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/*
 * Copyright 2013 Bruno Bieth
 *
 * 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.backuity.matchete


trait FailureReporter {

  // useful for combining matchers, see Matcher.or
  implicit val failureReporter : FailureReporter = this

  def fail(msg: String) : Nothing
  final def failIf(expr: Boolean, msg: => String) {
    if(expr) fail(msg)
  }
  def failIfDifferentStrings(actual: String, expected: String, msg: String) {
    if( actual != expected ) fail(msg)
  }
}

trait FailureReporterDelegate extends FailureReporter {
  // implicit make it useful for combining matchers, see Matcher.or
  protected val failureReporterDelegate: FailureReporter

  def fail(msg: String) : Nothing = failureReporterDelegate.fail(msg)
  override def failIfDifferentStrings(actual: String, expected: String, msg: String) {
    failureReporterDelegate.failIfDifferentStrings(actual, expected, msg)
  }
}