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Parameters.scala
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Parameters.scala
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/*
* Copyright (c) 2017-2019 The Typelevel Cats-effect Project Developers
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cats.effect.laws.discipline
import cats.effect.internals.IOPlatform
/**
* Parameters that can be used for tweaking how the tests behave.
*
* @param stackSafeIterationsCount specifies the number of iterations
* necessary in loops meant to prove stack safety; needed
* because these tests can be very heavy
*
* @param allowNonTerminationLaws specifies if the laws that detect
* non-termination (e.g. `IO.never`) should be enabled or not.
* Default is `true`, however if the only way to detect non-termination
* is to block the thread with a timeout, then that makes tests
* really hard to evaluate, so it's best if they are disabled
*/
final case class Parameters(
stackSafeIterationsCount: Int,
allowNonTerminationLaws: Boolean)
object Parameters {
/** Default parameters. */
implicit val default: Parameters =
Parameters(
allowNonTerminationLaws = true,
stackSafeIterationsCount = {
if (IOPlatform.isJVM) 10000 else 100
})
}