From 6e38fba613cf7c930938a3129aa3dc7e1d67225f Mon Sep 17 00:00:00 2001
From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Mon, 2 Sep 2019 10:21:05 +0200
Subject: [PATCH] tests: Add dedicated "property ownership" tests

---
 tests/Makefile.am                     |  1 +
 tests/objects/property-ownership.vala | 89 +++++++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 tests/objects/property-ownership.vala

diff --git a/tests/Makefile.am b/tests/Makefile.am
index a5bf21ec8..093ee5863 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -319,6 +319,7 @@ TESTS = \
 	objects/plugin-module-init.vala \
 	objects/properties.vala \
 	objects/property-notify.vala \
+	objects/property-ownership.vala \
 	objects/property-read-only-auto.vala \
 	objects/property-read-only-write.test \
 	objects/property-construct-only-write.test \
diff --git a/tests/objects/property-ownership.vala b/tests/objects/property-ownership.vala
new file mode 100644
index 000000000..4fa177586
--- /dev/null
+++ b/tests/objects/property-ownership.vala
@@ -0,0 +1,89 @@
+class Foo : Object {
+}
+
+class Bar : Object {
+	public Foo foo { get; set; }
+	public Foo foo_owned { owned get; set; }
+	public weak Foo foo_weak { get; set; }
+	public weak Foo foo_weak_owned { owned get; set; }
+}
+
+class Manam {
+	public Foo foo { get; set; }
+	public Foo foo_owned { owned get; set; }
+	public weak Foo foo_weak { get; set; }
+	public weak Foo foo_weak_owned { owned get; set; }
+}
+
+void main () {
+	var foo = new Foo ();
+	assert (foo.ref_count == 1);
+
+	//GObject class
+	{
+		var bar = new Bar ();
+		bar.foo = foo;
+		assert (foo.ref_count == 2);
+		unowned Foo f = bar.foo;
+		assert (foo.ref_count == 2);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var bar = new Bar ();
+		bar.foo_owned = foo;
+		assert (foo.ref_count == 2);
+		Foo f = bar.foo_owned;
+		assert (foo.ref_count == 3);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var bar = new Bar ();
+		bar.foo_weak = foo;
+		assert (foo.ref_count == 1);
+		unowned Foo f_weak = bar.foo_weak;
+		assert (foo.ref_count == 1);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var bar = new Bar ();
+		bar.foo_weak_owned = foo;
+		assert (foo.ref_count == 1);
+		Foo f_weak_owned = bar.foo_weak_owned;
+		assert (foo.ref_count == 2);
+	}
+	assert (foo.ref_count == 1);
+
+	//GType class
+	{
+		var manam = new Manam ();
+		manam.foo = foo;
+		assert (foo.ref_count == 2);
+		unowned Foo f = manam.foo;
+		assert (foo.ref_count == 2);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var manam = new Manam ();
+		manam.foo_owned = foo;
+		assert (foo.ref_count == 2);
+		Foo f = manam.foo_owned;
+		assert (foo.ref_count == 3);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var manam = new Manam ();
+		manam.foo_weak = foo;
+		assert (foo.ref_count == 1);
+		unowned Foo f_weak = manam.foo_weak;
+		assert (foo.ref_count == 1);
+	}
+	assert (foo.ref_count == 1);
+	{
+		var manam = new Manam ();
+		manam.foo_weak_owned = foo;
+		assert (foo.ref_count == 1);
+		Foo f_weak_owned = manam.foo_weak_owned;
+		assert (foo.ref_count == 2);
+	}
+	assert (foo.ref_count == 1);
+}
-- 
2.47.2