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/*
 * Copyright (C) 2022 Square, 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 okio

import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue

class ForwardingSourceTest {
  val source = Buffer().writeUtf8("Delegate")

  @Test
  fun testForwardingSourceOverrides() {
    val forwarder = "Forwarder"
    val newSource = Buffer().writeUtf8(forwarder)
    val forwardingSource = object : ForwardingSource(source) {
      override fun read(sink: Buffer, byteCount: Long): Long {
        return newSource.read(sink, byteCount)
      }
    }

    assertEquals("Forwarder", forwardingSource.buffer().readUtf8())
  }

  @Test
  fun testForwardingSourceDelegates() {
    val forwardingSource = object : ForwardingSource(source) {
    }

    assertEquals("Delegate", forwardingSource.buffer().readUtf8())
  }

  @Test
  fun testToString() {
    val forwardingSource = object : ForwardingSource(source) {
    }

    assertTrue(forwardingSource.toString().endsWith("([text=Delegate])"))
  }
}