Files
Nim/tests/stdlib/tstrbasics.nim
2021-02-24 10:22:47 +01:00

127 lines
3.0 KiB
Nim

discard """
targets: "c cpp js"
"""
import std/[strbasics, sugar]
proc teststrip() =
var a = " vhellov "
strip(a)
doAssert a == "vhellov"
a = " vhellov "
a.strip(leading = false)
doAssert a == " vhellov"
a = " vhellov "
a.strip(trailing = false)
doAssert a == "vhellov "
a.strip()
a.strip(chars = {'v'})
doAssert a == "hello"
a = " vhellov "
a.strip()
a.strip(leading = false, chars = {'v'})
doAssert a == "vhello"
var c = "blaXbla"
c.strip(chars = {'b', 'a'})
doAssert c == "laXbl"
c = "blaXbla"
c.strip(chars = {'b', 'a', 'l'})
doAssert c == "X"
block:
var a = "xxxxxx"
a.strip(chars={'x'})
doAssert a.len == 0
block:
var a = "x"
a.strip(chars={'x'})
doAssert a.len == 0
block:
var a = "x"
a.strip(chars={'1'})
doAssert a.len == 1
block:
var a = ""
a.strip(chars={'x'})
doAssert a.len == 0
block:
var a = "xxx xxx"
a.strip(chars={'x'})
doAssert a == " "
block:
var a = "xxx wind"
a.strip(chars={'x'})
doAssert a == " wind"
block:
var a = "xxx iii"
a.strip(chars={'i'})
doAssert a == "xxx "
block:
var a = "xxx iii"
doAssert a.dup(strip(chars = {'i'})) == "xxx "
doAssert a.dup(strip(chars = {' '})) == "xxx iii"
doAssert a.dup(strip(chars = {'x'})) == " iii"
doAssert a.dup(strip(chars = {'x', ' '})) == "iii"
doAssert a.dup(strip(chars = {'x', 'i'})) == " "
doAssert a.dup(strip(chars = {'x', 'i', ' '})).len == 0
block:
var a = "x i"
doAssert a.dup(strip(chars = {'i'})) == "x "
doAssert a.dup(strip(chars = {' '})) == "x i"
doAssert a.dup(strip(chars = {'x'})) == " i"
doAssert a.dup(strip(chars = {'x', ' '})) == "i"
doAssert a.dup(strip(chars = {'x', 'i'})) == " "
doAssert a.dup(strip(chars = {'x', 'i', ' '})).len == 0
block:
var a = ""
doAssert a.dup(strip(chars = {'i'})).len == 0
doAssert a.dup(strip(chars = {' '})).len == 0
doAssert a.dup(strip(chars = {'x'})).len == 0
doAssert a.dup(strip(chars = {'x', ' '})).len == 0
doAssert a.dup(strip(chars = {'x', 'i'})).len == 0
doAssert a.dup(strip(chars = {'x', 'i', ' '})).len == 0
block:
var a = " "
doAssert a.dup(strip(chars = {'i'})) == " "
doAssert a.dup(strip(chars = {' '})).len == 0
doAssert a.dup(strip(chars = {'x'})) == " "
doAssert a.dup(strip(chars = {'x', ' '})).len == 0
doAssert a.dup(strip(chars = {'x', 'i'})) == " "
doAssert a.dup(strip(chars = {'x', 'i', ' '})).len == 0
block:
var a = "Hello, Nim!"
doassert a.dup(setSlice(7 .. 9)) == "Nim"
doAssert a.dup(setSlice(0 .. 0)) == "H"
doAssert a.dup(setSlice(0 .. 1)) == "He"
doAssert a.dup(setSlice(0 .. 10)) == a
doAssert a.dup(setSlice(1 .. 0)).len == 0
doAssert a.dup(setSlice(20 .. -1)).len == 0
doAssertRaises(AssertionDefect):
discard a.dup(setSlice(-1 .. 1))
doAssertRaises(AssertionDefect):
discard a.dup(setSlice(1 .. 11))
static: teststrip()
teststrip()