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|
discard """
matrix: "--mm:refc; --mm:orc; --backend:cpp; --backend:js --jsbigint64:off -d:nimStringHash2; --backend:js --jsbigint64:on"
"""
#[
if https://github.com/nim-lang/Nim/pull/14043 is merged (or at least its
tests/system/tostring.nim diff subset), merge
tests/system/tostring.nim into this file, named after dollars.nim
The goal is to increase test coverage across backends while minimizing test code
duplication (which always results in weaker test coverage in practice).
]#
import std/unittest
import std/private/jsutils
template test[T](a: T, expected: string) =
check $a == expected
var b = a
check $b == expected
static:
doAssert $a == expected
template testType(T: typedesc) =
when T is bool:
test true, "true"
test false, "false"
elif T is char:
test char, "\0"
test char.high, static($T.high)
else:
test T.default, "0"
test 1.T, "1"
test T.low, static($T.low)
test T.high, static($T.high)
block: # `$`(SomeInteger)
# direct tests
check $0'u8 == "0"
check $255'u8 == "255"
check $(-127'i8) == "-127"
# known limitation: Error: number out of range: '128'i8',
# see https://github.com/timotheecour/Nim/issues/125
# check $(-128'i8) == "-128"
check $int8.low == "-128"
check $int8(-128) == "-128"
check $cast[int8](-128) == "-128"
var a = 12345'u16
check $a == "12345"
check $12345678'u64 == "12345678"
check $12345678'i64 == "12345678"
check $(-12345678'i64) == "-12345678"
# systematic tests
testType uint8
testType uint16
testType uint32
testType uint
testType int8
testType int16
testType int32
testType int
testType bool
whenJsNoBigInt64: discard
do:
testType uint64
testType int64
testType BiggestInt
block: # #14350, #16674, #16686 for JS
var cstr: cstring
doAssert cstr == cstring(nil)
doAssert cstr == nil
doAssert cstr.isNil
doAssert cstr != cstring("")
doAssert cstr.len == 0
when defined(js):
cstr.add(cstring("abc"))
doAssert cstr == cstring("abc")
var nil1, nil2: cstring = nil
nil1.add(nil2)
doAssert nil1 == cstring(nil)
doAssert nil2 == cstring(nil)
nil1.add(cstring(""))
doAssert nil1 == cstring("")
doAssert nil2 == cstring(nil)
nil1.add(nil2)
doAssert nil1 == cstring("")
doAssert nil2 == cstring(nil)
nil2.add(nil1)
doAssert nil1 == cstring("")
doAssert nil2 == cstring("")
block:
when defined(js): # bug #18591
let a1 = -1'i8
let a2 = uint8(a1)
# if `uint8(a1)` changes meaning to `cast[uint8](a1)` in future, update this test;
# until then, this is the correct semantics.
let a3 = $a2
doAssert a2 == 255'u8
doAssert a3 == "255"
proc intToStr(a: uint8): cstring {.importjs: "(# + \"\")".}
doAssert $intToStr(a2) == "255"
else:
block:
let x = -1'i8
let y = uint32(x)
doAssert $y == "4294967295"
block:
let x = -1'i16
let y = uint32(x)
doAssert $y == "4294967295"
block:
let x = -1'i32
let y = uint32(x)
doAssert $y == "4294967295"
block:
proc foo1(arg: int): string =
let x = uint32(arg)
$x
doAssert $foo1(-1) == "4294967295"
block:
let x = 4294967295'u32
doAssert $x == "4294967295"
block:
doAssert $(4294967295'u32) == "4294967295"
proc main()=
block:
let a = -0.0
doAssert $a == "-0.0"
doAssert $(-0.0) == "-0.0"
block:
let a = 0.0
doAssert $a == "0.0"
doAssert $(0.0) == "0.0"
block:
let b = -0
doAssert $b == "0"
doAssert $(-0) == "0"
block:
let b = 0
doAssert $b == "0"
doAssert $(0) == "0"
doAssert $uint32.high == "4294967295"
block: # addInt
var res = newStringOfCap(24)
template test2(a, b) =
res.setLen(0)
res.addInt a
doAssert res == b
for i in 0 .. 9:
res.addInt int64(i)
doAssert res == "0123456789"
res.setLen(0)
for i in -9 .. 0:
res.addInt int64(i)
doAssert res == "-9-8-7-6-5-4-3-2-10"
whenJsNoBigInt64: discard
do:
test2 high(int64), "9223372036854775807"
test2 low(int64), "-9223372036854775808"
test2 high(int32), "2147483647"
test2 low(int32), "-2147483648"
test2 high(int16), "32767"
test2 low(int16), "-32768"
test2 high(int8), "127"
test2 low(int8), "-128"
block:
const
a: array[3, char] = ['N', 'i', 'm']
aStr = $(a)
doAssert aStr == """['N', 'i', 'm']"""
static: main()
main()
|
