vala: SliceExpression need to return heap-allocated or unowned references

Fixes https://gitlab.gnome.org/GNOME/vala/issues/1120

1 files changed, 75 insertions, 0 deletions

diff --git a/tests/arrays/slice-fixed-length.vala b/tests/arrays/slice-fixed-length.vala
new file mode 100644
index 000000000..7b81f615a
--- /dev/null
+++ b/tests/arrays/slice-fixed-length.vala
@@ -0,0 +1,75 @@
+void manam (string[] foo) {
+	assert (foo.length == 2);
+	assert (foo[0] == "bar");
+	assert (foo[1] == "baz");
+}
+
+void minim (owned string[] foo) {
+	assert (foo.length == 2);
+	assert (foo[0] == "bar");
+	assert (foo[1] == "baz");
+}
+
+void main () {
+	string bar[4] = { "foo", "bar", "baz", "buzz" };
+	{
+		var foo = bar[1:3];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		unowned var foo = bar[1:3];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		int begin = 1;
+		var foo = bar[begin:3];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		string[] foo = bar[1:3];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		unowned string[] foo = bar[1:3];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		int end = 3;
+		string[] foo = bar[1:end];
+		assert (foo.length == 2);
+		assert (foo[0] == "bar");
+		assert (foo[1] == "baz");
+	}
+	{
+		manam (bar[1:3]);
+	}
+	{
+		int begin = 1;
+		manam (bar[begin:3]);
+	}
+	{
+		int end = 3;
+		manam (bar[1:end]);
+	}
+	{
+		minim (bar[1:3]);
+	}
+	{
+		int begin = 1;
+		minim (bar[begin:3]);
+	}
+	{
+		int end = 3;
+		minim (bar[1:end]);
+	}
+}