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Diffstat (limited to 'tests/stdlib/tbitops2.nim')
-rw-r--r-- | tests/stdlib/tbitops2.nim | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/tests/stdlib/tbitops2.nim b/tests/stdlib/tbitops2.nim deleted file mode 100644 index e8c7318be..000000000 --- a/tests/stdlib/tbitops2.nim +++ /dev/null @@ -1,167 +0,0 @@ -discard """ - output: "OK" -""" -import bitops - - -proc main() = - const U8 = 0b0011_0010'u8 - const I8 = 0b0011_0010'i8 - const U16 = 0b00100111_00101000'u16 - const I16 = 0b00100111_00101000'i16 - const U32 = 0b11010101_10011100_11011010_01010000'u32 - const I32 = 0b11010101_10011100_11011010_01010000'i32 - const U64A = 0b01000100_00111111_01111100_10001010_10011001_01001000_01111010_00010001'u64 - const I64A = 0b01000100_00111111_01111100_10001010_10011001_01001000_01111010_00010001'i64 - const U64B = 0b00110010_11011101_10001111_00101000_00000000_00000000_00000000_00000000'u64 - const I64B = 0b00110010_11011101_10001111_00101000_00000000_00000000_00000000_00000000'i64 - - doAssert( U64A.fastLog2 == 62) - doAssert( I64A.fastLog2 == 62) - doAssert( U64A.countLeadingZeroBits == 1) - doAssert( I64A.countLeadingZeroBits == 1) - doAssert( U64A.countTrailingZeroBits == 0) - doAssert( I64A.countTrailingZeroBits == 0) - doAssert( U64A.firstSetBit == 1) - doAssert( I64A.firstSetBit == 1) - doAssert( U64A.parityBits == 1) - doAssert( I64A.parityBits == 1) - doAssert( U64A.countSetBits == 29) - doAssert( I64A.countSetBits == 29) - doAssert( U64A.rotateLeftBits(37) == 0b00101001_00001111_01000010_00101000_10000111_11101111_10010001_01010011'u64) - doAssert( U64A.rotateRightBits(37) == 0b01010100_11001010_01000011_11010000_10001010_00100001_11111011_11100100'u64) - - doAssert( U64B.firstSetBit == 36) - doAssert( I64B.firstSetBit == 36) - - doAssert( U32.fastLog2 == 31) - doAssert( I32.fastLog2 == 31) - doAssert( U32.countLeadingZeroBits == 0) - doAssert( I32.countLeadingZeroBits == 0) - doAssert( U32.countTrailingZeroBits == 4) - doAssert( I32.countTrailingZeroBits == 4) - doAssert( U32.firstSetBit == 5) - doAssert( I32.firstSetBit == 5) - doAssert( U32.parityBits == 0) - doAssert( I32.parityBits == 0) - doAssert( U32.countSetBits == 16) - doAssert( I32.countSetBits == 16) - doAssert( U32.rotateLeftBits(21) == 0b01001010_00011010_10110011_10011011'u32) - doAssert( U32.rotateRightBits(21) == 0b11100110_11010010_10000110_10101100'u32) - - doAssert( U16.fastLog2 == 13) - doAssert( I16.fastLog2 == 13) - doAssert( U16.countLeadingZeroBits == 2) - doAssert( I16.countLeadingZeroBits == 2) - doAssert( U16.countTrailingZeroBits == 3) - doAssert( I16.countTrailingZeroBits == 3) - doAssert( U16.firstSetBit == 4) - doAssert( I16.firstSetBit == 4) - doAssert( U16.parityBits == 0) - doAssert( I16.parityBits == 0) - doAssert( U16.countSetBits == 6) - doAssert( I16.countSetBits == 6) - doAssert( U16.rotateLeftBits(12) == 0b10000010_01110010'u16) - doAssert( U16.rotateRightBits(12) == 0b01110010_10000010'u16) - - doAssert( U8.fastLog2 == 5) - doAssert( I8.fastLog2 == 5) - doAssert( U8.countLeadingZeroBits == 2) - doAssert( I8.countLeadingZeroBits == 2) - doAssert( U8.countTrailingZeroBits == 1) - doAssert( I8.countTrailingZeroBits == 1) - doAssert( U8.firstSetBit == 2) - doAssert( I8.firstSetBit == 2) - doAssert( U8.parityBits == 1) - doAssert( I8.parityBits == 1) - doAssert( U8.countSetBits == 3) - doAssert( I8.countSetBits == 3) - doAssert( U8.rotateLeftBits(3) == 0b10010001'u8) - doAssert( U8.rotateRightBits(3) == 0b0100_0110'u8) - - static : - # test bitopts at compile time with vm - doAssert( U8.fastLog2 == 5) - doAssert( I8.fastLog2 == 5) - doAssert( U8.countLeadingZeroBits == 2) - doAssert( I8.countLeadingZeroBits == 2) - doAssert( U8.countTrailingZeroBits == 1) - doAssert( I8.countTrailingZeroBits == 1) - doAssert( U8.firstSetBit == 2) - doAssert( I8.firstSetBit == 2) - doAssert( U8.parityBits == 1) - doAssert( I8.parityBits == 1) - doAssert( U8.countSetBits == 3) - doAssert( I8.countSetBits == 3) - doAssert( U8.rotateLeftBits(3) == 0b10010001'u8) - doAssert( U8.rotateRightBits(3) == 0b0100_0110'u8) - - - - template test_undefined_impl(ffunc: untyped; expected: int; is_static: bool) = - doAssert( ffunc(0'u8) == expected) - doAssert( ffunc(0'i8) == expected) - doAssert( ffunc(0'u16) == expected) - doAssert( ffunc(0'i16) == expected) - doAssert( ffunc(0'u32) == expected) - doAssert( ffunc(0'i32) == expected) - doAssert( ffunc(0'u64) == expected) - doAssert( ffunc(0'i64) == expected) - - template test_undefined(ffunc: untyped; expected: int) = - test_undefined_impl(ffunc, expected, false) - static: - test_undefined_impl(ffunc, expected, true) - - when defined(noUndefinedBitOpts): - # check for undefined behavior with zero. - test_undefined(countSetBits, 0) - test_undefined(parityBits, 0) - test_undefined(firstSetBit, 0) - test_undefined(countLeadingZeroBits, 0) - test_undefined(countTrailingZeroBits, 0) - test_undefined(fastLog2, -1) - - # check for undefined behavior with rotate by zero. - doAssert( U8.rotateLeftBits(0) == U8) - doAssert( U8.rotateRightBits(0) == U8) - doAssert( U16.rotateLeftBits(0) == U16) - doAssert( U16.rotateRightBits(0) == U16) - doAssert( U32.rotateLeftBits(0) == U32) - doAssert( U32.rotateRightBits(0) == U32) - doAssert( U64A.rotateLeftBits(0) == U64A) - doAssert( U64A.rotateRightBits(0) == U64A) - - # check for undefined behavior with rotate by integer width. - doAssert( U8.rotateLeftBits(8) == U8) - doAssert( U8.rotateRightBits(8) == U8) - doAssert( U16.rotateLeftBits(16) == U16) - doAssert( U16.rotateRightBits(16) == U16) - doAssert( U32.rotateLeftBits(32) == U32) - doAssert( U32.rotateRightBits(32) == U32) - doAssert( U64A.rotateLeftBits(64) == U64A) - doAssert( U64A.rotateRightBits(64) == U64A) - - static: # check for undefined behavior with rotate by zero. - doAssert( U8.rotateLeftBits(0) == U8) - doAssert( U8.rotateRightBits(0) == U8) - doAssert( U16.rotateLeftBits(0) == U16) - doAssert( U16.rotateRightBits(0) == U16) - doAssert( U32.rotateLeftBits(0) == U32) - doAssert( U32.rotateRightBits(0) == U32) - doAssert( U64A.rotateLeftBits(0) == U64A) - doAssert( U64A.rotateRightBits(0) == U64A) - - # check for undefined behavior with rotate by integer width. - doAssert( U8.rotateLeftBits(8) == U8) - doAssert( U8.rotateRightBits(8) == U8) - doAssert( U16.rotateLeftBits(16) == U16) - doAssert( U16.rotateRightBits(16) == U16) - doAssert( U32.rotateLeftBits(32) == U32) - doAssert( U32.rotateRightBits(32) == U32) - doAssert( U64A.rotateLeftBits(64) == U64A) - doAssert( U64A.rotateRightBits(64) == U64A) - - echo "OK" - -main() |