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Diffstat (limited to 'tests/stdlib/tparseutils.nim')
| -rw-r--r-- | tests/stdlib/tparseutils.nim | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/tests/stdlib/tparseutils.nim b/tests/stdlib/tparseutils.nim new file mode 100644 index 000000000..b69900864 --- /dev/null +++ b/tests/stdlib/tparseutils.nim @@ -0,0 +1,112 @@ +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 + discard parseBiggestInt("9223372036854775807", i64Value) + doAssert i64Value == 9223372036854775807 + + block: + var f: float + 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 |