factor/basis/bitstreams/bitstreams-tests.factor

52 lines
1.0 KiB
Factor

! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors bitstreams kernel tools.test ;
{ 0b1111111111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
10 swap peek
] unit-test
{ 0b111111111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
9 swap peek
] unit-test
{ 0b11111111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
8 swap peek
] unit-test
{ 0b1111111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
7 swap peek
] unit-test
{ 0b111111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
6 swap peek
] unit-test
{ 0b11111 }
[
B{ 0x0f 0xff 0xff 0xff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
5 swap peek
] unit-test
[ B{ } <msb0-bit-reader> 5 swap peek ] must-fail
[ B{ } <msb0-bit-reader> 1 swap peek ] must-fail
[ B{ } <msb0-bit-reader> 8 swap peek ] must-fail
{ 0 } [ B{ } <msb0-bit-reader> 0 swap peek ] unit-test