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update smart rw locker tests

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InsanusMokrassar 2023-09-01 20:11:04 +06:00
parent 6d3ca565ca
commit c058e18408
1 changed files with 98 additions and 7 deletions
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105
coroutines/src/commonTest/kotlin/SmartRWLockerTests.kt
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@ -1,10 +1,6 @@
import dev.inmo.micro_utils.coroutines.SmartRWLocker import dev.inmo.micro_utils.coroutines.*
import dev.inmo.micro_utils.coroutines.withReadAcquire import kotlinx.coroutines.*
import dev.inmo.micro_utils.coroutines.withWriteLock import kotlinx.coroutines.flow.first
import kotlinx.coroutines.CoroutineStart
import kotlinx.coroutines.delay
import kotlinx.coroutines.joinAll
import kotlinx.coroutines.launch
import kotlinx.coroutines.sync.Mutex import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.test.runTest import kotlinx.coroutines.test.runTest
@ -57,4 +53,99 @@ class SmartRWLockerTests {
assertEquals(expected = readAndWriteWorkers, actual = doneWrites) assertEquals(expected = readAndWriteWorkers, actual = doneWrites)
} }
} }
@Test
fun simpleWithWriteLockTest() {
val locker = SmartRWLocker()
runTest {
locker.withWriteLock {
assertEquals(0, locker.readSemaphore.freePermits)
assertEquals(true, locker.writeMutex.isLocked)
}
assertEquals(Int.MAX_VALUE, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
}
}
@Test
fun failureWithWriteLockTest() {
val locker = SmartRWLocker()
val exception = IllegalArgumentException()
try {
runTest {
val subscope = kotlinx.coroutines.CoroutineScope(this.coroutineContext)
var happenException: Throwable? = null
try {
locker.withWriteLock {
val checkFunction = fun (): Deferred<Unit> {
return subscope.async {
assertEquals(0, locker.readSemaphore.freePermits)
assertEquals(true, locker.writeMutex.isLocked)
throw exception
}
}
doInDefault {
assertEquals(0, locker.readSemaphore.freePermits)
assertEquals(true, locker.writeMutex.isLocked)
checkFunction().await()
}
}
} catch (e: Exception) {
happenException = e
}
if (exception != happenException) {
assertEquals(exception, happenException ?.cause)
}
assertEquals(Int.MAX_VALUE, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
}
} catch (e: Exception) {
assertEquals(exception, e)
}
}
@Test
fun simpleWithReadAcquireTest() {
val locker = SmartRWLocker()
runTest {
locker.withReadAcquire {
assertEquals(Int.MAX_VALUE - 1, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
locker.withReadAcquire {
assertEquals(Int.MAX_VALUE - 2, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
}
}
assertEquals(Int.MAX_VALUE, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
}
}
@Test
fun simple2WithWriteLockTest() {
val locker = SmartRWLocker()
val unlockDelay = 1000L // 1 sec
var unlocked: Boolean = false
runTest {
launch {
locker.withReadAcquire {
delay(unlockDelay)
}
unlocked = true
}
locker.readSemaphore.permitsStateFlow.first { it == Int.MAX_VALUE - 1 }
assertEquals(false, unlocked)
locker.withWriteLock {
assertEquals(true, unlocked)
assertEquals(0, locker.readSemaphore.freePermits)
assertEquals(true, locker.writeMutex.isLocked)
}
assertEquals(Int.MAX_VALUE, locker.readSemaphore.freePermits)
assertEquals(false, locker.writeMutex.isLocked)
}
}
} }