test653: check reuse of easy handle after mime data change

See issue #1999

2 files changed, 67 insertions, 1 deletions

diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 381f80552..230416763 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -20,7 +20,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib559 lib560 lib562 lib564 lib565 lib566 lib567 lib568 lib569 lib570   \
  lib571 lib572 lib573 lib574 lib575 lib576        lib578 lib579 lib582   \
  lib583 lib585 lib586 lib587 lib589 lib590 lib591 lib597 lib598 lib599   \
- lib643 lib644 lib645 lib650 lib651 lib652 \
+ lib643 lib644 lib645 lib650 lib651 lib652 lib653 \
  lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
  lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515         lib1517 \
  lib1520 lib1521 \
@@ -321,6 +321,9 @@ lib651_CPPFLAGS = $(AM_CPPFLAGS)
 lib652_SOURCES = lib652.c $(SUPPORTFILES)
 lib652_CPPFLAGS = $(AM_CPPFLAGS)
 
+lib653_SOURCES = lib653.c $(SUPPORTFILES)
+lib653_CPPFLAGS = $(AM_CPPFLAGS)
+
 lib1500_SOURCES = lib1500.c $(SUPPORTFILES) $(TESTUTIL)
 lib1500_LDADD = $(TESTUTIL_LIBS)
 lib1500_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib653.c b/tests/libtest/lib653.c
new file mode 100644
index 000000000..6d78ee0f4
--- /dev/null
+++ b/tests/libtest/lib653.c
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, 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 "test.h"
+
+#include "testutil.h"
+#include "warnless.h"
+#include "memdebug.h"
+
+
+int test(char *URL)
+{
+  CURL *curls = NULL;
+  int res = 0;
+  curl_mimepart *field = NULL;
+  curl_mime *mime = NULL;
+
+  global_init(CURL_GLOBAL_ALL);
+  easy_init(curls);
+
+  mime = curl_mime_init(curls);
+  field = curl_mime_addpart(mime);
+  curl_mime_name(field, "name");
+  curl_mime_data(field, "short value", CURL_ZERO_TERMINATED);
+
+  easy_setopt(curls, CURLOPT_URL, URL);
+  easy_setopt(curls, CURLOPT_HEADER, 1L);
+  easy_setopt(curls, CURLOPT_VERBOSE, 1L);
+  easy_setopt(curls, CURLOPT_MIMEPOST, mime);
+  easy_setopt(curls, CURLOPT_NOPROGRESS, 1L);
+
+  res = curl_easy_perform(curls);
+  if(res)
+    goto test_cleanup;
+
+  /* Alter form and resubmit. */
+  curl_mime_data(field, "long value for length change", CURL_ZERO_TERMINATED);
+  res = curl_easy_perform(curls);
+
+test_cleanup:
+  curl_mime_free(mime);
+  curl_easy_cleanup(curls);
+  curl_global_cleanup();
+  return (int) res; /* return the final return code */
+}