chromium/third_party/protobuf/java/kotlin/src/test/kotlin/com/google/protobuf/AniesTest.kt

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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package com.google.protobuf.kotlin

import com.google.common.truth.Truth.assertThat
import com.google.protobuf.Any as ProtoAny
import com.google.protobuf.InvalidProtocolBufferException
import protobuf_unittest.UnittestProto.BoolMessage
import protobuf_unittest.UnittestProto.Int32Message
import protobuf_unittest.int32Message
import kotlin.test.assertFailsWith
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4

/** Tests for extension methods on [ProtoAny]. */
@RunWith(JUnit4::class)
class AniesTest {
  companion object {
    val anAny = ProtoAny.pack(int32Message { data = 5 })
  }

  @Test
  fun isA_Positive() {
    assertThat(anAny.isA<Int32Message>()).isTrue()
  }

  @Test
  fun isA_Negative() {
    assertThat(anAny.isA<BoolMessage>()).isFalse()
  }

  @Test
  fun unpackValid() {
    assertThat(anAny.unpack<Int32Message>().data).isEqualTo(5)
  }

  @Test
  fun unpackInvalid() {
    assertFailsWith<InvalidProtocolBufferException> { anAny.unpack<BoolMessage>() }
  }
}