discard """ output: ''' 0 0 0 0 Success''' """ # Test the different integer operations var testNumber = 0 template test(opr, a, b, c: untyped): untyped = # test the expression at compile and runtime block: const constExpr = opr(a, b) when constExpr != c: {.error: "Test failed " & $constExpr & " " & $c.} inc(testNumber) #Echo("Test: " & $testNumber) var aa = a var bb = b var varExpr = opr(aa, bb) assert(varExpr == c) test(`+`, 12'i8, -13'i16, -1'i16) test(`shl`, 0b11, 0b100, 0b110000) when not defined(js): test(`shl`, 0b11'i32, 0b100'i64, 0b110000'i64) test(`shl`, 0b11'i32, 0b100'i32, 0b110000'i32) test(`or`, 0xf0f0'i16, 0x0d0d'i16, 0xfdfd'i16) test(`and`, 0xf0f0'i16, 0xfdfd'i16, 0xf0f0'i16) when not defined(js): test(`shr`, 0xffffffffffffffff'i64, 0x4'i64, 0xffffffffffffffff'i64) test(`shr`, 0xffff'i16, 0x4'i16, 0xffff'i16) test(`shr`, 0xff'i8, 0x4'i8, 0xff'i8) when not defined(js): test(`shr`, 0xffffffff'i64, 0x4'i64, 0x0fffffff'i64) test(`shr`, 0xffffffff'i32, 0x4'i32, 0xffffffff'i32) when not defined(js): test(`shl`, 0xffffffffffffffff'i64, 0x4'i64, 0xfffffffffffffff0'i64) test(`shl`, 0xffff'i16, 0x4'i16, 0xfff0'i16) test(`shl`, 0xff'i8, 0x4'i8, 0xf0'i8) when not defined(js): test(`shl`, 0xffffffff'i64, 0x4'i64, 0xffffffff0'i64) test(`shl`, 0xffffffff'i32, 0x4'i32, 0xfffffff0'i32) # bug #916 proc unc(a: float): float = return a echo int(unc(0.5)), " ", int(unc(-0.5)) echo int(0.5), " ", int(-0.5) block: # Casts to uint template testCast(fromValue: typed, toType: typed, expectedResult: typed) = let src = fromValue let dst = cast[toType](src) if dst != expectedResult: echo "Casting ", astToStr(fromValue), " to ", astToStr(toType), " = ", dst.int, " instead of ", astToStr(expectedResult) doAssert(dst == expectedResult) testCast(-1'i16, uint16, 0xffff'u16) testCast(0xffff'u16, int16, -1'i16) testCast(0xff'u16, uint8, 0xff'u8) testCast(0xffff'u16, uint8, 0xff'u8) testCast(-1'i16, uint32, 0xffffffff'u32) testCast(0xffffffff'u32, int32, -1) testCast(0xfffffffe'u32, int32, -2'i32) testCast(0xffffff'u32, int16, -1'i32) testCast(-5'i32, uint8, 251'u8) echo("Success") #OUT Success