Files
Nim/tests/stdlib/tlists.nim
flywind e996d98a8a fix #16384 and #17144 (#17126) [backport]
(cherry picked from commit 6391f6e861)
2021-03-18 14:08:54 +01:00

89 lines
1.8 KiB
Nim

discard """
targets: "c js"
"""
import std/[lists, sequtils]
const
data = [1, 2, 3, 4, 5, 6]
template main =
block SinglyLinkedListTest1:
var L: SinglyLinkedList[int]
for d in items(data): L.prepend(d)
for d in items(data): L.append(d)
doAssert($L == "[6, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 6]")
doAssert(4 in L)
block SinglyLinkedListTest2:
var L: SinglyLinkedList[string]
for d in items(data): L.prepend($d)
doAssert($L == """["6", "5", "4", "3", "2", "1"]""")
doAssert("4" in L)
block DoublyLinkedListTest1:
var L: DoublyLinkedList[int]
for d in items(data): L.prepend(d)
for d in items(data): L.append(d)
L.remove(L.find(1))
doAssert($L == "[6, 5, 4, 3, 2, 1, 2, 3, 4, 5, 6]")
doAssert(4 in L)
block SinglyLinkedRingTest1:
var L: SinglyLinkedRing[int]
L.prepend(4)
doAssert($L == "[4]")
L.prepend(4)
doAssert($L == "[4, 4]")
doAssert(4 in L)
block DoublyLinkedRingTest1:
var L: DoublyLinkedRing[int]
L.prepend(4)
doAssert($L == "[4]")
L.prepend(4)
doAssert($L == "[4, 4]")
doAssert(4 in L)
L.append(3)
L.append(5)
doAssert($L == "[4, 4, 3, 5]")
L.remove(L.find(3))
L.remove(L.find(5))
L.remove(L.find(4))
L.remove(L.find(4))
doAssert($L == "[]")
doAssert(4 notin L)
block tlistsToString:
block:
var l = initDoublyLinkedList[int]()
l.append(1)
l.append(2)
l.append(3)
doAssert $l == "[1, 2, 3]"
block:
var l = initDoublyLinkedList[string]()
l.append("1")
l.append("2")
l.append("3")
doAssert $l == """["1", "2", "3"]"""
block:
var l = initDoublyLinkedList[char]()
l.append('1')
l.append('2')
l.append('3')
doAssert $l == """['1', '2', '3']"""
static: main()
main()