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82 lines
1.4 KiB
Nim
82 lines
1.4 KiB
Nim
# Tests unsigned literals and implicit conversion between uints and ints
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var h8:uint8 = 128
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var h16:uint16 = 32768
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var h32:uint32 = 2147483648'u32
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var h64:uint64 = 9223372036854775808'u64
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var foobar:uint64 = 9223372036854775813'u64 # Issue 728
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var v8:uint8 = 10
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var v16:uint16 = 10
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var v32:uint32 = 10
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var v64:uint64 = 10
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# u8 + literal produces u8:
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var a8: uint8 = v8 + 10
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var a16: uint16 = v16 + 10
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when false:
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var d8 = v8 + 10'i8
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var d16 = v8 + 10'i16
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var d32 = v8 + 10'i32
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when false:
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# these don't work yet because unsigned.nim is stupid. XXX We need to fix this.
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var f8 = v16 + 10'u8
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var f16 = v16 + 10'u16
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var f32 = v16 + 10'u32
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var g8 = v32 + 10'u8
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var g16 = v32 + 10'u16
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var g32 = v32 + 10'u32
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var ar: array[0..20, int]
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var n8 = ar[v8]
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var n16 = ar[v16]
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var n32 = ar[v32]
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var n64 = ar[v64]
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block t4176:
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var yyy: uint8 = 0
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yyy = yyy - 127
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doAssert type(yyy) is uint8
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# bug #13661
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proc fun(): uint = cast[uint](-1)
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const x0 = fun()
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doAssert typeof(x0) is uint
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discard $x0
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# bug #13671
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const x1 = cast[uint](-1)
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discard $(x1,)
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# bug #13698
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let n: csize = 1 # xxx should that be csize_t or is that essential here?
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doAssert $n.int32 == "1"
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# bug #14616
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let limit = 1'u64
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let rangeVar = 0'u64 ..< limit
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doAssert repr(rangeVar) == """[a = 0,
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b = 0]"""
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# bug #15210
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let a3 = not 0'u64
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var success = false
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try:
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discard a3.int64
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except RangeDefect:
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success = true
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doAssert success, "conversion should fail at runtime"
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