test: Add "GLib.Closure parameter" test to increase coverage

2 files changed, 31 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6f9e5fd83..4b424f87c 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -279,6 +279,7 @@ TESTS = \
 	delegates/error-pos.vala \
 	delegates/fields.vala \
 	delegates/fields-no-target.vala \
+	delegates/gclosure-conversion.vala \
 	delegates/instance-method-to-no-target.test \
 	delegates/lambda-mixed-instance-static.vala \
 	delegates/lambda-shared-closure.vala \
diff --git a/tests/delegates/gclosure-conversion.vala b/tests/delegates/gclosure-conversion.vala
new file mode 100644
index 000000000..7df324a3a
--- /dev/null
+++ b/tests/delegates/gclosure-conversion.vala
@@ -0,0 +1,30 @@
+class Foo : Object {
+	public string foo { get; set; }
+}
+
+class Bar : Object {
+	public int bar { get; set; }
+}
+
+bool to_int (Binding b, Value from, ref Value to) {
+	to.set_int (from.get_string ().to_int ());
+	return true;
+}
+
+bool to_string (Binding b, Value from, ref Value to) {
+	to.set_string (from.get_int ().to_string ());
+	return true;
+}
+
+void main () {
+	var foo = new Foo ();
+	var bar = new Bar ();
+
+	foo.bind_property ("foo", bar, "bar", BindingFlags.BIDIRECTIONAL,
+		(BindingTransformFunc) to_int, (BindingTransformFunc) to_string);
+
+	foo.foo = "42";
+	assert (bar.bar == 42);
+	bar.bar = 23;
+	assert (foo.foo == "23");
+}