If a child stream is still open at the point that a test stream is disposed, it probably means the tests are doing something wrong, and can lead to hard-to-diagnose memory leaks.

Here's a naïve patch. It seems to make most of the tests fail at this point though.

diff --git a/tests/wocky-test-stream.c b/tests/wocky-test-stream.c
index fbc52c5..93b4fcf 100644
--- a/tests/wocky-test-stream.c
+++ b/tests/wocky-test-stream.c
@@ -168,6 +168,15 @@ wocky_test_stream_dispose (GObject *object)
 
   self->priv->dispose_has_run = TRUE;
 
+  g_assert (g_input_stream_is_closed (
+        WOCKY_TEST_IO_STREAM (self->stream0)->input));
+  g_assert (g_output_stream_is_closed (
+        WOCKY_TEST_IO_STREAM (self->stream0)->output));
+  g_assert (g_input_stream_is_closed (
+        WOCKY_TEST_IO_STREAM (self->stream1)->input));
+  g_assert (g_output_stream_is_closed (
+        WOCKY_TEST_IO_STREAM (self->stream1)->output));
+
   g_object_unref (self->stream0);
   self->stream0 = NULL;