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- discard """
- matrix: "--mm:refc; --mm:orc"
- targets: "c cpp"
- """
- import std/[parseutils, sequtils, sugar, formatfloat]
- import std/assertions
- proc test() =
- let input = "$test{} $this is ${an{ example}} "
- let expected = @[(ikVar, "test"), (ikStr, "{} "), (ikVar, "this"),
- (ikStr, " is "), (ikExpr, "an{ example}"), (ikStr, " ")]
- doAssert toSeq(interpolatedFragments(input)) == expected
- var value = 0
- discard parseHex("0x38", value)
- doAssert value == 56
- value = -1
- doAssert(parseSaturatedNatural("848", value) == 3)
- doAssert value == 848
- value = -1
- discard parseSaturatedNatural("84899999999999999999324234243143142342135435342532453", value)
- doAssert value == high(int)
- value = -1
- discard parseSaturatedNatural("9223372036854775808", value)
- doAssert value == high(int)
- value = -1
- discard parseSaturatedNatural("9223372036854775807", value)
- doAssert value == high(int)
- value = -1
- discard parseSaturatedNatural("18446744073709551616", value)
- doAssert value == high(int)
- value = -1
- discard parseSaturatedNatural("18446744073709551615", value)
- doAssert value == high(int)
- value = -1
- doAssert(parseSaturatedNatural("1_000_000", value) == 9)
- doAssert value == 1_000_000
- var i64Value: int64 = 0'i64
- discard parseBiggestInt("9223372036854775807", i64Value)
- doAssert i64Value == 9223372036854775807
- block:
- var f: float = 0.0
- let res = collect:
- for x in ["9.123456789012345+","11.123456789012345+","9.123456789012345-","8.123456789012345+","9.12345678901234-","9.123456789012345"]:
- (parseFloat(x, f, 0), $f)
- doAssert res == @[(17, "9.123456789012344"), (18, "11.123456789012344"),
- (17, "9.123456789012344"), (17, "8.123456789012344"),
- (16, "9.12345678901234"), (17, "9.123456789012344")]
- test()
- static: test()
- block: # With this included, static: test() crashes the compiler (from a
- # VM problem with parseSize calling parseFloat).
- var sz: int64
- template checkParseSize(s, expectLen, expectVal) =
- if (let got = parseSize(s, sz); got != expectLen):
- raise newException(IOError, "got len " & $got & " != " & $expectLen)
- if sz != expectVal:
- raise newException(IOError, "got sz " & $sz & " != " & $expectVal)
- # STRING LEN SZ
- # Good, complete parses
- checkParseSize "1 b" , 4, 1
- checkParseSize "1 B" , 4, 1
- checkParseSize "1k" , 2, 1000
- checkParseSize "1 kib" , 5, 1024
- checkParseSize "1 ki" , 4, 1024
- checkParseSize "1mi" , 3, 1048576
- checkParseSize "1 mi" , 4, 1048576
- checkParseSize "1 mib" , 5, 1048576
- checkParseSize "1 Mib" , 5, 1048576
- checkParseSize "1 MiB" , 5, 1048576
- checkParseSize "1.23GiB", 7, 1320702444 # 1320702443.52 rounded
- checkParseSize "0.001k" , 6, 1
- checkParseSize "0.0004k", 7, 0
- checkParseSize "0.0006k", 7, 1
- # Incomplete parses
- checkParseSize "1 " , 1, 1 # Trailing white IGNORED
- checkParseSize "1 B " , 4, 1 # Trailing white IGNORED
- checkParseSize "1 B/s" , 4, 1 # Trailing junk IGNORED
- checkParseSize "1 kX" , 3, 1000
- checkParseSize "1 kiX" , 4, 1024
- checkParseSize "1j" , 1, 1 # Unknown prefix IGNORED
- checkParseSize "1 jib" , 2, 1 # Unknown prefix post space
- checkParseSize "1 ji" , 3, 1
- # Bad parses; `sz` should stay last good|incomplete value
- checkParseSize "-1b" , 0, 1 # Negative numbers
- checkParseSize "abc" , 0, 1 # Non-numeric
- checkParseSize " 12" , 0, 1 # Leading white
- # Value Edge cases
- checkParseSize "9223372036854775807", 19, int64.high
- block: # bug #23936
- func parsePyFloat(
- a: openArray[char], # here must be openArray instead of string to reproduce this bug
- res: var BiggestFloat): int =
- result = parseFloat(a, res)
- static:
- var f = 0.0
- doAssert "1.0".parsePyFloat(f) == 3
- doAssert f == 1.0
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