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/*
 * Scala (https://www.scala-lang.org)
 *
 * Copyright EPFL and Lightbend, Inc.
 *
 * Licensed under Apache License 2.0
 * (http://www.apache.org/licenses/LICENSE-2.0).
 *
 * See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 */

package verify

import scala.concurrent.{ ExecutionContext, Future }

trait BasicTestSuite extends AbstractTestSuite with Assertion {
  private[this] implicit lazy val ec: ExecutionContext = executionContext

  def test(name: String)(f: => Void): Unit =
    synchronized {
      if (isInitialized) throw initError()
      propertiesSeq = propertiesSeq :+ TestSpec.sync[Unit](name, _ => f)
    }

  def testAsync(name: String)(f: => Future[Unit]): Unit =
    synchronized {
      if (isInitialized) throw initError()
      propertiesSeq = propertiesSeq :+ TestSpec.async[Unit](name, _ => f)
    }

  lazy val properties: Properties[_] =
    synchronized {
      if (!isInitialized) isInitialized = true
      Properties[Unit](() => (), _ => Void.UnitRef, () => (), () => (), propertiesSeq)
    }

  def executionContext: ExecutionContext = verify.platform.defaultExecutionContext

  private[this] var propertiesSeq = Seq.empty[TestSpec[Unit, Unit]]
  private[this] var isInitialized = false

  private[this] def initError() =
    new AssertionError(
      "Cannot define new tests after BasicTestSuite was initialized"
    )
}