}
		if len(test.orig) != origLen {
			t.Errorf("Append #%d origLen: have %v, want %v", i, len(test.orig), origLen)
		}
		if len(test.extra) != extraLen {
			t.Errorf("Append #%d extraLen: have %v, want %v", i, len(test.extra), extraLen)
		}

		// Test AppendSlice.
		a1 := ValueOf(&test.orig).Elem()
		have1 := AppendSlice(a1, e1)
		if have1.CanAddr() {