[rygel] Revert "test: Drop racy double-freeze check"

[Jens Georg <jensgeorg src gnome org>]

commit 6fd96a0eb72133e178cd59233a504874c78ad37f
Author: Jens Georg <mail jensge org>
Date:   Fri Nov 14 22:07:57 2014 +0100

    Revert "test: Drop racy double-freeze check"
    
    This reverts commit b8ef0328dd9a2771822be169c6ced8b8b16d9fb3.

 tests/rygel-media-engine-test.vala |   59 ++++++++++++++++++++++++++++++++++++
 1 files changed, 59 insertions(+), 0 deletions(-)
---
diff --git a/tests/rygel-media-engine-test.vala b/tests/rygel-media-engine-test.vala
index 04148d9..02aeaaa 100644
--- a/tests/rygel-media-engine-test.vala
+++ b/tests/rygel-media-engine-test.vala
@@ -329,6 +329,64 @@ public class Rygel.DataSourceTest : Object {
         source = null;
     }
 
+    // Check that calling freeze multiple times only needs one thaw to get the
+    // data again
+    private void test_multiple_freeze () {
+        debug ("test_multiple_freeze");
+
+        try {
+            if (MetaConfig.get_default ().get_media_engine () ==
+                                            "librygel-media-engine-gst.so") {
+                message ("Skipping double-freeze test for gst engine.");
+
+                return;
+            }
+        } catch (Error error) {
+            // Config should be set and valid here. If not, something is quite
+            // wrong in the test.
+            assert_not_reached ();
+        }
+
+        var source = MediaEngine.get_default ().create_data_source
+                                        (this.test_data_file.get_uri ());
+        // Sources should support file:// urls
+        assert (source != null);
+        var available_id = source.data_available.connect ( () => {
+            assert_not_reached ();
+        });
+
+        try {
+            source.start (null);
+        } catch (GLib.Error error) {
+            assert_not_reached ();
+        }
+
+        source.freeze ();
+        source.freeze ();
+        var loop = new MainLoop (null, false);
+
+        Timeout.add_seconds (5, () => {
+            loop.quit ();
+
+            return false;
+        });
+
+        loop.run ();
+        source.disconnect (available_id);
+        source.data_available.connect ( () => {
+            loop.quit ();
+        });
+
+        var timeout_id = Timeout.add_seconds (5, () => {
+            assert_not_reached ();
+        });
+
+        source.thaw ();
+        loop.run ();
+        Source.remove (timeout_id);
+        source.stop ();
+    }
+
     // Check that it is possible to call stop() when the source is frozen and
     // still get a done() signal
     private void test_freeze_stop () {
@@ -411,6 +469,7 @@ public class Rygel.DataSourceTest : Object {
         this.test_simple_streaming ();
         this.test_byte_range_request ();
         this.test_stop_start ();
+        this.test_multiple_freeze ();
         this.test_freeze_stop ();
         this.test_parallel_streaming ();