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Mirai
Commits
97577244
Commit
97577244
authored
Dec 13, 2019
by
Him188
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LockFreeLinkedList fundamental
parent
2f228a55
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/LockFreeLinkedList.kt
...onMain/kotlin/net.mamoe.mirai/utils/LockFreeLinkedList.kt
+389
-0
mirai-core/src/jvmTest/kotlin/net/mamoe/mirai/utils/LockFreeLinkedListTest.kt
...st/kotlin/net/mamoe/mirai/utils/LockFreeLinkedListTest.kt
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/LockFreeLinkedList.kt
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mirai-core/src/jvmTest/kotlin/net/mamoe/mirai/utils/LockFreeLinkedListTest.kt
0 → 100644
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97577244
@
file
:
Suppress
(
"RemoveRedundantBackticks"
,
"NonAsciiCharacters"
)
package
net.mamoe.mirai.utils
import
kotlinx.coroutines.*
import
net.mamoe.mirai.test.shouldBeEqualTo
import
net.mamoe.mirai.test.shouldBeFalse
import
net.mamoe.mirai.test.shouldBeTrue
import
org.junit.Test
import
kotlin.system.exitProcess
import
kotlin.test.*
internal
class
LockFreeLinkedListTest
{
init
{
GlobalScope
.
launch
{
delay
(
5000
)
exitProcess
(-
100
)
}
}
@Test
fun
addAndGetSingleThreaded
()
{
val
list
=
LockFreeLinkedList
<
Int
>()
list
.
add
(
1
)
list
.
add
(
2
)
list
.
add
(
3
)
list
.
add
(
4
)
assertEquals
(
list
[
0
],
1
,
"Failed on list[0]"
)
assertEquals
(
list
[
1
],
2
,
"Failed on list[1]"
)
assertEquals
(
list
[
2
],
3
,
"Failed on list[2]"
)
assertEquals
(
list
[
3
],
4
,
"Failed on list[3]"
)
}
@Test
fun
addAndGetSingleConcurrent
()
{
val
list
=
LockFreeLinkedList
<
Int
>()
val
add
=
GlobalScope
.
async
{
list
.
concurrentAdd
(
1000
,
10
,
1
)
}
val
remove
=
GlobalScope
.
async
{
add
.
join
()
list
.
concurrentDo
(
100
,
10
)
{
remove
(
1
)
}
}
runBlocking
{
joinAll
(
add
,
remove
)
}
assertEquals
(
1000
*
10
-
100
*
10
,
list
.
size
)
}
@Test
fun
remove
()
{
val
list
=
LockFreeLinkedList
<
Int
>()
assertFalse
{
list
.
remove
(
1
)
}
assertEquals
(
0
,
list
.
size
)
list
.
add
(
1
)
assertTrue
{
list
.
remove
(
1
)
}
assertEquals
(
0
,
list
.
size
)
list
.
add
(
2
)
assertFalse
{
list
.
remove
(
1
)
}
assertEquals
(
1
,
list
.
size
)
}
@Test
fun
getSize
()
{
val
list
=
lockFreeLinkedListOf
(
1
,
2
,
3
,
4
,
5
)
assertEquals
(
5
,
list
.
size
)
val
list2
=
lockFreeLinkedListOf
<
Unit
>()
assertEquals
(
0
,
list2
.
size
)
}
@Test
fun
contains
()
{
val
list
=
lockFreeLinkedListOf
<
Int
>()
assertFalse
{
list
.
contains
(
0
)
}
list
.
add
(
0
)
assertTrue
{
list
.
contains
(
0
)
}
}
@Test
fun
containsAll
()
{
var
list
=
lockFreeLinkedListOf
(
1
,
2
,
3
)
assertTrue
{
list
.
containsAll
(
listOf
(
1
,
2
,
3
))
}
assertTrue
{
list
.
containsAll
(
listOf
())
}
list
=
lockFreeLinkedListOf
(
1
,
2
)
assertFalse
{
list
.
containsAll
(
listOf
(
1
,
2
,
3
))
}
list
=
lockFreeLinkedListOf
()
assertTrue
{
list
.
containsAll
(
listOf
())
}
assertFalse
{
list
.
containsAll
(
listOf
(
1
))
}
}
@Test
fun
indexOf
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
1
,
2
,
3
,
3
)
assertEquals
(
0
,
list
.
indexOf
(
1
))
assertEquals
(
2
,
list
.
indexOf
(
3
))
assertEquals
(-
1
,
list
.
indexOf
(
4
))
}
@Test
fun
isEmpty
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
()
list
.
isEmpty
().
shouldBeTrue
()
list
.
add
(
1
)
list
.
isEmpty
().
shouldBeFalse
()
}
@Test
fun
iterator
()
{
var
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
2
)
list
.
forEach
{
it
shouldBeEqualTo
2
}
list
=
lockFreeLinkedListOf
(
1
,
2
)
list
.
joinToString
{
it
.
toString
()
}
shouldBeEqualTo
"1, 2"
list
=
lockFreeLinkedListOf
(
1
,
2
)
val
iterator
=
list
.
iterator
()
iterator
.
remove
()
var
reached
=
false
for
(
i
in
iterator
)
{
i
shouldBeEqualTo
2
reached
=
true
}
reached
shouldBeEqualTo
true
list
.
joinToString
{
it
.
toString
()
}
shouldBeEqualTo
"2"
iterator
.
remove
()
assertFailsWith
<
NoSuchElementException
>
{
iterator
.
remove
()
}
}
@Test
fun
`lastIndexOf
of
exact
1
match
at
first`
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
2
,
1
)
list
.
lastIndexOf
(
2
)
shouldBeEqualTo
0
}
@Test
fun
`lastIndexOf
of
exact
1
match`
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
1
,
2
)
list
.
lastIndexOf
(
2
)
shouldBeEqualTo
1
}
@Test
fun
`lastIndexOf
of
multiply
matches`
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
1
,
2
,
2
)
list
.
lastIndexOf
(
2
)
shouldBeEqualTo
2
}
@Test
fun
`lastIndexOf
of
no
match`
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
2
)
list
.
lastIndexOf
(
3
)
shouldBeEqualTo
-
1
}
@Test
fun
`lastIndexOf
of
many
elements`
()
{
val
list
:
LockFreeLinkedList
<
Int
>
=
lockFreeLinkedListOf
(
1
,
4
,
2
,
3
,
4
,
5
)
list
.
lastIndexOf
(
4
)
shouldBeEqualTo
4
}
/*
companion object{
@JvmStatic
fun main(vararg args: String) {
LockFreeLinkedListTest().`lastIndexOf of many elements`()
}
}*/
@Test
fun
listIterator
()
{
}
@Test
fun
testListIterator
()
{
}
@Test
fun
subList
()
{
}
@Test
fun
testAdd
()
{
}
@Test
fun
addAll
()
{
}
@Test
fun
testAddAll
()
{
}
@Test
fun
clear
()
{
}
@Test
fun
removeAll
()
{
}
@Test
fun
removeAt
()
{
}
@Test
fun
retainAll
()
{
}
@Test
fun
set
()
{
}
}
internal
fun
withTimeoutBlocking
(
timeout
:
Long
=
500L
,
block
:
suspend
()
->
Unit
)
=
runBlocking
{
withTimeout
(
timeout
)
{
block
()
}
}
internal
suspend
fun
<
E
>
LockFreeLinkedList
<
E
>.
concurrentAdd
(
numberOfCoroutines
:
Int
,
timesOfAdd
:
Int
,
element
:
E
)
=
concurrentDo
(
numberOfCoroutines
,
timesOfAdd
)
{
add
(
element
)
}
internal
suspend
fun
<
E
:
LockFreeLinkedList
<
*
>>
E
.
concurrentDo
(
numberOfCoroutines
:
Int
,
timesOfAdd
:
Int
,
todo
:
E
.()
->
Unit
)
=
coroutineScope
{
repeat
(
numberOfCoroutines
)
{
launch
{
repeat
(
timesOfAdd
)
{
todo
()
}
}
}
}
\ No newline at end of file
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