mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-29 09:24:36 +00:00
b97d603cd0
* clean up some test categories * mention exact slice issue * magics into system * move trangechecks into overflow * move tmemory to system * try fix CI * try fix CI * final CI fix
188 lines
4.1 KiB
Nim
188 lines
4.1 KiB
Nim
discard """
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output: '''
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int32
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int32
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1280
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1280
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3
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1
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2
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2
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3
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4294967295
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2
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0
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tUnsignedOps OK
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'''
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nimout: "tUnsignedOps OK"
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"""
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import typetraits
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block tand:
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# bug #5216
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echo(name typeof((0x0A'i8 and 0x7F'i32) shl 7'i32))
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let i8 = 0x0A'i8
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echo(name typeof((i8 and 0x7F'i32) shl 7'i32))
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echo((0x0A'i8 and 0x7F'i32) shl 7'i32)
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let ii8 = 0x0A'i8
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echo((ii8 and 0x7F'i32) shl 7'i32)
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block tcast:
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template crossCheck(ty: untyped, exp: untyped) =
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let rt = ty(exp)
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const ct = ty(exp)
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if $rt != $ct:
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echo astToStr(exp)
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echo "Got ", ct
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echo "Expected ", rt
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template add1(x: uint8): untyped = x + 1
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template add1(x: uint16): untyped = x + 1
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template add1(x: uint32): untyped = x + 1
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template sub1(x: uint8): untyped = x - 1
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template sub1(x: uint16): untyped = x - 1
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template sub1(x: uint32): untyped = x - 1
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crossCheck(int8, 0'i16 - 5'i16)
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crossCheck(int16, 0'i32 - 5'i32)
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crossCheck(int32, 0'i64 - 5'i64)
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crossCheck(uint8, 0'u8 - 5'u8)
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crossCheck(uint16, 0'u16 - 5'u16)
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crossCheck(uint32, 0'u32 - 5'u32)
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crossCheck(uint64, 0'u64 - 5'u64)
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crossCheck(uint8, uint8.high + 5'u8)
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crossCheck(uint16, uint16.high + 5'u16)
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crossCheck(uint32, uint32.high + 5'u32)
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crossCheck(uint64, 0xFFFFFFFFFFFFFFFF'u64 + 5'u64)
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crossCheck(uint64, uint64.high + 5'u64)
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doAssert $sub1(0'u8) == "255"
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doAssert $sub1(0'u16) == "65535"
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doAssert $sub1(0'u32) == "4294967295"
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doAssert $add1(255'u8) == "0"
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doAssert $add1(65535'u16) == "0"
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doAssert $add1(4294967295'u32) == "0"
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crossCheck(int32, high(int32))
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crossCheck(int32, high(int32).int32)
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crossCheck(int32, low(int32))
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crossCheck(int32, low(int32).int32)
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crossCheck(int64, high(int8).int16.int32.int64)
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crossCheck(int64, low(int8).int16.int32.int64)
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doAssert not compiles(echo int64(0xFFFFFFFFFFFFFFFF'u64))
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doAssert not compiles(echo int32(0xFFFFFFFFFFFFFFFF'u64))
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doAssert not compiles(echo int16(0xFFFFFFFFFFFFFFFF'u64))
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doAssert not compiles(echo int8(0xFFFFFFFFFFFFFFFF'u64))
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block tnot:
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# Signed types
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block:
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const t0: int8 = not 4
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const t1: int16 = not 4
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const t2: int32 = not 4
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const t3: int64 = not 4
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const t4: int8 = not -5
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const t5: int16 = not -5
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const t6: int32 = not -5
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const t7: int64 = not -5
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doAssert t0 == -5
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doAssert t1 == -5
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doAssert t2 == -5
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doAssert t3 == -5
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doAssert t4 == 4
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doAssert t5 == 4
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doAssert t6 == 4
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doAssert t7 == 4
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# Unsigned types
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block:
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const t0: uint8 = not 4'u8
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const t1: uint16 = not 4'u16
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const t2: uint32 = not 4'u32
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const t3: uint64 = not 4'u64
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const t4: uint8 = not 251'u8
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const t5: uint16 = not 65531'u16
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const t6: uint32 = not 4294967291'u32
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const t7: uint64 = not 18446744073709551611'u64
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doAssert t0 == 251
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doAssert t1 == 65531
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doAssert t2 == 4294967291'u32
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doAssert t3 == 18446744073709551611'u64
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doAssert t4 == 4
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doAssert t5 == 4
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doAssert t6 == 4
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doAssert t7 == 4
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block tshr:
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proc T() =
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# let VI = -8
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let VI64 = -8'i64
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let VI32 = -8'i32
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let VI16 = -8'i16
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let VI8 = -8'i8
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# doAssert( (VI shr 1) == 9_223_372_036_854_775_804, "Actual: " & $(VI shr 1))
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doAssert( (VI64 shr 1) == -4, "Actual: " & $(VI64 shr 1))
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doAssert( (VI32 shr 1) == -4, "Actual: " & $(VI32 shr 1))
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doAssert( (VI16 shr 1) == -4, "Actual: " & $(VI16 shr 1))
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doAssert( (VI8 shr 1) == -4, "Actual: " & $(VI8 shr 1))
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T()
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static:
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T()
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block tsubrange:
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# bug #5854
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type
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n16 = range[0'i16..high(int16)]
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var level: n16 = 1
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let maxLevel: n16 = 1
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level = min(level + 2, maxLevel).n16
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doAssert level == 1
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block tissue12177:
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var a: uint16 = 1
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var b: uint32 = 2
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echo(b + a)
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echo(b - a)
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echo(b * a)
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echo(b div a)
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echo(a + b)
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echo(a - b)
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echo(a * b)
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echo(a div b)
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block tUnsignedOps:
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proc testUnsignedOps() =
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let a: int8 = -128
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let b: int8 = 127
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doAssert b +% 1 == -128
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doAssert b -% -1 == -128
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doAssert b *% 2 == -2
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doAssert a /% 4 == 32
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doAssert a %% 7 == 2
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echo "tUnsignedOps OK"
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testUnsignedOps()
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static:
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testUnsignedOps()
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