// even when writing different sizes to the Writer.
func TestDeterministic(t *testing.T) {
	t.Parallel()
	for i := 0; i <= 9; i++ {
		t.Run(fmt.Sprint("L", i), func(t *testing.T) { testDeterministic(i, t) })
	}
	t.Run("LM2", func(t *testing.T) { testDeterministic(-2, t) })
}

func testDeterministic(i int, t *testing.T) {
	t.Parallel()
	// Test so much we cross a good number of block boundaries.