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bufferlist: Add test to ensure that buffers in an non-writable list are not writable

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=796692
This commit is contained in:
Sebastian Dröge 2018-06-28 14:13:39 +02:00
parent 6fa351407a
commit 13a45c0a38
1 changed files with 26 additions and 0 deletions
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26
tests/check/gst/gstbufferlist.c
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@ -483,6 +483,31 @@ GST_START_TEST (test_new_sized_0)
GST_END_TEST;
GST_START_TEST (test_multiple_mutable_buffer_references)
{
GstBufferList *b = gst_buffer_list_new_sized (1);
GstBuffer *buf1, *buf2;
gst_buffer_list_add (b, gst_buffer_new ());
gst_buffer_list_ref (b);
buf1 = gst_buffer_list_get (b, 0);
buf2 = gst_buffer_list_get (b, 0);
fail_if (gst_buffer_list_is_writable (b));
fail_if (gst_buffer_is_writable (buf1));
fail_if (gst_buffer_is_writable (buf2));
/* Immutable operations that have optimizations for writable buffers
* will cause problems now, e.g. read-mapping the buffer and merging
* together all the memories and replacing them in the buffer */
gst_buffer_list_unref (b);
gst_buffer_list_unref (b);
}
GST_END_TEST;
static Suite *
gst_buffer_list_suite (void)
{
@ -501,6 +526,7 @@ gst_buffer_list_suite (void)
tcase_add_test (tc_chain, test_get_writable);
tcase_add_test (tc_chain, test_calc_size);
tcase_add_test (tc_chain, test_new_sized_0);
tcase_add_test (tc_chain, test_multiple_mutable_buffer_references);
return s;
}