[vala/0.34] tests: Add test for parameter type checking of async methods

[Rico Tzschichholz <ricotz src gnome org>]

commit eba4e21990e5aa0b9e4aee4751f4756356a4f95a
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Jan 18 21:00:29 2018 +0100

    tests: Add test for parameter type checking of async methods
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792660

 tests/Makefile.am                 |    1 +
 tests/asynchronous/bug792660.vala |   15 +++++++++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0391a45..e1d3526 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -235,6 +235,7 @@ TESTS = \
        asynchronous/bug741929.vala \
        asynchronous/bug742621.vala \
        asynchronous/bug762819.vala \
+       asynchronous/bug792660.vala \
        asynchronous/closures.vala \
        dbus/basic-types.test \
        dbus/arrays.test \
diff --git a/tests/asynchronous/bug792660.vala b/tests/asynchronous/bug792660.vala
new file mode 100644
index 0000000..b5ffddd
--- /dev/null
+++ b/tests/asynchronous/bug792660.vala
@@ -0,0 +1,15 @@
+abstract class Foo {
+       public abstract async void foo ([CCode (array_length = false)] string[] a, int i);
+}
+
+class Bar : Foo {
+       public override async void foo (string[] a, int i) {
+               assert (i == 42);
+       }
+}
+
+void main () {
+       string[] a = { "foo", "bar" };
+       var bar = new Bar ();
+       bar.foo.begin (a, 42);
+}