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/* psx-interf.c: test POSIX interface. */
#include <string.h>
#include <assert.h>
#include "test.h"
#define ERROR_CODE_LENGTH 20
#define TEST_ERRBUF_SIZE 15
void test_compile ();
/* ANSWER should be at least ERROR_CODE_LENGTH long. */
static char *
get_error_string (error_code, answer)
int error_code;
char answer[];
{
switch (error_code)
{
case 0: strcpy (answer, "No error"); break;
case REG_NOMATCH: strcpy (answer, "REG_NOMATCH"); break;
case REG_BADPAT: strcpy (answer, "REG_BADPAT"); break;
case REG_EPAREN: strcpy (answer, "REG_EPAREN"); break;
case REG_ESPACE: strcpy (answer, "REG_ESPACE"); break;
case REG_ECOLLATE: strcpy (answer, "REG_ECOLLATE"); break;
case REG_ECTYPE: strcpy (answer, "REG_ECTYPE"); break;
case REG_EESCAPE: strcpy (answer, "REG_EESCAPE"); break;
case REG_ESUBREG: strcpy (answer, "REG_ESUBREG"); break;
case REG_EBRACK: strcpy (answer, "REG_EBRACK"); break;
case REG_EBRACE: strcpy (answer, "REG_EBRACE"); break;
case REG_BADBR: strcpy (answer, "REG_BADBR"); break;
case REG_ERANGE: strcpy (answer, "REG_ERANGE"); break;
case REG_BADRPT: strcpy (answer, "REG_BADRPT"); break;
case REG_EEND: strcpy (answer, "REG_EEND"); break;
default: strcpy (answer, "Bad error code");
}
return answer;
}
/* I don't think we actually need to initialize all these things.
--karl */
void
init_pattern_buffer (pattern_buffer_ptr)
regex_t *pattern_buffer_ptr;
{
pattern_buffer_ptr->buffer = NULL;
pattern_buffer_ptr->allocated = 0;
pattern_buffer_ptr->used = 0;
pattern_buffer_ptr->fastmap = NULL;
pattern_buffer_ptr->fastmap_accurate = 0;
pattern_buffer_ptr->translate = NULL;
pattern_buffer_ptr->can_be_null = 0;
pattern_buffer_ptr->re_nsub = 0;
pattern_buffer_ptr->no_sub = 0;
pattern_buffer_ptr->not_bol = 0;
pattern_buffer_ptr->not_eol = 0;
}
void
test_compile (valid_pattern, error_code_expected, pattern,
pattern_buffer_ptr, cflags)
unsigned valid_pattern;
int error_code_expected;
const char *pattern;
regex_t *pattern_buffer_ptr;
int cflags;
{
int error_code_returned;
boolean error = false;
char errbuf[TEST_ERRBUF_SIZE];
init_pattern_buffer (pattern_buffer_ptr);
error_code_returned = regcomp (pattern_buffer_ptr, pattern, cflags);
if (valid_pattern && error_code_returned)
{
printf ("\nShould have been a valid pattern but wasn't.\n");
regerror (error_code_returned, pattern_buffer_ptr, errbuf,
TEST_ERRBUF_SIZE);
printf ("%s", errbuf);
error = true;
}
if (!valid_pattern && !error_code_returned)
{
printf ("\n\nInvalid pattern compiled as valid:\n");
error = true;
}
if (error_code_returned != error_code_expected)
{
char expected_error_string[ERROR_CODE_LENGTH];
char returned_error_string[ERROR_CODE_LENGTH];
get_error_string (error_code_expected, expected_error_string),
get_error_string (error_code_returned, returned_error_string);
printf (" Expected error code %s but got `%s'.\n",
expected_error_string, returned_error_string);
error = true;
}
if (error)
print_pattern_info (pattern, pattern_buffer_ptr);
}
static void
test_nsub (sub_count, pattern, cflags)
unsigned sub_count;
char *pattern;
int cflags;
{
regex_t pattern_buffer;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
if (pattern_buffer.re_nsub != sub_count)
{
printf ("\nShould have counted %d subexpressions but counted %d \
instead.\n", sub_count, pattern_buffer.re_nsub);
}
regfree (&pattern_buffer);
}
static void
test_regcomp ()
{
regex_t pattern_buffer;
int cflags = 0;
printf ("\nStarting regcomp tests.\n");
cflags = 0;
test_compile (0, REG_ESUBREG, "\\(a\\)\\2", &pattern_buffer, cflags);
test_compile (0, REG_EBRACE, "a\\{", &pattern_buffer, cflags);
test_compile (0, REG_BADBR, "a\\{-1\\}", &pattern_buffer, cflags);
test_compile (0, REG_EBRACE, "a\\{", &pattern_buffer, cflags);
test_compile (0, REG_EBRACE, "a\\{1", &pattern_buffer, cflags);
cflags = REG_EXTENDED;
test_compile (0, REG_ECTYPE, "[[:alpo:]]", &pattern_buffer, cflags);
test_compile (0, REG_EESCAPE, "\\", &pattern_buffer, cflags);
test_compile (0, REG_EBRACK, "[a", &pattern_buffer, cflags);
test_compile (0, REG_EPAREN, "(", &pattern_buffer, cflags);
test_compile (0, REG_ERANGE, "[z-a]", &pattern_buffer, cflags);
test_nsub (1, "(a)", cflags);
test_nsub (2, "((a))", cflags);
test_nsub (2, "(a)(b)", cflags);
cflags = REG_EXTENDED | REG_NOSUB;
test_nsub (1, "(a)", cflags);
regfree (&pattern_buffer);
printf ("\nFinished regcomp tests.\n");
}
static void
fill_pmatch (pmatch, start0, end0, start1, end1, start2, end2)
regmatch_t pmatch[];
regoff_t start0, end0, start1, end1, start2, end2;
{
pmatch[0].rm_so = start0;
pmatch[0].rm_eo = end0;
pmatch[1].rm_so = start1;
pmatch[1].rm_eo = end1;
pmatch[2].rm_so = start2;
pmatch[2].rm_eo = end2;
}
static void
test_pmatch (pattern, string, nmatch, pmatch, correct_pmatch, cflags)
char *pattern;
char *string;
unsigned nmatch;
regmatch_t pmatch[];
regmatch_t correct_pmatch[];
int cflags;
{
regex_t pattern_buffer;
unsigned this_match;
int error_code_returned;
boolean found_nonmatch = false;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
error_code_returned = regexec (&pattern_buffer, string, nmatch, pmatch, 0);
if (error_code_returned == REG_NOMATCH)
printf ("Matching failed in test_pmatch.\n");
else
{
for (this_match = 0; this_match < nmatch; this_match++)
{
if (pmatch[this_match].rm_so != correct_pmatch[this_match].rm_so)
{
if (found_nonmatch == false)
printf ("\n");
printf ("Pmatch start %d wrong: was %d when should have \
been %d.\n", this_match, pmatch[this_match].rm_so,
correct_pmatch[this_match].rm_so);
found_nonmatch = true;
}
if (pmatch[this_match].rm_eo != correct_pmatch[this_match].rm_eo)
{
if (found_nonmatch == false)
printf ("\n");
printf ("Pmatch end %d wrong: was %d when should have been \
%d.\n", this_match, pmatch[this_match].rm_eo,
correct_pmatch[this_match].rm_eo);
found_nonmatch = true;
}
}
if (found_nonmatch)
{
printf (" The number of pmatches requested was: %d.\n", nmatch);
printf (" The string to match was: `%s'.\n", string);
print_pattern_info (pattern, &pattern_buffer);
}
} /* error_code_returned == REG_NOMATCH */
regfree (&pattern_buffer);
}
static void
test_eflags (must_match_bol, must_match_eol, pattern, string, cflags, eflags)
boolean must_match_bol;
boolean must_match_eol;
char *pattern;
char *string;
int cflags;
int eflags;
{
regex_t pattern_buffer;
int error_code_returned;
boolean was_error = false;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
error_code_returned = regexec (&pattern_buffer, string, 0, 0, eflags);
if (error_code_returned == REG_NOMATCH)
{
/* If wasn't true that both 1) the anchored part of the pattern
had to match this string and 2) this string was a proper
substring... */
if (!( (must_match_bol && (eflags & REG_NOTBOL))
|| (must_match_eol && (eflags & REG_NOTEOL)) ))
{
printf ("\nEflags test failed: didn't match when should have.\n");
was_error = true;
}
}
else /* We got a match. */
{
/* If wasn't true that either 1) the anchored part of the pattern
didn't have to match this string or 2) this string wasn't a
proper substring... */
if ((must_match_bol == (eflags & REG_NOTBOL))
|| (must_match_eol == (eflags & REG_NOTEOL)))
{
printf ("\nEflags test failed: matched when shouldn't have.\n");
was_error = true;
}
}
if (was_error)
{
printf (" The string to match was: `%s'.\n", string);
print_pattern_info (pattern, &pattern_buffer);
if (eflags & REG_NOTBOL)
printf (" The eflag REG_BOL was set.\n");
if (eflags & REG_NOTEOL)
printf (" The eflag REG_EOL was set.\n");
}
regfree (&pattern_buffer);
}
static void
test_ignore_case (should_match, pattern, string, cflags)
boolean should_match;
char *pattern;
char *string;
int cflags;
{
regex_t pattern_buffer;
int error_code_returned;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
error_code_returned = regexec (&pattern_buffer, string, 0, 0, 0);
if (should_match && error_code_returned == REG_NOMATCH)
{
printf ("\nIgnore-case test failed:\n");
printf (" The string to match was: `%s'.\n", string);
print_pattern_info (pattern, &pattern_buffer);
if (cflags & REG_ICASE)
printf (" The cflag REG_ICASE was set.\n");
}
regfree (&pattern_buffer);
}
static void
test_newline (should_match, pattern, string, cflags)
boolean should_match;
char *pattern;
char *string;
int cflags;
{
regex_t pattern_buffer;
int error_code_returned;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
error_code_returned = regexec (&pattern_buffer, string, 0, 0, 0);
if (should_match && error_code_returned == REG_NOMATCH)
{
printf ("\nNewline test failed:\n");
printf (" The string to match was: `%s'.\n", string);
print_pattern_info (pattern, &pattern_buffer);
if (cflags & REG_NEWLINE)
printf (" The cflag REG_NEWLINE was set.\n");
else
printf (" The cflag REG_NEWLINE wasn't set.\n");
}
regfree (&pattern_buffer);
}
static void
test_posix_match (should_match, pattern, string, cflags)
boolean should_match;
char *pattern;
char *string;
int cflags;
{
regex_t pattern_buffer;
int error_code_returned;
boolean was_error = false;
test_compile (1, 0, pattern, &pattern_buffer, cflags);
error_code_returned = regexec (&pattern_buffer, string, 0, 0, 0);
if (should_match && error_code_returned == REG_NOMATCH)
{
printf ("\nShould have matched but didn't:\n");
was_error = true;
}
else if (!should_match && error_code_returned != REG_NOMATCH)
{
printf ("\nShould not have matched but did:\n");
was_error = true;
}
if (was_error)
{
printf (" The string to match was: `%s'.\n", string);
print_pattern_info (pattern, &pattern_buffer);
}
regfree (&pattern_buffer);
}
static void
test_regexec ()
{
regmatch_t pmatch[3];
regmatch_t correct_pmatch[3];
int cflags = 0;
int eflags = 0;
printf ("\nStarting regexec tests.\n");
cflags = REG_NOSUB; /* shouldn't look at any of pmatch. */
test_pmatch ("a", "a", 0, pmatch, correct_pmatch, cflags);
/* Ask for less `pmatch'es than there are pattern subexpressions.
(Shouldn't look at pmatch[2]. */
cflags = REG_EXTENDED;
fill_pmatch (correct_pmatch, 0, 1, 0, 1, 100, 101);
test_pmatch ("((a))", "a", 2, pmatch, correct_pmatch, cflags);
/* Ask for same number of `pmatch'es as there are pattern subexpressions. */
cflags = REG_EXTENDED;
fill_pmatch(correct_pmatch, 0, 1, 0, 1, -1, -1);
test_pmatch ("(a)", "a", 2, pmatch, correct_pmatch, cflags);
/* Ask for more `pmatch'es than there are pattern subexpressions. */
cflags = REG_EXTENDED;
fill_pmatch (correct_pmatch, 0, 1, -1, -1, -1, -1);
test_pmatch ("a", "a", 2, pmatch, correct_pmatch, cflags);
eflags = REG_NOTBOL;
test_eflags (true, false, "^a", "a", cflags, eflags);
test_eflags (true, false, "(^a)", "a", cflags, eflags);
test_eflags (true, false, "a|^b", "b", cflags, eflags);
test_eflags (true, false, "^b|a", "b", cflags, eflags);
eflags = REG_NOTEOL;
test_eflags (false, true, "a$", "a", cflags, eflags);
test_eflags (false, true, "(a$)", "a", cflags, eflags);
test_eflags (false, true, "a|b$", "b", cflags, eflags);
test_eflags (false, true, "b$|a", "b", cflags, eflags);
eflags = REG_NOTBOL | REG_NOTEOL;
test_eflags (true, true, "^a$", "a", cflags, eflags);
test_eflags (true, true, "(^a$)", "a", cflags, eflags);
test_eflags (true, true, "a|(^b$)", "b", cflags, eflags);
test_eflags (true, true, "(^b$)|a", "b", cflags, eflags);
cflags = REG_ICASE;
test_ignore_case (true, "a", "a", cflags);
test_ignore_case (true, "A", "A", cflags);
test_ignore_case (true, "A", "a", cflags);
test_ignore_case (true, "a", "A", cflags);
test_ignore_case (true, "@", "@", cflags);
test_ignore_case (true, "\\[", "[", cflags);
test_ignore_case (true, "`", "`", cflags);
test_ignore_case (true, "{", "{", cflags);
test_ignore_case (true, "[!-`]", "A", cflags);
test_ignore_case (true, "[!-`]", "a", cflags);
cflags = 0;
test_ignore_case (false, "a", "a", cflags);
test_ignore_case (false, "A", "A", cflags);
test_ignore_case (false, "A", "a", cflags);
test_ignore_case (false, "a", "A", cflags);
test_ignore_case (true, "@", "@", cflags);
test_ignore_case (true, "\\[", "[", cflags);
test_ignore_case (true, "`", "`", cflags);
test_ignore_case (true, "{", "{", cflags);
test_ignore_case (true, "[!-`]", "A", cflags);
test_ignore_case (false, "[!-`]", "a", cflags);
/* Test newline stuff. */
cflags = REG_EXTENDED | REG_NEWLINE;
test_newline (true, "\n", "\n", cflags);
test_newline (true, "a\n", "a\n", cflags);
test_newline (true, "\nb", "\nb", cflags);
test_newline (true, "a\nb", "a\nb", cflags);
test_newline (false, ".", "\n", cflags);
test_newline (false, "[^a]", "\n", cflags);
test_newline (true, "\n^a", "\na", cflags);
test_newline (true, "\n(^a|b)", "\na", cflags);
test_newline (true, "a$\n", "a\n", cflags);
test_newline (true, "(a$|b)\n", "a\n", cflags);
test_newline (true, "(a$|b|c)\n", "a\n", cflags);
test_newline (true, "((a$|b|c)$)\n", "a\n", cflags);
test_newline (true, "((a$|b|c)$)\n", "b\n", cflags);
test_newline (true, "(a$|b)\n|a\n", "a\n", cflags);
test_newline (true, "^a", "\na", cflags);
test_newline (true, "a$", "a\n", cflags);
/* Now test normal behavior. */
cflags = REG_EXTENDED;
test_newline (true, "\n", "\n", cflags);
test_newline (true, "a\n", "a\n", cflags);
test_newline (true, "\nb", "\nb", cflags);
test_newline (true, "a\nb", "a\nb", cflags);
test_newline (true, ".", "\n", cflags);
test_newline (true, "[^a]", "\n", cflags);
test_newline (false, "\n^a", "\na", cflags);
test_newline (false, "a$\n", "a\n", cflags);
test_newline (false, "^a", "\na", cflags);
test_newline (false, "a$", "a\n", cflags);
/* Test that matches whole string only. */
cflags = 0;
test_posix_match (true, "a", "a", cflags);
/* Tests that match substrings. */
test_posix_match (true, "a", "ab", cflags);
test_posix_match (true, "b", "ab", cflags);
/* Test that doesn't match. */
test_posix_match (false, "a", "b", cflags);
printf ("\nFinished regexec tests.\n");
}
static void
test_error_code_message (error_code, expected_error_message)
int error_code;
char *expected_error_message;
{
char returned_error_message[TEST_ERRBUF_SIZE];
char error_code_string[ERROR_CODE_LENGTH];
size_t expected_error_message_length = strlen (expected_error_message) + 1;
size_t returned_error_message_length = regerror (error_code, 0,
returned_error_message,
TEST_ERRBUF_SIZE);
if (returned_error_message_length != expected_error_message_length)
{
printf ("\n\n Testing returned error codes, with expected error \
message `%s':\n", expected_error_message);
printf ("\n\n and returned error message `%s':\n",
returned_error_message);
printf (" should have returned a length of %d but returned %d.\n",
expected_error_message_length, returned_error_message_length);
}
if (strncmp (expected_error_message, returned_error_message,
TEST_ERRBUF_SIZE - 1) != 0)
{
get_error_string (error_code, error_code_string),
printf ("\n\n With error code %s (%d), expected error message:\n",
error_code_string, error_code);
printf (" `%s'\n", expected_error_message);
printf (" but got:\n");
printf (" `%s'\n", returned_error_message);
}
}
static void
test_error_code_allocation (error_code, expected_error_message)
int error_code;
char *expected_error_message;
{
char *returned_error_message = NULL;
char error_code_string[ERROR_CODE_LENGTH];
size_t returned_error_message_length = regerror (error_code, 0,
returned_error_message,
(size_t)0);
returned_error_message = xmalloc (returned_error_message_length + 1);
regerror (error_code, 0, returned_error_message,
returned_error_message_length);
if (strcmp (expected_error_message, returned_error_message) != 0)
{
get_error_string (error_code, error_code_string),
printf ("\n\n Testing error code allocation,\n");
printf ("with error code %s (%d), expected error message:\n",
error_code_string, error_code);
printf (" `%s'\n", expected_error_message);
printf (" but got:\n");
printf (" `%s'\n", returned_error_message);
}
}
static void
test_regerror ()
{
test_error_code_message (REG_NOMATCH, "No match");
test_error_code_message (REG_BADPAT, "Invalid regular expression");
test_error_code_message (REG_ECOLLATE, "Invalid collation character");
test_error_code_message (REG_ECTYPE, "Invalid character class name");
test_error_code_message (REG_EESCAPE, "Trailing backslash");
test_error_code_message (REG_ESUBREG, "Invalid back reference");
test_error_code_message (REG_EBRACK, "Unmatched [ or [^");
test_error_code_message (REG_EPAREN, "Unmatched ( or \\(");
test_error_code_message (REG_EBRACE, "Unmatched \\{");
test_error_code_message (REG_BADBR, "Invalid content of \\{\\}");
test_error_code_message (REG_ERANGE, "Invalid range end");
test_error_code_message (REG_ESPACE, "Memory exhausted");
test_error_code_message (REG_BADRPT, "Invalid preceding regular expression");
test_error_code_message (REG_EEND, "Premature end of regular expression");
test_error_code_message (REG_ESIZE, "Regular expression too big");
test_error_code_allocation (REG_ERPAREN, "Unmatched ) or \\)");
}
void
test_posix_interface ()
{
printf ("\nStarting POSIX interface tests.\n");
t = posix_interface_test;
test_regcomp ();
test_regexec ();
test_regerror ();
printf ("\nFinished POSIX interface tests.\n");
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.