From 9c2982d22cb7449cbae26f88f259420e4db86de1 Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <jan.steffens@ltnglobal.com>
Date: Tue, 7 Jul 2020 14:02:06 +0200
Subject: [PATCH] tests: mpegtsmux: Test we don't crash releasing unused pad

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1411>
---
 tests/check/elements/mpegtsmux.c | 33 ++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tests/check/elements/mpegtsmux.c b/tests/check/elements/mpegtsmux.c
index 6abca47f95..d0df51aaae 100644
--- a/tests/check/elements/mpegtsmux.c
+++ b/tests/check/elements/mpegtsmux.c
@@ -388,6 +388,38 @@ GST_START_TEST (test_reappearing_pad)
 
 GST_END_TEST;
 
+GST_START_TEST (test_unused_pad)
+{
+  gchar *padname;
+  GstElement *mux;
+  GstPad *pad;
+
+  mux = gst_check_setup_element ("mpegtsmux");
+  mysrcpad = setup_src_pad (mux, &video_src_template, "sink_%d", &padname);
+  mysinkpad = gst_check_setup_sink_pad (mux, &sink_template);
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  fail_unless (gst_element_set_state (mux,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  pad = gst_element_get_static_pad (mux, padname);
+  gst_pad_set_active (mysrcpad, FALSE);
+  teardown_src_pad (mux, padname);
+  gst_element_release_request_pad (mux, pad);
+  gst_object_unref (pad);
+  g_free (padname);
+
+  mysrcpad = setup_src_pad (mux, &video_src_template, "sink_%d", &padname);
+  gst_pad_set_active (mysrcpad, TRUE);
+
+  cleanup_tsmux (mux, padname);
+  g_free (padname);
+}
+
+GST_END_TEST;
+
 GST_START_TEST (test_video)
 {
   check_tsmux_pad (&video_src_template, VIDEO_CAPS_STRING, 0xE0, 0x1b,
@@ -526,6 +558,7 @@ mpegtsmux_suite (void)
   tcase_add_test (tc_chain, test_align);
   tcase_add_test (tc_chain, test_keyframe_flag_propagation);
   tcase_add_test (tc_chain, test_reappearing_pad);
+  tcase_add_test (tc_chain, test_unused_pad);
 
   return s;
 }