n", __FILE__, __LINE__);}} #define TEST_ASSERT_STRING(expected, actual, nulTerm) { \ char buf_inside_macro[120]; \ int32_t len = (int32_t)strlen(expected); \ UBool success; \ if (nulTerm) { \ u_austrncpy(buf_inside_macro, (actual), len+1); \ success = (strcmp((expected), buf_inside_macro) == 0); \ } else { \ u_austrncpy(buf_inside_macro, (actual), len); \ success = (strncmp((expected), buf_inside_macro, len) == 0); \ } \ if (success == FALSE) { \ log_err("Failure at file %s, line %d, expected \"%s\", got \"%s\"\n", \ __FILE__, __LINE__, (expected), buf_inside_macro); \ } \ } static void TestRegexCAPI(void); void addURegexTest(TestNode** root); void addURegexTest(TestNode** root) { addTest(root, &TestRegexCAPI, "regex/TestRegexCAPI"); /* addTest(root, &TestBreakIteratorSafeClone, "tstxtbd/cbiapts/TestBreakIteratorSafeClone"); */ } static void TestRegexCAPI(void) { UErrorCode status = U_ZERO_ERROR; URegularExpression *re; UChar pat[200]; UChar *minus1; memset(&minus1, -1, sizeof(minus1)); /* Mimimalist open/close */ u_uastrncpy(pat, "abc*", sizeof(pat)/2); re = uregex_open(pat, -1, 0, 0, &status); TEST_ASSERT_SUCCESS(status); uregex_close(re); /* Open with all flag values set */ status = U_ZERO_ERROR; re = uregex_open(pat, -1, UREGEX_CASE_INSENSITIVE | UREGEX_COMMENTS | UREGEX_DOTALL | UREGEX_MULTILINE | UREGEX_UWORD, 0, &status); TEST_ASSERT_SUCCESS(status); uregex_close(re); /* Open with an invalid flag */ status = U_ZERO_ERROR; re = uregex_open(pat, -1, 0x40000000, 0, &status); TEST_ASSERT(status == U_REGEX_INVALID_FLAG); uregex_close(re); /* openC open from a C string */ { const UChar *p; int32_t len; status = U_ZERO_ERROR; re = uregex_openC("abc*", 0, 0, &status); TEST_ASSERT_SUCCESS(status); p = uregex_pattern(re, &len, &status); TEST_ASSERT_SUCCESS(status); u_uastrncpy(pat, "abc*", sizeof(pat)/2); TEST_ASSERT(u_strcmp(pat, p) == 0); TEST_ASSERT(len==(int32_t)strlen("abc*")); uregex_close(re); /* TODO: Open with ParseError parameter */ } /* * clone */ { URegularExpression *clone1; URegularExpression *clone2; URegularExpression *clone3; UChar testString1[30]; UChar testString2[30]; UBool result; status = U_ZERO_ERROR; re = uregex_openC("abc*", 0, 0, &status); TEST_ASSERT_SUCCESS(status); clone1 = uregex_clone(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(clone1 != NULL); status = U_ZERO_ERROR; clone2 = uregex_clone(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(clone2 != NULL); uregex_close(re); status = U_ZERO_ERROR; clone3 = uregex_clone(clone2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(clone3 != NULL); u_uastrncpy(testString1, "abcccd", sizeof(pat)/2); u_uastrncpy(testString2, "xxxabcccd", sizeof(pat)/2); status = U_ZERO_ERROR; uregex_setText(clone1, testString1, -1, &status); TEST_ASSERT_SUCCESS(status); result = uregex_lookingAt(clone1, 0, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(result==TRUE); status = U_ZERO_ERROR; uregex_setText(clone2, testString2, -1, &status); TEST_ASSERT_SUCCESS(status); result = uregex_lookingAt(clone2, 0, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(result==FALSE); result = uregex_find(clone2, 0, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(result==TRUE); uregex_close(clone1); uregex_close(clone2); uregex_close(clone3); } /* * pattern() */ { const UChar *resultPat; int32_t resultLen; u_uastrncpy(pat, "hello", sizeof(pat)/2); status = U_ZERO_ERROR; re = uregex_open(pat, -1, 0, NULL, &status); resultPat = uregex_pattern(re, &resultLen, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(resultLen == -1); TEST_ASSERT(u_strcmp(resultPat, pat) == 0); uregex_close(re); status = U_ZERO_ERROR; re = uregex_open(pat, 3, 0, NULL, &status); resultPat = uregex_pattern(re, &resultLen, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(resultLen == 3); TEST_ASSERT(u_strncmp(resultPat, pat, 3) == 0); TEST_ASSERT(u_strlen(resultPat) == 3); uregex_close(re); } /* * flags() */ { int32_t t; status = U_ZERO_ERROR; re = uregex_open(pat, -1, 0, NULL, &status); t = uregex_flags(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(t == 0); uregex_close(re); status = U_ZERO_ERROR; re = uregex_open(pat, -1, 0, NULL, &status); t = uregex_flags(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(t == 0); uregex_close(re); status = U_ZERO_ERROR; re = uregex_open(pat, -1, UREGEX_CASE_INSENSITIVE | UREGEX_DOTALL, NULL, &status); t = uregex_flags(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(t == (UREGEX_CASE_INSENSITIVE | UREGEX_DOTALL)); uregex_close(re); } /* * setText() and lookingAt() */ { UChar text1[50]; UChar text2[50]; UBool result; u_uastrncpy(text1, "abcccd", sizeof(text1)/2); u_uastrncpy(text2, "abcccxd", sizeof(text2)/2); status = U_ZERO_ERROR; u_uastrncpy(pat, "abc*d", sizeof(pat)/2); re = uregex_open(pat, -1, 0, NULL, &status); TEST_ASSERT_SUCCESS(status); /* Operation before doing a setText should fail... */ status = U_ZERO_ERROR; uregex_lookingAt(re, 0, &status); TEST_ASSERT( status== U_REGEX_INVALID_STATE); status = U_ZERO_ERROR; uregex_setText(re, text1, -1, &status); result = uregex_lookingAt(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text2, -1, &status); result = uregex_lookingAt(re, 0, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text1, -1, &status); result = uregex_lookingAt(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text1, 5, &status); result = uregex_lookingAt(re, 0, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text1, 6, &status); result = uregex_lookingAt(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); uregex_close(re); } /* * getText() */ { UChar text1[50]; UChar text2[50]; const UChar *result; int32_t textLength; u_uastrncpy(text1, "abcccd", sizeof(text1)/2); u_uastrncpy(text2, "abcccxd", sizeof(text2)/2); status = U_ZERO_ERROR; u_uastrncpy(pat, "abc*d", sizeof(pat)/2); re = uregex_open(pat, -1, 0, NULL, &status); uregex_setText(re, text1, -1, &status); result = uregex_getText(re, &textLength, &status); TEST_ASSERT(result == text1); TEST_ASSERT(textLength == -1); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text2, 7, &status); result = uregex_getText(re, &textLength, &status); TEST_ASSERT(result == text2); TEST_ASSERT(textLength == 7); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text2, 4, &status); result = uregex_getText(re, &textLength, &status); TEST_ASSERT(result == text2); TEST_ASSERT(textLength == 4); TEST_ASSERT_SUCCESS(status); uregex_close(re); } /* * matches() */ { UChar text1[50]; UBool result; int len; UChar nullString[] = {0,0,0}; u_uastrncpy(text1, "abcccde", sizeof(text1)/2); status = U_ZERO_ERROR; u_uastrncpy(pat, "abc*d", sizeof(pat)/2); re = uregex_open(pat, -1, 0, NULL, &status); uregex_setText(re, text1, -1, &status); result = uregex_matches(re, 0, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text1, 6, &status); result = uregex_matches(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, text1, 6, &status); result = uregex_matches(re, 1, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); uregex_close(re); status = U_ZERO_ERROR; re = uregex_openC(".?", 0, NULL, &status); uregex_setText(re, text1, -1, &status); len = u_strlen(text1); result = uregex_matches(re, len, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_setText(re, nullString, -1, &status); TEST_ASSERT_SUCCESS(status); result = uregex_matches(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT_SUCCESS(status); uregex_close(re); } /* * lookingAt() Used in setText test. */ /* * find(), findNext, start, end, reset */ { UChar text1[50]; UBool result; u_uastrncpy(text1, "012rx5rx890rxrx...", sizeof(text1)/2); status = U_ZERO_ERROR; re = uregex_openC("rx", 0, NULL, &status); uregex_setText(re, text1, -1, &status); result = uregex_find(re, 0, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT(uregex_start(re, 0, &status) == 3); TEST_ASSERT(uregex_end(re, 0, &status) == 5); TEST_ASSERT_SUCCESS(status); result = uregex_find(re, 9, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT(uregex_start(re, 0, &status) == 11); TEST_ASSERT(uregex_end(re, 0, &status) == 13); TEST_ASSERT_SUCCESS(status); result = uregex_find(re, 14, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_reset(re, 0, &status); result = uregex_findNext(re, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT(uregex_start(re, 0, &status) == 3); TEST_ASSERT(uregex_end(re, 0, &status) == 5); TEST_ASSERT_SUCCESS(status); result = uregex_findNext(re, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT(uregex_start(re, 0, &status) == 6); TEST_ASSERT(uregex_end(re, 0, &status) == 8); TEST_ASSERT_SUCCESS(status); status = U_ZERO_ERROR; uregex_reset(re, 12, &status); result = uregex_findNext(re, &status); TEST_ASSERT(result == TRUE); TEST_ASSERT(uregex_start(re, 0, &status) == 13); TEST_ASSERT(uregex_end(re, 0, &status) == 15); TEST_ASSERT_SUCCESS(status); result = uregex_findNext(re, &status); TEST_ASSERT(result == FALSE); TEST_ASSERT_SUCCESS(status); uregex_close(re); } /* * groupCount */ { int32_t result; status = U_ZERO_ERROR; re = uregex_openC("abc", 0, NULL, &status); result = uregex_groupCount(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(result == 0); uregex_close(re); status = U_ZERO_ERROR; re = uregex_openC("abc(def)(ghi(j))", 0, NULL, &status); result = uregex_groupCount(re, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(result == 3); uregex_close(re); } /* * group() */ { UChar text1[80]; UChar buf[80]; UBool result; int32_t resultSz; u_uastrncpy(text1, "noise abc interior def, and this is off the end", sizeof(text1)/2); status = U_ZERO_ERROR; re = uregex_openC("abc(.*?)def", 0, NULL, &status); TEST_ASSERT_SUCCESS(status); uregex_setText(re, text1, -1, &status); result = uregex_find(re, 0, &status); TEST_ASSERT(result==TRUE); /* Capture Group 0, the full match. Should succeed. */ status = U_ZERO_ERROR; resultSz = uregex_group(re, 0, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("abc interior def", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen("abc interior def")); /* Capture group #1. Should succeed. */ status = U_ZERO_ERROR; resultSz = uregex_group(re, 1, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING(" interior ", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen(" interior ")); /* Capture group out of range. Error. */ status = U_ZERO_ERROR; uregex_group(re, 2, buf, sizeof(buf)/2, &status); TEST_ASSERT(status == U_INDEX_OUTOFBOUNDS_ERROR); /* NULL buffer, pure pre-flight */ status = U_ZERO_ERROR; resultSz = uregex_group(re, 0, NULL, 0, &status); TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT(resultSz == (int32_t)strlen("abc interior def")); /* Too small buffer, truncated string */ status = U_ZERO_ERROR; memset(buf, -1, sizeof(buf)); resultSz = uregex_group(re, 0, buf, 5, &status); TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT_STRING("abc i", buf, FALSE); TEST_ASSERT(buf[5] == (UChar)0xffff); TEST_ASSERT(resultSz == (int32_t)strlen("abc interior def")); /* Output string just fits buffer, no NUL term. */ status = U_ZERO_ERROR; resultSz = uregex_group(re, 0, buf, (int32_t)strlen("abc interior def"), &status); TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); TEST_ASSERT_STRING("abc interior def", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("abc interior def")); TEST_ASSERT(buf[strlen("abc interior def")] == (UChar)0xffff); uregex_close(re); } /* * replaceFirst() */ { UChar text1[80]; UChar text2[80]; UChar replText[80]; UChar buf[80]; int32_t resultSz; u_uastrncpy(text1, "Replace xaax x1x x...x.", sizeof(text1)/2); u_uastrncpy(text2, "No match here.", sizeof(text2)/2); u_uastrncpy(replText, "<$1>", sizeof(replText)/2); status = U_ZERO_ERROR; re = uregex_openC("x(.*?)x", 0, NULL, &status); TEST_ASSERT_SUCCESS(status); /* Normal case, with match */ uregex_setText(re, text1, -1, &status); resultSz = uregex_replaceFirst(re, replText, -1, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("Replace x1x x...x.", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); /* No match. Text should copy to output with no changes. */ status = U_ZERO_ERROR; uregex_setText(re, text2, -1, &status); resultSz = uregex_replaceFirst(re, replText, -1, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("No match here.", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen("No match here.")); /* Match, output just fills buffer, no termination warning. */ status = U_ZERO_ERROR; uregex_setText(re, text1, -1, &status); memset(buf, -1, sizeof(buf)); resultSz = uregex_replaceFirst(re, replText, -1, buf, strlen("Replace x1x x...x."), &status); TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); TEST_ASSERT_STRING("Replace x1x x...x.", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); TEST_ASSERT(buf[resultSz] == (UChar)0xffff); /* Do the replaceFirst again, without first resetting anything. * Should give the same results. */ status = U_ZERO_ERROR; memset(buf, -1, sizeof(buf)); resultSz = uregex_replaceFirst(re, replText, -1, buf, strlen("Replace x1x x...x."), &status); TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); TEST_ASSERT_STRING("Replace x1x x...x.", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); TEST_ASSERT(buf[resultSz] == (UChar)0xffff); /* NULL buffer, zero buffer length */ status = U_ZERO_ERROR; resultSz = uregex_replaceFirst(re, replText, -1, NULL, 0, &status); TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); /* Buffer too small by one */ status = U_ZERO_ERROR; memset(buf, -1, sizeof(buf)); resultSz = uregex_replaceFirst(re, replText, -1, buf, strlen("Replace x1x x...x.")-1, &status); TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT_STRING("Replace x1x x...x", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); TEST_ASSERT(buf[resultSz] == (UChar)0xffff); uregex_close(re); } /* * replaceAll() */ { UChar text1[80]; UChar text2[80]; UChar replText[80]; UChar buf[80]; int32_t resultSz; int32_t expectedResultSize; int32_t i; u_uastrncpy(text1, "Replace xaax x1x x...x.", sizeof(text1)/2); u_uastrncpy(text2, "No match here.", sizeof(text2)/2); u_uastrncpy(replText, "<$1>", sizeof(replText)/2); expectedResultSize = u_strlen(text1); status = U_ZERO_ERROR; re = uregex_openC("x(.*?)x", 0, NULL, &status); TEST_ASSERT_SUCCESS(status); /* Normal case, with match */ uregex_setText(re, text1, -1, &status); resultSz = uregex_replaceAll(re, replText, -1, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("Replace <1> <...>.", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace xaax x1x x...x.")); /* No match. Text should copy to output with no changes. */ status = U_ZERO_ERROR; uregex_setText(re, text2, -1, &status); resultSz = uregex_replaceAll(re, replText, -1, buf, sizeof(buf)/2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("No match here.", buf, TRUE); TEST_ASSERT(resultSz == (int32_t)strlen("No match here.")); /* Match, output just fills buffer, no termination warning. */ status = U_ZERO_ERROR; uregex_setText(re, text1, -1, &status); memset(buf, -1, sizeof(buf)); resultSz = uregex_replaceAll(re, replText, -1, buf, strlen("Replace xaax x1x x...x."), &status); TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); TEST_ASSERT_STRING("Replace <1> <...>.", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace <1> <...>.")); TEST_ASSERT(buf[resultSz] == (UChar)0xffff); /* Do the replaceFirst again, without first resetting anything. * Should give the same results. */ status = U_ZERO_ERROR; memset(buf, -1, sizeof(buf)); resultSz = uregex_replaceAll(re, replText, -1, buf, strlen("Replace xaax x1x x...x."), &status); TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); TEST_ASSERT_STRING("Replace <1> <...>.", buf, FALSE); TEST_ASSERT(resultSz == (int32_t)strlen("Replace <1> <...>.")); TEST_ASSERT(buf[resultSz] == (UChar)0xffff); /* NULL buffer, zero buffer length */ status = U_ZERO_ERROR; resultSz = uregex_replaceAll(re, replText, -1, NULL, 0, &status); TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT(resultSz == (int32_t)strlen("Replace <1> <...>.")); /* Buffer too small. Try every size, which will tickle edge cases * in uregex_appendReplacement (used by replaceAll) */ for (i=0; i <1> <...>."); expected[i] = 0; TEST_ASSERT_STRING(expected, buf, FALSE); TEST_ASSERT(resultSz == expectedResultSize); TEST_ASSERT(buf[i] == (UChar)0xffff); } uregex_close(re); } /* * appendReplacement() */ { UChar text[100]; UChar repl[100]; UChar buf[100]; UChar *bufPtr; int32_t bufCap; status = U_ZERO_ERROR; re = uregex_openC(".*", 0, 0, &status); TEST_ASSERT_SUCCESS(status); u_uastrncpy(text, "whatever", sizeof(text)/2); u_uastrncpy(repl, "some other", sizeof(repl)/2); uregex_setText(re, text, -1, &status); /* match covers whole target string */ uregex_find(re, 0, &status); TEST_ASSERT_SUCCESS(status); bufPtr = buf; bufCap = sizeof(buf) / 2; uregex_appendReplacement(re, repl, -1, &bufPtr, &bufCap, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("some other", buf, TRUE); /* Match has \u \U escapes */ uregex_find(re, 0, &status); TEST_ASSERT_SUCCESS(status); bufPtr = buf; bufCap = sizeof(buf) / 2; u_uastrncpy(repl, "abc\\u0041\\U00000042 \\\\ $ \\abc", sizeof(repl)/2); uregex_appendReplacement(re, repl, -1, &bufPtr, &bufCap, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("abcAB \\ $ abc", buf, TRUE); uregex_close(re); } /* * appendTail(). Checked in ReplaceFirst(), replaceAll(). */ /* * split() */ { UChar textToSplit[80]; UChar text2[80]; UChar buf[200]; UChar *fields[10]; int32_t numFields; int32_t requiredCapacity; int32_t spaceNeeded; int32_t sz; u_uastrncpy(textToSplit, "first : second: third", sizeof(textToSplit)/2); u_uastrncpy(text2, "No match here.", sizeof(text2)/2); status = U_ZERO_ERROR; re = uregex_openC(":", 0, NULL, &status); /* Simple split */ uregex_setText(re, textToSplit, -1, &status); TEST_ASSERT_SUCCESS(status); memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 10, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 3); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING(" second", fields[1], TRUE); TEST_ASSERT_STRING(" third", fields[2], TRUE); TEST_ASSERT(fields[3] == NULL); spaceNeeded = u_strlen(textToSplit) - (numFields - 1) + /* Field delimiters do not appear in output */ numFields; /* Each field gets a NUL terminator */ TEST_ASSERT(spaceNeeded == requiredCapacity); uregex_close(re); /* Split with too few output strings available */ status = U_ZERO_ERROR; re = uregex_openC(":", 0, NULL, &status); uregex_setText(re, textToSplit, -1, &status); TEST_ASSERT_SUCCESS(status); memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 2); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING(" second: third", fields[1], TRUE); TEST_ASSERT(!memcmp(&fields[2],&minus1,sizeof(UChar*))); spaceNeeded = u_strlen(textToSplit) - (numFields - 1) + /* Field delimiters do not appear in output */ numFields; /* Each field gets a NUL terminator */ TEST_ASSERT(spaceNeeded == requiredCapacity); /* Split with a range of output buffer sizes. */ spaceNeeded = u_strlen(textToSplit) - (numFields - 1) + /* Field delimiters do not appear in output */ numFields; /* Each field gets a NUL terminator */ for (sz=0; sz < spaceNeeded+1; sz++) { memset(fields, -1, sizeof(fields)); status = U_ZERO_ERROR; numFields = uregex_split(re, buf, sz, &requiredCapacity, fields, 10, &status); if (sz >= spaceNeeded) { TEST_ASSERT_SUCCESS(status); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING(" second", fields[1], TRUE); TEST_ASSERT_STRING(" third", fields[2], TRUE); } else { TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); } TEST_ASSERT(numFields == 3); TEST_ASSERT(fields[3] == NULL); TEST_ASSERT(spaceNeeded == requiredCapacity); } uregex_close(re); } /* Split(), part 2. Patterns with capture groups. The capture group text * comes out as additional fields. */ { UChar textToSplit[80]; UChar buf[200]; UChar *fields[10]; int32_t numFields; int32_t requiredCapacity; int32_t spaceNeeded; int32_t sz; u_uastrncpy(textToSplit, "first second third", sizeof(textToSplit)/2); status = U_ZERO_ERROR; re = uregex_openC("<(.*?)>", 0, NULL, &status); uregex_setText(re, textToSplit, -1, &status); TEST_ASSERT_SUCCESS(status); memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 10, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 5); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING("tag-a", fields[1], TRUE); TEST_ASSERT_STRING(" second", fields[2], TRUE); TEST_ASSERT_STRING("tag-b", fields[3], TRUE); TEST_ASSERT_STRING(" third", fields[4], TRUE); TEST_ASSERT(fields[5] == NULL); spaceNeeded = strlen("first .tag-a. second.tag-b. third."); /* "." at NUL positions */ TEST_ASSERT(spaceNeeded == requiredCapacity); /* Split with too few output strings available (2) */ status = U_ZERO_ERROR; memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 2, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 2); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING(" second third", fields[1], TRUE); TEST_ASSERT(!memcmp(&fields[2],&minus1,sizeof(UChar*))); spaceNeeded = strlen("first . second third."); /* "." at NUL positions */ TEST_ASSERT(spaceNeeded == requiredCapacity); /* Split with too few output strings available (3) */ status = U_ZERO_ERROR; memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 3, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 3); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING("tag-a", fields[1], TRUE); TEST_ASSERT_STRING(" second third", fields[2], TRUE); TEST_ASSERT(!memcmp(&fields[3],&minus1,sizeof(UChar*))); spaceNeeded = strlen("first .tag-a. second third."); /* "." at NUL positions */ TEST_ASSERT(spaceNeeded == requiredCapacity); /* Split with just enough output strings available (5) */ status = U_ZERO_ERROR; memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 5, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 5); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING("tag-a", fields[1], TRUE); TEST_ASSERT_STRING(" second", fields[2], TRUE); TEST_ASSERT_STRING("tag-b", fields[3], TRUE); TEST_ASSERT_STRING(" third", fields[4], TRUE); TEST_ASSERT(!memcmp(&fields[5],&minus1,sizeof(UChar*))); spaceNeeded = strlen("first .tag-a. second.tag-b. third."); /* "." at NUL positions */ TEST_ASSERT(spaceNeeded == requiredCapacity); /* Split, end of text is a field delimiter. */ status = U_ZERO_ERROR; sz = strlen("first second"); uregex_setText(re, textToSplit, sz, &status); TEST_ASSERT_SUCCESS(status); memset(fields, -1, sizeof(fields)); numFields = uregex_split(re, buf, sizeof(buf)/2, &requiredCapacity, fields, 9, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(numFields == 4); TEST_ASSERT_STRING("first ", fields[0], TRUE); TEST_ASSERT_STRING("tag-a", fields[1], TRUE); TEST_ASSERT_STRING(" second", fields[2], TRUE); TEST_ASSERT_STRING("tag-b", fields[3], TRUE); TEST_ASSERT(fields[4] == NULL); TEST_ASSERT(fields[8] == NULL); TEST_ASSERT(!memcmp(&fields[9],&minus1,sizeof(UChar*))); spaceNeeded = strlen("first .tag-a. second.tag-b."); /* "." at NUL positions */ TEST_ASSERT(spaceNeeded == requiredCapacity); uregex_close(re); } } #endif /* !UCONFIG_NO_REGULAR_EXPRESSIONS */