| /* |
| * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| @file:Suppress("unused") |
| package kotlinx.coroutines.linearizability |
| |
| import kotlinx.coroutines.* |
| import kotlinx.coroutines.sync.* |
| import org.jetbrains.kotlinx.lincheck.annotations.Operation |
| import org.jetbrains.kotlinx.lincheck.verifier.* |
| import org.junit.* |
| |
| abstract class SemaphoreLCStressTestBase(permits: Int) : VerifierState() { |
| private val semaphore = Semaphore(permits) |
| |
| @Operation |
| fun tryAcquire() = semaphore.tryAcquire() |
| |
| @Operation |
| suspend fun acquire() = semaphore.acquire() |
| |
| @Operation(handleExceptionsAsResult = [IllegalStateException::class]) |
| fun release() = semaphore.release() |
| |
| @Test |
| fun test() = LCStressOptionsDefault() |
| .actorsBefore(0) |
| .check(this::class) |
| |
| override fun extractState() = semaphore.availablePermits |
| } |
| |
| class Semaphore1LCStressTest : SemaphoreLCStressTestBase(1) |
| class Semaphore2LCStressTest : SemaphoreLCStressTestBase(2) |