[seed] tests: add test for null struct return values

[Tim Horton <hortont src gnome org>]

commit 707c97582d337de732d404ad6575712827f9f636
Author: Tim Horton <hortont424 gmail com>
Date:   Mon Jan 11 17:15:26 2010 -0500

    tests: add test for null struct return values

 tests/javascript/structs/Makefile.am    |    2 ++
 tests/javascript/structs/struct-null.js |   14 ++++++++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/tests/javascript/structs/Makefile.am b/tests/javascript/structs/Makefile.am
index 81044ea..79fefef 100644
--- a/tests/javascript/structs/Makefile.am
+++ b/tests/javascript/structs/Makefile.am
@@ -3,6 +3,7 @@ EXTRA_DIST = \
 	struct-set-member.js \
 	struct-constructor.js \
 	struct-nested-set.js \
+	struct-null.js \
 	struct-union-enumerate.js \
 	struct-enumerate.js \
 	struct-offsets.js \
@@ -13,6 +14,7 @@ TESTS = \
 	struct-set-member.js \
 	struct-constructor.js \
 	struct-nested-set.js \
+	struct-null.js \
 	struct-union-enumerate.js \
 	struct-enumerate.js \
 	struct-offsets.js
diff --git a/tests/javascript/structs/struct-null.js b/tests/javascript/structs/struct-null.js
new file mode 100755
index 0000000..5785711
--- /dev/null
+++ b/tests/javascript/structs/struct-null.js
@@ -0,0 +1,14 @@
+#!../../../src/seed
+
+testsuite = imports.testsuite;
+Gtk = imports.gi.Gtk;
+
+Gtk.init(Seed.argv);
+
+var iconTheme = Gtk.IconTheme.get_default();
+
+// returns NULL if icon not found
+var iconInfo = iconTheme.lookup_icon("fake icon name", 32);
+
+testsuite.assert(iconInfo === null)
+