vala: Don't allow "resize" invocation on variable with unowned array type

Fixes https://gitlab.gnome.org/GNOME/vala/issues/928

4 files changed, 55 insertions, 0 deletions

diff --git a/tests/arrays/resize-unowned-invalid-2.test b/tests/arrays/resize-unowned-invalid-2.test
new file mode 100644
index 000000000..be1ab49ef
--- /dev/null
+++ b/tests/arrays/resize-unowned-invalid-2.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+void bar (string[] foo) {
+	foo.resize (42);
+}
+
+void main () {
+	var foo = new string[23];
+	bar (foo);
+}
diff --git a/tests/arrays/resize-unowned-invalid-3.test b/tests/arrays/resize-unowned-invalid-3.test
new file mode 100644
index 000000000..b76d4b7c8
--- /dev/null
+++ b/tests/arrays/resize-unowned-invalid-3.test
@@ -0,0 +1,9 @@
+Invalid Code
+
+unowned string[] foo;
+
+void main () {
+	var bar = new string[23];
+	foo = bar;
+	foo.resize (42);
+}
diff --git a/tests/arrays/resize-unowned-invalid.test b/tests/arrays/resize-unowned-invalid.test
new file mode 100644
index 000000000..b9d7aea4d
--- /dev/null
+++ b/tests/arrays/resize-unowned-invalid.test
@@ -0,0 +1,7 @@
+Invalid Code
+
+void main () {
+	var foo = new string[23];
+	unowned string[] bar = foo;
+	bar.resize (42);
+}
diff --git a/tests/arrays/resize.vala b/tests/arrays/resize.vala
new file mode 100644
index 000000000..0ed1bc1de
--- /dev/null
+++ b/tests/arrays/resize.vala
@@ -0,0 +1,29 @@
+void bar (ref string[] foo) {
+	foo.resize (42);
+}
+
+void manam (out string[] foo) {
+	foo = new string[23];
+	foo.resize (42);
+}
+
+string[] boo;
+
+void main () {
+	{
+		var foo = new string[23];
+		foo.resize (42);
+	}
+	{
+		var foo = new string[23];
+		bar (ref foo);
+	}
+	{
+		string[] foo;
+		manam (out foo);
+	}
+	{
+		boo = new string[23];
+		boo.resize (42);
+	}
+}