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/*
 * Copyright 2001-2018 Artima, Inc.
 *
 * 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 org.scalactic

private[org] object ArrayHelper {

  // The following code is taken from: https://github.com/scala/scala/blob/86e75db7f36bcafdd75302f2c2cca0c68413214d/src/partest/scala/tools/partest/Util.scala
  def prettyArray(a: Array[_]): collection.IndexedSeq[Any] = new collection.AbstractSeq[Any] with collection.IndexedSeq[Any] {
    def length = a.length

    def apply(idx: Int): Any = a(idx) match {
      case x: AnyRef if x.getClass.isArray => prettyArray(x.asInstanceOf[Array[_]])
      case x => x
    }

    override def className = "Array"
  }

  def deep[T](a: Array[T]): collection.IndexedSeq[Any] = prettyArray(a)

  def isArrayOps(obj: Any): Boolean = obj.isInstanceOf[scala.collection.ArrayOps[_]]

  def asArrayOps(obj: Any): scala.collection.ArrayOps[_] = obj.asInstanceOf[scala.collection.ArrayOps[_]]

  def arrayOpsOfInt(a: Array[Int]): scala.collection.ArrayOps[Int] = new scala.collection.ArrayOps(a)
}