continue
		}
		if empty := IsEmptyTree(tree.Root); empty != test.empty {
			t.Errorf("%q: expected %t got %t", test.name, test.empty, empty)
		}
	}
}

func TestErrorContextWithTreeCopy(t *testing.T) {
	tree, err := New("root").Parse("{{if true}}{{end}}", "", "", make(map[string]*Tree), nil)
	if err != nil {
		t.Fatalf("unexpected tree parse failure: %v", err)
	}
	treeCopy := tree.Copy()