[gimp] app: Add a test case for the "gimp:flood" operation

[Michael Natterer <mitch src gnome org>]

commit 5084bcae874ba7572e7cd49a0220a105271eddeb
Author: Ell <ell_se yahoo com>
Date:   Sat Mar 19 11:38:04 2016 +0000

    app: Add a test case for the "gimp:flood" operation

 app/operations/gimpoperationflood.c        |   14 ++++++++++++++
 app/operations/tests/data/flood-input.png  |  Bin 0 -> 14282 bytes
 app/operations/tests/data/flood-output.png |  Bin 0 -> 11632 bytes
 3 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/app/operations/gimpoperationflood.c b/app/operations/gimpoperationflood.c
index 699ce38..19310ca 100644
--- a/app/operations/gimpoperationflood.c
+++ b/app/operations/gimpoperationflood.c
@@ -565,6 +565,18 @@ G_DEFINE_TYPE (GimpOperationFlood, gimp_operation_flood,
 #define parent_class gimp_operation_flood_parent_class
 
 
+/* GEGL graph for the test case. */
+static const gchar* reference_xml = "<?xml version='1.0' encoding='UTF-8'?>"
+"<gegl>"
+"<node operation='gimp:flood'> </node>"
+"<node operation='gegl:load'>"
+"  <params>"
+"    <param name='path'>flood-input.png</param>"
+"  </params>"
+"</node>"
+"</gegl>";
+
+
 static void
 gimp_operation_flood_class_init (GimpOperationFloodClass *klass)
 {
@@ -589,6 +601,8 @@ gimp_operation_flood_class_init (GimpOperationFloodClass *klass)
                                  "name",        "gimp:flood",
                                  "categories",  "gimp",
                                  "description", "GIMP Flood operation",
+                                 "reference-image", "flood-output.png",
+                                 "reference-composition", reference_xml,
                                  NULL);
 
   operation_class->prepare                 = gimp_operation_flood_prepare;
diff --git a/app/operations/tests/data/flood-input.png b/app/operations/tests/data/flood-input.png
new file mode 100644
index 0000000..77dd3ae
Binary files /dev/null and b/app/operations/tests/data/flood-input.png differ
diff --git a/app/operations/tests/data/flood-output.png b/app/operations/tests/data/flood-output.png
new file mode 100644
index 0000000..e6e6c28
Binary files /dev/null and b/app/operations/tests/data/flood-output.png differ