}{
		{
			name:         "normal case",
			r:            strings.NewReader("abcdefghijklmnopqrstuvwxyz"),
			peekSize:     16,
			n:            6,
			want:         6,
			wantBuffered: 10,
		},
		{
			name:         "discard causing read",
			r:            strings.NewReader("abcdefghijklmnopqrstuvwxyz"),
			n:            6,
			want:         6,
			wantBuffered: 10,
		},
		{