diff options
Diffstat (limited to 'vendor/bit_field/src/tests.rs')
-rw-r--r-- | vendor/bit_field/src/tests.rs | 450 |
1 files changed, 450 insertions, 0 deletions
diff --git a/vendor/bit_field/src/tests.rs b/vendor/bit_field/src/tests.rs new file mode 100644 index 0000000..dd470e8 --- /dev/null +++ b/vendor/bit_field/src/tests.rs @@ -0,0 +1,450 @@ +use BitArray; +use BitField; + +#[test] +fn test_integer_bit_lengths() { + assert_eq!(u8::BIT_LENGTH, 8); + assert_eq!(u16::BIT_LENGTH, 16); + assert_eq!(u32::BIT_LENGTH, 32); + assert_eq!(u64::BIT_LENGTH, 64); + assert_eq!(u128::BIT_LENGTH, 128); + + assert_eq!(i8::BIT_LENGTH, 8); + assert_eq!(i16::BIT_LENGTH, 16); + assert_eq!(i32::BIT_LENGTH, 32); + assert_eq!(i64::BIT_LENGTH, 64); + assert_eq!(i128::BIT_LENGTH, 128); +} + +#[test] +fn test_set_reset_u8() { + let mut field = 0b11110010u8; + let mut bit_i = |i| { + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + field.set_bit(i, false); + assert_eq!(field.get_bit(i), false); + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + }; + for i in 0..8 { + bit_i(i); + } +} + +#[test] +fn test_set_reset_u16() { + let mut field = 0b1111001010010110u16; + let mut bit_i = |i| { + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + field.set_bit(i, false); + assert_eq!(field.get_bit(i), false); + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + }; + for i in 0..16 { + bit_i(i); + } +} + +#[test] +fn test_read_u32() { + let field = 0b1111111111010110u32; + assert_eq!(field.get_bit(0), false); + assert_eq!(field.get_bit(1), true); + assert_eq!(field.get_bit(2), true); + assert_eq!(field.get_bit(3), false); + assert_eq!(field.get_bit(4), true); + assert_eq!(field.get_bit(5), false); + for i in 6..16 { + assert_eq!(field.get_bit(i), true); + } + for i in 16..32 { + assert_eq!(field.get_bit(i), false); + } + + assert_eq!(field.get_bits(16..), 0); + assert_eq!(field.get_bits(16..32), 0); + assert_eq!(field.get_bits(16..=31), 0); + + assert_eq!(field.get_bits(6..16), 0b1111111111); + assert_eq!(field.get_bits(6..=15), 0b1111111111); + + assert_eq!(field.get_bits(..6), 0b010110); + assert_eq!(field.get_bits(0..6), 0b010110); + assert_eq!(field.get_bits(0..=5), 0b010110); + + assert_eq!(field.get_bits(..10), 0b1111010110); + assert_eq!(field.get_bits(0..10), 0b1111010110); + assert_eq!(field.get_bits(0..=9), 0b1111010110); + + assert_eq!(field.get_bits(5..12), 0b1111110); + assert_eq!(field.get_bits(5..=11), 0b1111110); +} + +#[test] +fn test_set_reset_u32() { + let mut field = 0b1111111111010110u32; + let mut bit_i = |i| { + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + field.set_bit(i, false); + assert_eq!(field.get_bit(i), false); + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + }; + for i in 0..32 { + bit_i(i); + } +} + +#[test] +fn test_set_range_u32() { + let mut field = 0b1111111111010110u32; + field.set_bits(10..15, 0b00000); + assert_eq!(field.get_bits(10..15), 0b00000); + assert_eq!(field.get_bits(10..=14), 0b00000); + field.set_bits(10..15, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(10..15, 0b01010); + assert_eq!(field.get_bits(10..15), 0b01010); + assert_eq!(field.get_bits(10..=14), 0b01010); + field.set_bits(10..15, 0b11111); + assert_eq!(field.get_bits(10..15), 0b11111); + assert_eq!(field.get_bits(10..=14), 0b11111); + + field.set_bits(10..=14, 0b00000); + assert_eq!(field.get_bits(10..15), 0b00000); + assert_eq!(field.get_bits(10..=14), 0b00000); + field.set_bits(10..=14, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(10..=14, 0b01010); + assert_eq!(field.get_bits(10..15), 0b01010); + assert_eq!(field.get_bits(10..=14), 0b01010); + field.set_bits(10..=14, 0b11111); + assert_eq!(field.get_bits(10..15), 0b11111); + assert_eq!(field.get_bits(10..=14), 0b11111); + + field.set_bits(0..16, 0xdead); + field.set_bits(14..32, 0xbeaf); + assert_eq!(field.get_bits(0..16), 0xdead); + assert_eq!(field.get_bits(14..32), 0xbeaf); + + field.set_bits(..16, 0xdead); + field.set_bits(14.., 0xbeaf); + assert_eq!(field.get_bits(..16), 0xdead); + assert_eq!(field.get_bits(14..), 0xbeaf); +} + +#[test] +fn test_read_u64() { + let field = 0b1111111111010110u64 << 32; + for i in 0..32 { + assert_eq!(field.get_bit(i), false); + } + assert_eq!(field.get_bit(32), false); + assert_eq!(field.get_bit(33), true); + assert_eq!(field.get_bit(34), true); + assert_eq!(field.get_bit(35), false); + assert_eq!(field.get_bit(36), true); + assert_eq!(field.get_bit(37), false); + for i in 38..48 { + assert_eq!(field.get_bit(i), true); + } + for i in 48..64 { + assert_eq!(field.get_bit(i), false); + } + + assert_eq!(field.get_bits(..32), 0); + assert_eq!(field.get_bits(0..32), 0); + assert_eq!(field.get_bits(0..=31), 0); + + assert_eq!(field.get_bits(48..), 0); + assert_eq!(field.get_bits(48..64), 0); + assert_eq!(field.get_bits(48..=63), 0); + + assert_eq!(field.get_bits(38..48), 0b1111111111); + assert_eq!(field.get_bits(38..=47), 0b1111111111); + + assert_eq!(field.get_bits(32..38), 0b010110); + assert_eq!(field.get_bits(32..=37), 0b010110); + + assert_eq!(field.get_bits(32..42), 0b1111010110); + assert_eq!(field.get_bits(32..=41), 0b1111010110); + + assert_eq!(field.get_bits(37..44), 0b1111110); + assert_eq!(field.get_bits(37..=43), 0b1111110); +} + +#[test] +fn test_set_reset_u64() { + let mut field = 0b1111111111010110u64 << 32; + let mut bit_i = |i| { + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + field.set_bit(i, false); + assert_eq!(field.get_bit(i), false); + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + }; + for i in 0..64 { + bit_i(i); + } +} + +#[test] +fn test_set_range_u64() { + let mut field = 0b1111111111010110u64 << 32; + field.set_bits(42..47, 0b00000); + assert_eq!(field.get_bits(42..47), 0b00000); + assert_eq!(field.get_bits(42..=46), 0b00000); + field.set_bits(10..15, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(40..45, 0b01010); + assert_eq!(field.get_bits(40..45), 0b01010); + assert_eq!(field.get_bits(40..=44), 0b01010); + field.set_bits(40..45, 0b11111); + assert_eq!(field.get_bits(40..45), 0b11111); + assert_eq!(field.get_bits(40..=44), 0b11111); + + field.set_bits(42..=46, 0b00000); + assert_eq!(field.get_bits(42..47), 0b00000); + assert_eq!(field.get_bits(42..=46), 0b00000); + field.set_bits(10..=14, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(40..=44, 0b01010); + assert_eq!(field.get_bits(40..45), 0b01010); + assert_eq!(field.get_bits(40..=44), 0b01010); + field.set_bits(40..=44, 0b11111); + assert_eq!(field.get_bits(40..45), 0b11111); + assert_eq!(field.get_bits(40..=44), 0b11111); + + field.set_bits(0..16, 0xdead); + field.set_bits(14..32, 0xbeaf); + field.set_bits(32..64, 0xcafebabe); + assert_eq!(field.get_bits(0..16), 0xdead); + assert_eq!(field.get_bits(14..32), 0xbeaf); + assert_eq!(field.get_bits(32..64), 0xcafebabe); + + field.set_bits(..16, 0xdead); + field.set_bits(14..=31, 0xbeaf); + field.set_bits(32.., 0xcafebabe); + assert_eq!(field.get_bits(..16), 0xdead); + assert_eq!(field.get_bits(14..=31), 0xbeaf); + assert_eq!(field.get_bits(32..), 0xcafebabe); +} + +#[test] +fn test_read_u128() { + let field = 0b1111111111010110u128 << 32; + for i in 0..32 { + assert_eq!(field.get_bit(i), false); + } + assert_eq!(field.get_bit(32), false); + assert_eq!(field.get_bit(33), true); + assert_eq!(field.get_bit(34), true); + assert_eq!(field.get_bit(35), false); + assert_eq!(field.get_bit(36), true); + assert_eq!(field.get_bit(37), false); + for i in 38..48 { + assert_eq!(field.get_bit(i), true); + } + for i in 48..64 { + assert_eq!(field.get_bit(i), false); + } + + assert_eq!(field.get_bits(..32), 0); + assert_eq!(field.get_bits(0..32), 0); + assert_eq!(field.get_bits(0..=31), 0); + + assert_eq!(field.get_bits(48..), 0); + assert_eq!(field.get_bits(48..64), 0); + assert_eq!(field.get_bits(48..=63), 0); + + assert_eq!(field.get_bits(38..48), 0b1111111111); + assert_eq!(field.get_bits(38..=47), 0b1111111111); + + assert_eq!(field.get_bits(32..38), 0b010110); + assert_eq!(field.get_bits(32..=37), 0b010110); + + assert_eq!(field.get_bits(32..42), 0b1111010110); + assert_eq!(field.get_bits(32..=41), 0b1111010110); + + assert_eq!(field.get_bits(37..44), 0b1111110); + assert_eq!(field.get_bits(37..=43), 0b1111110); +} + +#[test] +fn test_set_reset_u128() { + let mut field = 0b1111111111010110u128 << 32; + let mut bit_i = |i| { + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + field.set_bit(i, false); + assert_eq!(field.get_bit(i), false); + field.set_bit(i, true); + assert_eq!(field.get_bit(i), true); + }; + for i in 0..64 { + bit_i(i); + } +} + +#[test] +fn test_set_range_u128() { + let mut field = 0b1111111111010110u128 << 32; + field.set_bits(42..47, 0b00000); + assert_eq!(field.get_bits(42..47), 0b00000); + assert_eq!(field.get_bits(42..=46), 0b00000); + field.set_bits(10..15, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(40..45, 0b01010); + assert_eq!(field.get_bits(40..45), 0b01010); + assert_eq!(field.get_bits(40..=44), 0b01010); + field.set_bits(40..45, 0b11111); + assert_eq!(field.get_bits(40..45), 0b11111); + assert_eq!(field.get_bits(40..=44), 0b11111); + + field.set_bits(42..=46, 0b00000); + assert_eq!(field.get_bits(42..47), 0b00000); + assert_eq!(field.get_bits(42..=46), 0b00000); + field.set_bits(10..=14, 0b10101); + assert_eq!(field.get_bits(10..15), 0b10101); + assert_eq!(field.get_bits(10..=14), 0b10101); + field.set_bits(40..=44, 0b01010); + assert_eq!(field.get_bits(40..45), 0b01010); + assert_eq!(field.get_bits(40..=44), 0b01010); + field.set_bits(40..=44, 0b11111); + assert_eq!(field.get_bits(40..45), 0b11111); + assert_eq!(field.get_bits(40..=44), 0b11111); + + field.set_bits(0..16, 0xdead); + field.set_bits(14..32, 0xbeaf); + field.set_bits(32..64, 0xcafebabe); + assert_eq!(field.get_bits(0..16), 0xdead); + assert_eq!(field.get_bits(14..32), 0xbeaf); + assert_eq!(field.get_bits(32..64), 0xcafebabe); + + field.set_bits(..16, 0xdead); + field.set_bits(14..=31, 0xbeaf); + field.set_bits(32.., 0xcafebabe); + assert_eq!(field.get_bits(..16), 0xdead); + assert_eq!(field.get_bits(14..=31), 0xbeaf); + assert_eq!(field.get_bits(32..), 0xcafebabe); +} + +#[test] +fn test_array_length() { + assert_eq!((&[2u8, 3u8, 4u8]).bit_length(), 24); + assert_eq!((&[2i8, 3i8, 4i8, 5i8]).bit_length(), 32); + + assert_eq!((&[2u16, 3u16, 4u16]).bit_length(), 48); + assert_eq!((&[2i16, 3i16, 4i16, 5i16]).bit_length(), 64); + + assert_eq!((&[2u32, 3u32, 4u32]).bit_length(), 96); + assert_eq!((&[2i32, 3i32, 4i32, 5i32]).bit_length(), 128); + + assert_eq!((&[2u64, 3u64, 4u64]).bit_length(), 192); + assert_eq!((&[2i64, 3i64, 4i64, 5i64]).bit_length(), 256); +} + +#[test] +fn test_set_bit_array() { + let mut test_val = [0xffu8]; + &test_val.set_bit(0, false); + assert_eq!(test_val, [0xfeu8]); + &test_val.set_bit(4, false); + assert_eq!(test_val, [0xeeu8]); + + let mut test_array = [0xffu8, 0x00u8, 0xffu8]; + &test_array.set_bit(7, false); + &test_array.set_bit(8, true); + &test_array.set_bit(16, false); + + assert_eq!(test_array, [0x7fu8, 0x01u8, 0xfeu8]); +} + +#[test] +fn test_get_bit_array() { + let test_val = [0xefu8]; + assert_eq!(test_val.get_bit(1), true); + assert_eq!(test_val.get_bit(4), false); + + let test_array = [0xffu8, 0x00u8, 0xffu8]; + assert_eq!(test_array.get_bit(7), true); + assert_eq!(test_array.get_bit(8), false); + assert_eq!(test_array.get_bit(16), true); +} + +#[test] +fn test_set_bits_array() { + let mut test_val = [0xffu8]; + + test_val.set_bits(0..4, 0x0u8); + assert_eq!(test_val, [0xf0u8]); + + test_val.set_bits(0..4, 0xau8); + assert_eq!(test_val, [0xfau8]); + + test_val.set_bits(4..8, 0xau8); + assert_eq!(test_val, [0xaau8]); + + test_val.set_bits(.., 0xffu8); + assert_eq!(test_val, [0xffu8]); + + test_val.set_bits(2..=5, 0x0u8); + assert_eq!(test_val, [0xc3u8]); + + let mut test_array = [0xffu8, 0x00u8, 0xffu8]; + + test_array.set_bits(7..9, 0b10); + assert_eq!(test_array, [0x7f, 0x01, 0xff]); + + test_array.set_bits(12..20, 0xaa); + assert_eq!(test_array, [0x7f, 0xa1, 0xfa]); + + test_array.set_bits(16..24, 0xaa); + assert_eq!(test_array, [0x7f, 0xa1, 0xaa]); + + test_array.set_bits(6..14, 0x00); + assert_eq!(test_array, [0x3f, 0x80, 0xaa]); + + test_array.set_bits(..4, 0x00); + assert_eq!(test_array, [0x30, 0x80, 0xaa]); + + test_array.set_bits(20.., 0x00); + assert_eq!(test_array, [0x30, 0x80, 0x0a]); + + test_array.set_bits(7..=11, 0x1f); + assert_eq!(test_array, [0xb0, 0x8f, 0x0a]); +} + +#[test] +fn test_get_bits_array() { + let mut test_val = [0xf0u8]; + assert_eq!(test_val.get_bits(0..4), 0x0u8); + + test_val = [0xfau8]; + assert_eq!(test_val.get_bits(0..4), 0xau8); + + test_val = [0xaau8]; + assert_eq!(test_val.get_bits(4..8), 0xau8); + + let mut test_array: [u8; 3] = [0xff, 0x01, 0xff]; + assert_eq!(test_array.get_bits(7..9), 0b11u8); + + test_array = [0x7f, 0xa1, 0xfa]; + assert_eq!(test_array.get_bits(12..20), 0xaa); + + test_array = [0x7f, 0xa1, 0xaa]; + assert_eq!(test_array.get_bits(16..24), 0xaa); + + test_array = [0x3f, 0x80, 0xaa]; + assert_eq!(test_array.get_bits(6..14), 0x00); +} |