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-rw-r--r--tests/data/Makefile.inc1
-rw-r--r--tests/data/test160826
-rw-r--r--tests/unit/Makefile.inc6
-rw-r--r--tests/unit/unit1608.c70
4 files changed, 102 insertions, 1 deletions
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index ca0c7edd1..2f5721318 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -177,6 +177,7 @@ test1533 test1534 test1535 test1536 test1537 test1538 \
test1540 \
test1550 test1551 test1552 test1553 test1554 test1555 test1556 \
test1600 test1601 test1602 test1603 test1604 test1605 test1606 test1607 \
+test1608 \
\
test1700 test1701 test1702 \
\
diff --git a/tests/data/test1608 b/tests/data/test1608
new file mode 100644
index 000000000..702310757
--- /dev/null
+++ b/tests/data/test1608
@@ -0,0 +1,26 @@
+<testcase>
+<info>
+<keywords>
+unittest
+curlopt_dns_shuffle_addresses
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+<features>
+unittest
+</features>
+ <name>
+verify DNS shuffling
+ </name>
+<tool>
+unit1608
+</tool>
+</client>
+
+</testcase>
diff --git a/tests/unit/Makefile.inc b/tests/unit/Makefile.inc
index 9a19f51d1..f77da7588 100644
--- a/tests/unit/Makefile.inc
+++ b/tests/unit/Makefile.inc
@@ -9,7 +9,8 @@ UNITPROGS = unit1300 unit1301 unit1302 unit1303 unit1304 unit1305 unit1307 \
unit1308 unit1309 unit1323 \
unit1330 unit1394 unit1395 unit1396 unit1397 unit1398 \
unit1399 \
- unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606 unit1607
+ unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606 unit1607 \
+ unit1608
unit1300_SOURCES = unit1300.c $(UNITFILES)
unit1300_CPPFLAGS = $(AM_CPPFLAGS)
@@ -88,3 +89,6 @@ unit1606_CPPFLAGS = $(AM_CPPFLAGS)
unit1607_SOURCES = unit1607.c $(UNITFILES)
unit1607_CPPFLAGS = $(AM_CPPFLAGS)
+
+unit1608_SOURCES = unit1608.c $(UNITFILES)
+unit1608_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/unit/unit1608.c b/tests/unit/unit1608.c
new file mode 100644
index 000000000..9ae474ba9
--- /dev/null
+++ b/tests/unit/unit1608.c
@@ -0,0 +1,70 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curlcheck.h"
+
+#include "hostip.h"
+
+#define NUM_ADDRS 8
+static struct Curl_addrinfo addrs[NUM_ADDRS];
+
+static CURLcode unit_setup(void)
+{
+ int i;
+ for(i = 0; i < NUM_ADDRS - 1; i++) {
+ addrs[i].ai_next = &addrs[i + 1];
+ }
+
+ return CURLE_OK;
+}
+
+static void unit_stop(void)
+{
+
+}
+
+UNITTEST_START
+{
+ int i;
+ CURLcode code;
+ struct Curl_addrinfo* addrhead = addrs;
+
+ struct Curl_easy *easy = curl_easy_init();
+ abort_unless(easy, "out of memory");
+
+ code = curl_easy_setopt(easy, CURLOPT_DNS_SHUFFLE_ADDRESSES, 1L);
+ abort_unless(code == CURLE_OK, "curl_easy_setopt failed");
+
+ /* Shuffle repeatedly and make sure that the list changes */
+ for(i = 0; i < 10; i++) {
+ if(CURLE_OK != Curl_shuffle_addr(easy, &addrhead))
+ break;
+ if(addrhead != addrs)
+ break;
+ }
+
+ curl_easy_cleanup(easy);
+
+ abort_unless(addrhead != addrs, "addresses are not being reordered");
+
+ return 0;
+}
+UNITTEST_STOP