org.scalatest.matchers.dsl.ResultOfBeThrownBy.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of scalatest-app_3 Show documentation

scalatest-app

The newest version!

/*
 * Copyright 2001-2013 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.scalatest.matchers.dsl

/**
 * This class is part of the ScalaTest matchers DSL. Please see the documentation for Matchers for an overview of
 * the matchers DSL.
 *
 * @author Bill Venners
 * @author Chee Seng
 */
final class ResultOfBeThrownBy(codeList: IndexedSeq[() => Unit]) {

  final class ResultOfAndBeWord {

infix def thrownBy(code: => Unit) =
      new ResultOfBeThrownBy(codeList :+ (() => code))

  }

  /**
   * This method enables the following syntax:
   *
   *    * a[Exception] should (be thrownBy { "hi".charAt(-1) } and thrownBy { "ha".charAt(3) })
   *                         ^
   * 
   */
infix def and(beWord: BeWord) =
    new ResultOfAndBeWord

  private[scalatest] lazy val throwables: IndexedSeq[Option[Throwable]] =
    codeList.map { code =>
      try {
        code()
        None
      }
      catch {
        case t: Throwable => Some(t)
      }
    }
}