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authorLucas Eckels <eckels@google.com>2012-08-06 14:56:12 -0700
committerLucas Eckels <eckels@google.com>2012-08-08 09:28:22 -0700
commite8508b30dd3516c91841bcad24dd314f48f0686b (patch)
tree7e8b504af787dc56a45793b0e08de9913b6061ee /test/teststr.c
parent2483b3b8979346deb318d7e67b932ed77bc8e25e (diff)
downloadapache-apr-e8508b30dd3516c91841bcad24dd314f48f0686b.tar.gz
Change-Id: Ia5307b7bb6b27ab5646c27c6dce0cceaacb1978d
Diffstat (limited to 'test/teststr.c')
-rw-r--r--test/teststr.c391
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diff --git a/test/teststr.c b/test/teststr.c
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "testutil.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#if APR_HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#include "apr_general.h"
+#include "apr_strings.h"
+#include "apr_errno.h"
+
+/* I haven't bothered to check for APR_ENOTIMPL here, AFAIK, all string
+ * functions exist on all platforms.
+ */
+
+static void test_strtok(abts_case *tc, void *data)
+{
+ struct {
+ char *input;
+ char *sep;
+ }
+ cases[] = {
+ {
+ "",
+ "Z"
+ },
+ {
+ " asdf jkl; 77889909 \r\n\1\2\3Z",
+ " \r\n\3\2\1"
+ },
+ {
+ NULL, /* but who cares if apr_strtok() segfaults? */
+ " \t"
+ },
+#if 0 /* don't do this... you deserve to segfault */
+ {
+ "a b c ",
+ NULL
+ },
+#endif
+ {
+ " a b c ",
+ ""
+ },
+ {
+ "a b c ",
+ " "
+ }
+ };
+ int curtc;
+
+ for (curtc = 0; curtc < sizeof cases / sizeof cases[0]; curtc++) {
+ char *retval1, *retval2;
+ char *str1, *str2;
+ char *state;
+
+ str1 = apr_pstrdup(p, cases[curtc].input);
+ str2 = apr_pstrdup(p, cases[curtc].input);
+
+ do {
+ retval1 = apr_strtok(str1, cases[curtc].sep, &state);
+ retval2 = strtok(str2, cases[curtc].sep);
+
+ if (!retval1) {
+ ABTS_TRUE(tc, retval2 == NULL);
+ }
+ else {
+ ABTS_TRUE(tc, retval2 != NULL);
+ ABTS_STR_EQUAL(tc, retval2, retval1);
+ }
+
+ str1 = str2 = NULL; /* make sure we pass NULL on subsequent calls */
+ } while (retval1);
+ }
+}
+
+static void snprintf_noNULL(abts_case *tc, void *data)
+{
+ char buff[100];
+ char *testing = apr_palloc(p, 10);
+
+ testing[0] = 't';
+ testing[1] = 'e';
+ testing[2] = 's';
+ testing[3] = 't';
+ testing[4] = 'i';
+ testing[5] = 'n';
+ testing[6] = 'g';
+
+ /* If this test fails, we are going to seg fault. */
+ apr_snprintf(buff, sizeof(buff), "%.*s", 7, testing);
+ ABTS_STR_NEQUAL(tc, buff, testing, 7);
+}
+
+static void snprintf_0NULL(abts_case *tc, void *data)
+{
+ int rv;
+
+ rv = apr_snprintf(NULL, 0, "%sBAR", "FOO");
+ ABTS_INT_EQUAL(tc, 6, rv);
+}
+
+static void snprintf_0nonNULL(abts_case *tc, void *data)
+{
+ int rv;
+ char *buff = "testing";
+
+ rv = apr_snprintf(buff, 0, "%sBAR", "FOO");
+ ABTS_INT_EQUAL(tc, 6, rv);
+ ABTS_ASSERT(tc, "buff unmangled", strcmp(buff, "FOOBAR") != 0);
+}
+
+static void snprintf_underflow(abts_case *tc, void *data)
+{
+ char buf[20];
+ int rv;
+
+ rv = apr_snprintf(buf, sizeof buf, "%.2f", (double)0.0001);
+ ABTS_INT_EQUAL(tc, 4, rv);
+ ABTS_STR_EQUAL(tc, "0.00", buf);
+
+ rv = apr_snprintf(buf, sizeof buf, "%.2f", (double)0.001);
+ ABTS_INT_EQUAL(tc, 4, rv);
+ ABTS_STR_EQUAL(tc, "0.00", buf);
+
+ rv = apr_snprintf(buf, sizeof buf, "%.2f", (double)0.01);
+ ABTS_INT_EQUAL(tc, 4, rv);
+ ABTS_STR_EQUAL(tc, "0.01", buf);
+}
+
+static void string_error(abts_case *tc, void *data)
+{
+ char buf[128], *rv;
+ apr_status_t n;
+
+ buf[0] = '\0';
+ rv = apr_strerror(APR_ENOENT, buf, sizeof buf);
+ ABTS_PTR_EQUAL(tc, buf, rv);
+ ABTS_TRUE(tc, strlen(buf) > 0);
+
+ rv = apr_strerror(APR_TIMEUP, buf, sizeof buf);
+ ABTS_PTR_EQUAL(tc, buf, rv);
+ ABTS_STR_EQUAL(tc, "The timeout specified has expired", buf);
+
+ /* throw some randomish numbers at it to check for robustness */
+ for (n = 1; n < 1000000; n *= 2) {
+ apr_strerror(n, buf, sizeof buf);
+ }
+}
+
+#define SIZE 180000
+static void string_long(abts_case *tc, void *data)
+{
+ char s[SIZE + 1];
+
+ memset(s, 'A', SIZE);
+ s[SIZE] = '\0';
+
+ apr_psprintf(p, "%s", s);
+}
+
+/* ### FIXME: apr.h/apr_strings.h should provide these! */
+#define MY_LLONG_MAX (APR_INT64_C(9223372036854775807))
+#define MY_LLONG_MIN (-MY_LLONG_MAX - APR_INT64_C(1))
+
+static void string_strtoi64(abts_case *tc, void *data)
+{
+ static const struct {
+ int errnum, base;
+ const char *in, *end;
+ apr_int64_t result;
+ } ts[] = {
+
+ /* base 10 tests */
+ { 0, 10, "123545", NULL, APR_INT64_C(123545) },
+ { 0, 10, " 123545", NULL, APR_INT64_C(123545) },
+ { 0, 10, " +123545", NULL, APR_INT64_C(123545) },
+ { 0, 10, "-123545", NULL, APR_INT64_C(-123545) },
+ { 0, 10, " 00000123545", NULL, APR_INT64_C(123545) },
+ { 0, 10, "123545ZZZ", "ZZZ", APR_INT64_C(123545) },
+ { 0, 10, " 123545 ", " ", APR_INT64_C(123545) },
+
+ /* base 16 tests */
+ { 0, 16, "1E299", NULL, APR_INT64_C(123545) },
+ { 0, 16, "1e299", NULL, APR_INT64_C(123545) },
+ { 0, 16, "0x1e299", NULL, APR_INT64_C(123545) },
+ { 0, 16, "0X1E299", NULL, APR_INT64_C(123545) },
+ { 0, 16, "+1e299", NULL, APR_INT64_C(123545) },
+ { 0, 16, "-1e299", NULL, APR_INT64_C(-123545) },
+ { 0, 16, " -1e299", NULL, APR_INT64_C(-123545) },
+
+ /* automatic base detection tests */
+ { 0, 0, "123545", NULL, APR_INT64_C(123545) },
+ { 0, 0, "0x1e299", NULL, APR_INT64_C(123545) },
+ { 0, 0, " 0x1e299", NULL, APR_INT64_C(123545) },
+ { 0, 0, "+0x1e299", NULL, APR_INT64_C(123545) },
+ { 0, 0, "-0x1e299", NULL, APR_INT64_C(-123545) },
+
+ /* large number tests */
+ { 0, 10, "8589934605", NULL, APR_INT64_C(8589934605) },
+ { 0, 10, "-8589934605", NULL, APR_INT64_C(-8589934605) },
+ { 0, 16, "0x20000000D", NULL, APR_INT64_C(8589934605) },
+ { 0, 16, "-0x20000000D", NULL, APR_INT64_C(-8589934605) },
+ { 0, 16, " 0x20000000D", NULL, APR_INT64_C(8589934605) },
+ { 0, 16, " 0x20000000D", NULL, APR_INT64_C(8589934605) },
+
+ /* error cases */
+ { ERANGE, 10, "999999999999999999999999999999999", "", MY_LLONG_MAX },
+ { ERANGE, 10, "-999999999999999999999999999999999", "", MY_LLONG_MIN },
+
+#if 0
+ /* C99 doesn't require EINVAL for an invalid range. */
+ { EINVAL, 99, "", (void *)-1 /* don't care */, 0 },
+#endif
+
+ /* some strtoll implementations give EINVAL when no conversion
+ * is performed. */
+ { -1 /* don't care */, 10, "zzz", "zzz", APR_INT64_C(0) },
+ { -1 /* don't care */, 10, "", NULL, APR_INT64_C(0) }
+
+ };
+ int n;
+
+ for (n = 0; n < sizeof(ts)/sizeof(ts[0]); n++) {
+ char *end = "end ptr not changed";
+ apr_int64_t result;
+ int errnum;
+
+ errno = 0;
+ result = apr_strtoi64(ts[n].in, &end, ts[n].base);
+ errnum = errno;
+
+ ABTS_ASSERT(tc,
+ apr_psprintf(p, "for '%s': result was %" APR_INT64_T_FMT
+ " not %" APR_INT64_T_FMT, ts[n].in,
+ result, ts[n].result),
+ result == ts[n].result);
+
+ if (ts[n].errnum != -1) {
+ ABTS_ASSERT(tc,
+ apr_psprintf(p, "for '%s': errno was %d not %d", ts[n].in,
+ errnum, ts[n].errnum),
+ ts[n].errnum == errnum);
+ }
+
+ if (ts[n].end == NULL) {
+ /* end must point to NUL terminator of .in */
+ ABTS_PTR_EQUAL(tc, ts[n].in + strlen(ts[n].in), end);
+ } else if (ts[n].end != (void *)-1) {
+ ABTS_ASSERT(tc,
+ apr_psprintf(p, "for '%s', end was '%s' not '%s'",
+ ts[n].in, end, ts[n].end),
+ strcmp(ts[n].end, end) == 0);
+ }
+ }
+}
+
+static void string_strtoff(abts_case *tc, void *data)
+{
+ apr_off_t off;
+
+ ABTS_ASSERT(tc, "strtoff fails on out-of-range integer",
+ apr_strtoff(&off, "999999999999999999999999999999",
+ NULL, 10) != APR_SUCCESS);
+
+ ABTS_ASSERT(tc, "strtoff failed for 1234",
+ apr_strtoff(&off, "1234", NULL, 10) == APR_SUCCESS);
+
+ ABTS_ASSERT(tc, "strtoff failed to parse 1234", off == 1234);
+}
+
+/* random-ish checks for strfsize buffer overflows */
+static void overflow_strfsize(abts_case *tc, void *data)
+{
+ apr_off_t off;
+ char buf[7];
+
+ buf[5] = '$';
+ buf[6] = '@';
+
+ for (off = -9999; off < 20000; off++) {
+ apr_strfsize(off, buf);
+ }
+ for (; off < 9999999; off += 9) {
+ apr_strfsize(off, buf);
+ }
+ for (; off < 999999999; off += 999) {
+ apr_strfsize(off, buf);
+ }
+ for (off = 1; off < LONG_MAX && off > 0; off *= 2) {
+ apr_strfsize(off, buf);
+ apr_strfsize(off + 1, buf);
+ apr_strfsize(off - 1, buf);
+ }
+
+ ABTS_ASSERT(tc, "strfsize overflowed", buf[5] == '$');
+ ABTS_ASSERT(tc, "strfsize overflowed", buf[6] == '@');
+}
+
+static void string_strfsize(abts_case *tc, void *data)
+{
+ static const struct {
+ apr_off_t size;
+ const char *buf;
+ } ts[] = {
+ { -1, " - " },
+ { 0, " 0 " },
+ { 666, "666 " },
+ { 1024, "1.0K" },
+ { 1536, "1.5K" },
+ { 2048, "2.0K" },
+ { 1293874, "1.2M" },
+ { 9999999, "9.5M" },
+ { 103809024, " 99M" },
+ { 1047527424, "1.0G" } /* "999M" would be more correct */
+ };
+ apr_size_t n;
+
+ for (n = 0; n < sizeof(ts)/sizeof(ts[0]); n++) {
+ char buf[6], *ret;
+
+ buf[5] = '%';
+
+ ret = apr_strfsize(ts[n].size, buf);
+ ABTS_ASSERT(tc, "strfsize returned wrong buffer", ret == buf);
+ ABTS_ASSERT(tc, "strfsize overflowed", buf[5] == '%');
+
+ ABTS_STR_EQUAL(tc, ts[n].buf, ret);
+ }
+}
+
+static void snprintf_overflow(abts_case *tc, void *data)
+{
+ char buf[4];
+ int rv;
+
+ buf[2] = '4';
+ buf[3] = '2';
+
+ rv = apr_snprintf(buf, 2, "%s", "a");
+ ABTS_INT_EQUAL(tc, 1, rv);
+
+ rv = apr_snprintf(buf, 2, "%s", "abcd");
+ ABTS_INT_EQUAL(tc, 1, rv);
+
+ ABTS_STR_EQUAL(tc, buf, "a");
+
+ /* Check the buffer really hasn't been overflowed. */
+ ABTS_TRUE(tc, buf[2] == '4' && buf[3] == '2');
+}
+
+abts_suite *teststr(abts_suite *suite)
+{
+ suite = ADD_SUITE(suite)
+
+ abts_run_test(suite, snprintf_0NULL, NULL);
+ abts_run_test(suite, snprintf_0nonNULL, NULL);
+ abts_run_test(suite, snprintf_noNULL, NULL);
+ abts_run_test(suite, snprintf_underflow, NULL);
+ abts_run_test(suite, test_strtok, NULL);
+ abts_run_test(suite, string_error, NULL);
+ abts_run_test(suite, string_long, NULL);
+ abts_run_test(suite, string_strtoi64, NULL);
+ abts_run_test(suite, string_strtoff, NULL);
+ abts_run_test(suite, overflow_strfsize, NULL);
+ abts_run_test(suite, string_strfsize, NULL);
+ abts_run_test(suite, snprintf_overflow, NULL);
+
+ return suite;
+}
+