}
		oldHi = d.hi
	}
}

// TestNoLongerSavingPriorExpansions tests the decoder state when codes other
// than clear codes continue to be seen after decoder.hi and decoder.width
// reach their maximum values (4095 and 12), i.e. after we no longer save prior
// expansions. In particular, it tests seeing the highest possible code, 4095.
func TestNoLongerSavingPriorExpansions(t *testing.T) {