add destructuring assignment tests

test/slash/destructuring_assignment.sl

@@ -0,0 +1,38 @@
+<%
+
+class DestructuringAssignmentTest extends Test {
+    def test_array_assignment {
+        [a, b, c] = [1, 2, 3];
+        assert_equal(1, a);
+        assert_equal(2, b);
+        assert_equal(3, c);
+    }
+
+    def test_array_assignment_2 {
+        [a, b, c] = [1, 2];
+        assert_equal(1, a);
+        assert_equal(2, b);
+        assert_equal(nil, c);
+    }
+
+    def test_array_assignment_2 {
+        [a, b, c] = 1;
+        assert_equal(1, a);
+        assert_equal(nil, b);
+        assert_equal(nil, c);
+    }
+
+    def test_nested_array_assignment {
+        [[a, b]] = [[1, 2], [3, 4]];
+
+        assert_equal(1, a);
+        assert_equal(2, b);
+    }
+
+    def test_nested_array_assignment_2 {
+        [[a, b]] = [1, [2, 3]];
+
+        assert_equal(1, a);
+        assert_equal(nil, b);
+    }
+}