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libvirt/tests/virstringtest.c

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/*
* Copyright (C) 2012-2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "testutils.h"
#include "virlog.h"
#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_NONE
VIR_LOG_INIT("tests.stringtest");
struct testStreqData {
const char *a;
const char *b;
};
static int testStreq(const void *args)
{
const struct testStreqData *data = args;
bool equal = true;
bool streq_rv, strneq_rv;
size_t i;
if ((size_t) data->a ^ (size_t) data->b)
equal = false;
if (data->a && data->b) {
for (i = 0; data->a[i] != '\0'; i++) {
if (data->b[i] == '\0' ||
data->a[i] != data->b[i]) {
equal = false;
break;
}
}
}
streq_rv = STREQ_NULLABLE(data->a, data->b);
strneq_rv = STRNEQ_NULLABLE(data->a, data->b);
if (streq_rv != equal) {
fprintf(stderr,
"STREQ not working correctly. Expected %d got %d",
(int) equal, (int) streq_rv);
return -1;
}
if (strneq_rv == equal) {
fprintf(stderr,
"STRNEQ not working correctly. Expected %d got %d",
(int) equal, (int) strneq_rv);
return -1;
}
return 0;
}
static int
testStringSortCompare(const void *opaque G_GNUC_UNUSED)
{
const char *randlist[] = {
"tasty", "astro", "goat", "chicken", "turducken",
};
const char *randrlist[] = {
"tasty", "astro", "goat", "chicken", "turducken",
};
const char *sortlist[] = {
"astro", "chicken", "goat", "tasty", "turducken",
};
const char *sortrlist[] = {
"turducken", "tasty", "goat", "chicken", "astro",
};
size_t i;
qsort(randlist, G_N_ELEMENTS(randlist), sizeof(randlist[0]),
virStringSortCompare);
qsort(randrlist, G_N_ELEMENTS(randrlist), sizeof(randrlist[0]),
virStringSortRevCompare);
for (i = 0; i < G_N_ELEMENTS(randlist); i++) {
if (STRNEQ(randlist[i], sortlist[i])) {
fprintf(stderr, "sortlist[%zu] '%s' != randlist[%zu] '%s'\n",
i, sortlist[i], i, randlist[i]);
return -1;
}
if (STRNEQ(randrlist[i], sortrlist[i])) {
fprintf(stderr, "sortrlist[%zu] '%s' != randrlist[%zu] '%s'\n",
i, sortrlist[i], i, randrlist[i]);
return -1;
}
}
return 0;
}
struct stringSearchData {
const char *str;
const char *regexp;
size_t maxMatches;
size_t expectNMatches;
const char **expectMatches;
bool expectError;
};
static int
testStringSearch(const void *opaque)
{
const struct stringSearchData *data = opaque;
g_auto(GStrv) matches = NULL;
ssize_t nmatches;
nmatches = virStringSearch(data->str, data->regexp,
data->maxMatches, &matches);
if (data->expectError) {
if (nmatches != -1) {
fprintf(stderr, "expected error on %s but got %zd matches\n",
data->str, nmatches);
return -1;
}
} else {
size_t i;
if (nmatches < 0) {
fprintf(stderr, "expected %zu matches on %s but got error\n",
data->expectNMatches, data->str);
return -1;
}
if (nmatches != data->expectNMatches) {
fprintf(stderr, "expected %zu matches on %s but got %zd\n",
data->expectNMatches, data->str, nmatches);
return -1;
}
if (g_strv_length(matches) != nmatches) {
fprintf(stderr, "expected %zu matches on %s but got %u matches\n",
data->expectNMatches, data->str,
g_strv_length(matches));
return -1;
}
for (i = 0; i < nmatches; i++) {
if (STRNEQ(matches[i], data->expectMatches[i])) {
fprintf(stderr, "match %zu expected '%s' but got '%s'\n",
i, data->expectMatches[i], matches[i]);
return -1;
}
}
}
return 0;
}
struct stringMatchData {
const char *str;
const char *regexp;
bool expectMatch;
};
static int
testStringMatch(const void *opaque)
{
const struct stringMatchData *data = opaque;
bool match;
match = virStringMatch(data->str, data->regexp);
if (data->expectMatch) {
if (!match) {
fprintf(stderr, "expected match for '%s' on '%s' but got no match\n",
data->regexp, data->str);
return -1;
}
} else {
if (match) {
fprintf(stderr, "expected no match for '%s' on '%s' but got match\n",
data->regexp, data->str);
return -1;
}
}
return 0;
}
struct stringReplaceData {
const char *haystack;
const char *oldneedle;
const char *newneedle;
const char *result;
};
static int
testStringReplace(const void *opaque G_GNUC_UNUSED)
{
const struct stringReplaceData *data = opaque;
g_autofree char *result = NULL;
result = virStringReplace(data->haystack,
data->oldneedle,
data->newneedle);
if (STRNEQ_NULLABLE(data->result, result)) {
fprintf(stderr, "Expected '%s' but got '%s'\n",
data->result, NULLSTR(result));
return -1;
}
return 0;
}
struct stringToLongData {
const char *str;
const char *suffix;
int si; /* syntax-check doesn't like bare 'i' */
int si_ret;
unsigned int ui;
int ui_ret;
/* No expected results for long: on 32-bit platforms, it is the
* same as int, on 64-bit platforms it is the same as long long */
long long ll;
int ll_ret;
unsigned long long ull;
int ull_ret;
};
/* This test makes assumptions about our compilation platform that are
* not guaranteed by POSIX. Good luck to you if you are crazy enough
* to try and port libvirt to a platform with 16-bit int. */
G_STATIC_ASSERT(sizeof(int) == 4);
G_STATIC_ASSERT(sizeof(long) == sizeof(int) || sizeof(long) == sizeof(long long));
G_STATIC_ASSERT(sizeof(long long) == 8);
static int
testStringToLong(const void *opaque)
{
const struct stringToLongData *data = opaque;
int ret = 0;
char *end;
long l;
unsigned long ul;
bool negative;
if (data->suffix)
negative = !!memchr(data->str, '-',
strlen(data->str) - strlen(data->suffix));
else
negative = !!strchr(data->str, '-');
#define TEST_ONE(Str, Suff, Type, Fn, Fmt, Exp, Exp_ret) \
do { \
Type value = 5; \
int result; \
end = (char *) "oops"; \
result = virStrToLong_ ## Fn(Str, Suff ? &end : NULL, \
0, &value); \
/* On failure, end is modified, value is unchanged */ \
if (result != (Exp_ret)) { \
fprintf(stderr, \
"type " #Fn " returned %d expected %d\n", \
result, Exp_ret); \
ret = -1; \
} \
if (value != ((Exp_ret) ? 5 : Exp)) { \
fprintf(stderr, \
"type " #Fn " value " Fmt " expected " Fmt "\n", \
value, ((Exp_ret) ? 5 : Exp)); \
ret = -1; \
} \
if (Suff && STRNEQ_NULLABLE(Suff, end)) { \
fprintf(stderr, \
"type " #Fn " end '%s' expected '%s'\n", \
NULLSTR(end), Suff); \
ret = -1; \
} \
} while (0)
TEST_ONE(data->str, data->suffix, int, i, "%d",
data->si, data->si_ret);
TEST_ONE(data->str, data->suffix, unsigned int, ui, "%u",
data->ui, data->ui_ret);
if (negative)
TEST_ONE(data->str, data->suffix, unsigned int, uip, "%u", 0U, -1);
else
TEST_ONE(data->str, data->suffix, unsigned int, uip, "%u",
data->ui, data->ui_ret);
/* We hate adding new API with 'long', and prefer 'int' or 'long
* long' instead, since platform-specific results are evil */
l = (sizeof(int) == sizeof(long)) ? data->si : data->ll;
TEST_ONE(data->str, data->suffix, long, l, "%ld",
l, (sizeof(int) == sizeof(long)) ? data->si_ret : data->ll_ret);
ul = (sizeof(int) == sizeof(long)) ? data->ui : data->ull;
TEST_ONE(data->str, data->suffix, unsigned long, ul, "%lu",
ul, (sizeof(int) == sizeof(long)) ? data->ui_ret : data->ull_ret);
if (negative)
TEST_ONE(data->str, data->suffix, unsigned long, ulp, "%lu", 0UL, -1);
else
TEST_ONE(data->str, data->suffix, unsigned long, ulp, "%lu", ul,
(sizeof(int) == sizeof(long)) ? data->ui_ret : data->ull_ret);
TEST_ONE(data->str, data->suffix, long long, ll, "%lld",
data->ll, data->ll_ret);
TEST_ONE(data->str, data->suffix, unsigned long long, ull, "%llu",
data->ull, data->ull_ret);
if (negative)
TEST_ONE(data->str, data->suffix, unsigned long long, ullp, "%llu",
0ULL, -1);
else
TEST_ONE(data->str, data->suffix, unsigned long long, ullp, "%llu",
data->ull, data->ull_ret);
#undef TEST_ONE
return ret;
}
struct stringToDoubleData {
const char *str;
const char *end_ptr;
double res;
};
/* This test checks if double strings are successfully converted to double
* number considering the byproduct string too. */
static int
testStringToDouble(const void *opaque)
{
const struct stringToDoubleData *data = opaque;
int ret = -1;
char *end_ptr = NULL;
double res = 0;
/* end_ptr returns or a substring or an empty string.
* It never returns a NULL pointer. */
if ((ret = virStrToDouble(data->str,
data->end_ptr ? &end_ptr : NULL,
&res)) < 0) {
fprintf(stderr, "Convert error of '%s', expected '%lf'\n",
data->str, data->res);
return ret;
}
if (res != data->res) {
fprintf(stderr, "Returned '%lf', expected '%lf'\n",
res, data->res);
return -1;
}
/* Comparing substrings. */
if (STRNEQ_NULLABLE(end_ptr, data->end_ptr)) {
fprintf(stderr, "Expected substring '%s', but got '%s'\n",
end_ptr, data->end_ptr);
return -1;
}
return ret;
}
struct testStripData {
const char *string;
const char *result;
};
static int testStripIPv6Brackets(const void *args)
{
const struct testStripData *data = args;
g_autofree char *res = NULL;
res = g_strdup(data->string);
virStringStripIPv6Brackets(res);
if (STRNEQ_NULLABLE(res, data->result)) {
fprintf(stderr, "Returned '%s', expected '%s'\n",
NULLSTR(res), NULLSTR(data->result));
return -1;
}
return 0;
}
static int testStripControlChars(const void *args)
{
const struct testStripData *data = args;
g_autofree char *res = NULL;
res = g_strdup(data->string);
virStringStripControlChars(res);
if (STRNEQ_NULLABLE(res, data->result)) {
fprintf(stderr, "Returned '%s', expected '%s'\n",
NULLSTR(res), NULLSTR(data->result));
return -1;
}
return 0;
}
struct testFilterData {
const char *string;
const char *valid;
const char *result;
};
static int testFilterChars(const void *args)
{
const struct testFilterData *data = args;
g_autofree char *res = NULL;
res = g_strdup(data->string);
virStringFilterChars(res, data->valid);
if (STRNEQ_NULLABLE(res, data->result)) {
fprintf(stderr, "Returned '%s', expected '%s'\n",
NULLSTR(res), NULLSTR(data->result));
return -1;
}
return 0;
}
static int
mymain(void)
{
int ret = 0;
#define TEST_STREQ(aa, bb) \
do { \
struct testStreqData streqData = {.a = aa, .b = bb}; \
if (virTestRun("Streq", testStreq, &streqData) < 0) \
ret = -1; \
} while (0)
TEST_STREQ("hello", "world");
TEST_STREQ(NULL, NULL);
TEST_STREQ(NULL, "");
TEST_STREQ("", NULL);
TEST_STREQ("", "");
TEST_STREQ("hello", "hello");
if (virTestRun("virStringSortCompare", testStringSortCompare, NULL) < 0)
ret = -1;
#define TEST_SEARCH(s, r, x, n, m, e) \
do { \
struct stringSearchData data = { \
.str = s, \
.maxMatches = x, \
.regexp = r, \
.expectNMatches = n, \
.expectMatches = m, \
.expectError = e, \
}; \
if (virTestRun("virStringSearch " s, testStringSearch, &data) < 0) \
ret = -1; \
} while (0)
/* error due to missing () in regexp */
TEST_SEARCH("foo", "bar", 10, 0, NULL, true);
/* error due to too many () in regexp */
TEST_SEARCH("foo", "(b)(a)(r)", 10, 0, NULL, true);
/* None matching */
TEST_SEARCH("foo", "(bar)", 10, 0, NULL, false);
VIR_WARNINGS_NO_DECLARATION_AFTER_STATEMENT
/* Full match */
const char *matches1[] = { "foo" };
TEST_SEARCH("foo", "(foo)", 10, 1, matches1, false);
/* Multi matches */
const char *matches2[] = { "foo", "bar", "eek" };
TEST_SEARCH("1foo2bar3eek", "([a-z]+)", 10, 3, matches2, false);
/* Multi matches, limited returns */
const char *matches3[] = { "foo", "bar" };
TEST_SEARCH("1foo2bar3eek", "([a-z]+)", 2, 2, matches3, false);
VIR_WARNINGS_RESET
#define TEST_MATCH(s, r, m) \
do { \
struct stringMatchData data = { \
.str = s, \
.regexp = r, \
.expectMatch = m, \
}; \
if (virTestRun("virStringMatch " s, testStringMatch, &data) < 0) \
ret = -1; \
} while (0)
TEST_MATCH("foo", "foo", true);
TEST_MATCH("foobar", "f[o]+", true);
TEST_MATCH("foobar", "^f[o]+$", false);
#define TEST_REPLACE(h, o, n, r) \
do { \
struct stringReplaceData data = { \
.haystack = h, \
.oldneedle = o, \
.newneedle = n, \
.result = r \
}; \
if (virTestRun("virStringReplace " h, testStringReplace, &data) < 0) \
ret = -1; \
} while (0)
/* no matches */
TEST_REPLACE("foo", "bar", "eek", "foo");
/* complete match */
TEST_REPLACE("foo", "foo", "bar", "bar");
/* middle match */
TEST_REPLACE("foobarwizz", "bar", "eek", "fooeekwizz");
/* many matches */
TEST_REPLACE("foofoofoofoo", "foo", "bar", "barbarbarbar");
/* many matches */
TEST_REPLACE("fooooofoooo", "foo", "bar", "barooobaroo");
/* different length old/new needles */
TEST_REPLACE("fooooofoooo", "foo", "barwizzeek", "barwizzeekooobarwizzeekoo");
TEST_REPLACE("fooooofoooo", "foooo", "foo", "fooofoo");
#define TEST_STRTOL(str, suff, i, i_ret, u, u_ret, \
ll, ll_ret, ull, ull_ret) \
do { \
struct stringToLongData data = { \
str, suff, i, i_ret, u, u_ret, ll, ll_ret, ull, ull_ret, \
}; \
if (virTestRun("virStringToLong '" str "'", testStringToLong, \
&data) < 0) \
ret = -1; \
} while (0)
/* Start simple */
TEST_STRTOL("0", NULL, 0, 0, 0U, 0, 0LL, 0, 0ULL, 0);
/* All your base are belong to us */
TEST_STRTOL("0x0", NULL, 0, 0, 0U, 0, 0LL, 0, 0ULL, 0);
TEST_STRTOL("0XaB", NULL, 171, 0, 171U, 0, 171LL, 0, 171ULL, 0);
TEST_STRTOL("010", NULL, 8, 0, 8U, 0, 8LL, 0, 8ULL, 0);
/* Suffix handling */
TEST_STRTOL("42", NULL, 42, 0, 42U, 0, 42LL, 0, 42ULL, 0);
TEST_STRTOL("42", "", 42, 0, 42U, 0, 42LL, 0, 42ULL, 0);
TEST_STRTOL("42.", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL("42.", ".", 42, 0, 42U, 0, 42LL, 0, 42ULL, 0);
/* Blatant invalid input */
TEST_STRTOL("", "", 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL("", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL(" ", " ", 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL(" ", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL(" -", " -", 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL(" -", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL("a", "a", 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL("a", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
/* Not a hex number, but valid when suffix expected */
TEST_STRTOL(" 0x", NULL, 0, -1, 0U, -1, 0LL, -1, 0ULL, -1);
TEST_STRTOL(" 0x", "x", 0, 0, 0U, 0, 0LL, 0, 0ULL, 0);
/* Upper bounds */
TEST_STRTOL("2147483647", NULL, 2147483647, 0, 2147483647U, 0,
2147483647LL, 0, 2147483647ULL, 0);
TEST_STRTOL("2147483648", NULL, 0, -1, 2147483648U, 0,
2147483648LL, 0, 2147483648ULL, 0);
TEST_STRTOL("4294967295", NULL, 0, -1, 4294967295U, 0,
4294967295LL, 0, 4294967295ULL, 0);
TEST_STRTOL("4294967296", NULL, 0, -1, 0U, -1,
4294967296LL, 0, 4294967296ULL, 0);
TEST_STRTOL("9223372036854775807", NULL, 0, -1, 0U, -1,
9223372036854775807LL, 0, 9223372036854775807ULL, 0);
TEST_STRTOL("9223372036854775808", NULL, 0, -1, 0U, -1,
0LL, -1, 9223372036854775808ULL, 0);
TEST_STRTOL("18446744073709551615", NULL, 0, -1, 0U, -1,
0LL, -1, 18446744073709551615ULL, 0);
TEST_STRTOL("18446744073709551616", NULL, 0, -1, 0U, -1,
0LL, -1, 0ULL, -1);
TEST_STRTOL("18446744073709551616", "", 0, -1, 0U, -1,
0LL, -1, 0ULL, -1);
/* Negative bounds */
TEST_STRTOL("-0", NULL, 0, 0, 0U, 0, 0LL, 0, 0ULL, 0);
TEST_STRTOL("-1", "", -1, 0, 4294967295U, 0,
-1LL, 0, 18446744073709551615ULL, 0);
TEST_STRTOL("-2147483647", NULL, -2147483647, 0, 2147483649U, 0,
-2147483647LL, 0, 18446744071562067969ULL, 0);
TEST_STRTOL("-2147483648", NULL, INT32_MIN, 0, 2147483648U, 0,
-2147483648LL, 0, 18446744071562067968ULL, 0);
TEST_STRTOL("-2147483649", NULL, 0, -1, 2147483647U, 0,
-2147483649LL, 0, 18446744071562067967ULL, 0);
TEST_STRTOL("-4294967295", NULL, 0, -1, 1U, 0,
-4294967295LL, 0, 18446744069414584321ULL, 0);
TEST_STRTOL("-4294967296", NULL, 0, -1, 0U, -1,
-4294967296LL, 0, 18446744069414584320ULL, 0);
TEST_STRTOL("-9223372036854775807", NULL, 0, -1, 0U, -1,
-9223372036854775807LL, 0, 9223372036854775809ULL, 0);
TEST_STRTOL("-9223372036854775808", NULL, 0, -1, 0U, -1,
INT64_MIN, 0, 9223372036854775808ULL, 0);
TEST_STRTOL("-9223372036854775809", NULL, 0, -1, 0U, -1,
0LL, -1, 9223372036854775807ULL, 0);
TEST_STRTOL("-18446744073709551615", NULL, 0, -1, 0U, -1,
0LL, -1, 1ULL, 0);
TEST_STRTOL("-18446744073709551616", NULL, 0, -1, 0U, -1,
0LL, -1, 0ULL, -1);
#define TEST_STRTOD(str, end_ptr, res) \
do { \
struct stringToDoubleData data = { \
str, end_ptr, res, \
}; \
if (virTestRun("virStringToDouble '" str "'", \
testStringToDouble, &data) < 0) \
ret = -1; \
} while (0)
/* Simple numbers. */
TEST_STRTOD("0.0", NULL, 0);
TEST_STRTOD("1.0", NULL, 1);
TEST_STRTOD("3.14159", NULL, 3.14159);
TEST_STRTOD("0.57721", NULL, 0.57721);
/* Testing ending string. */
TEST_STRTOD("2.718", "", 2.718);
TEST_STRTOD("2.718 281 828 459", " 281 828 459", 2.718);
TEST_STRTOD("2.718,281,828,459", ",281,828,459", 2.718);
/* Scientific numbers. */
TEST_STRTOD("3.14159e+000", NULL, 3.14159);
TEST_STRTOD("2.00600e+003", NULL, 2006);
TEST_STRTOD("1.00000e-010", NULL, 1e-010);
/* Negative numbers. */
TEST_STRTOD("-1.6180339887", NULL, -1.6180339887);
TEST_STRTOD("-0.00031e-010", NULL, -0.00031e-010);
/* Long numbers. */
TEST_STRTOD("57089907708238388904078437636832797971793838081897.0",
NULL,
57089907708238388904078437636832797971793838081897.0);
TEST_STRTOD("3.141592653589793238462643383279502884197169399375105",
NULL,
3.141592653589793238462643383279502884197169399375105);
#define TEST_STRIP_IPV6_BRACKETS(str, res) \
do { \
struct testStripData stripData = { \
.string = str, \
.result = res, \
}; \
if (virTestRun("Strip brackets from IPv6 " #str, \
testStripIPv6Brackets, &stripData) < 0) \
ret = -1; \
} while (0)
TEST_STRIP_IPV6_BRACKETS(NULL, NULL);
TEST_STRIP_IPV6_BRACKETS("[]", "[]");
TEST_STRIP_IPV6_BRACKETS("[:]", ":");
TEST_STRIP_IPV6_BRACKETS("[::1]", "::1");
TEST_STRIP_IPV6_BRACKETS("[hello:", "[hello:");
TEST_STRIP_IPV6_BRACKETS(":hello]", ":hello]");
TEST_STRIP_IPV6_BRACKETS(":[]:", ":[]:");
#define TEST_STRIP_CONTROL_CHARS(str, res) \
do { \
struct testStripData stripData = { \
.string = str, \
.result = res, \
}; \
if (virTestRun("Strip control chars from " #str, \
testStripControlChars, &stripData) < 0) \
ret = -1; \
} while (0)
TEST_STRIP_CONTROL_CHARS(NULL, NULL);
TEST_STRIP_CONTROL_CHARS("\nhello \r hello\t", "\nhello \r hello\t");
TEST_STRIP_CONTROL_CHARS("\x01H\x02" "E\x03L\x04L\x05O", "HELLO");
TEST_STRIP_CONTROL_CHARS("\x01\x02\x03\x04HELL\x05O", "HELLO");
TEST_STRIP_CONTROL_CHARS("\nhello \x01\x07hello\t", "\nhello hello\t");
#define TEST_FILTER_CHARS(str, filter, res) \
do { \
struct testFilterData filterData = { \
.string = str, \
.valid = filter, \
.result = res, \
}; \
if (virTestRun("Filter chars from " #str, \
testFilterChars, &filterData) < 0) \
ret = -1; \
} while (0)
TEST_FILTER_CHARS(NULL, NULL, NULL);
TEST_FILTER_CHARS("hello 123 hello", "helo", "hellohello");
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)
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