// Copyright 2023 Google LLC
//
// 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 com.google.crypto.tink.hybrid;

import static com.google.common.truth.Truth.assertThat;

import com.google.crypto.tink.Key;
import com.google.crypto.tink.KeysetHandle;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.FromDataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;

@RunWith(Theories.class)
public final class PredefinedHybridParametersTest {
  @BeforeClass
  public static void setUp() throws Exception {
    HybridConfig.register();
  }

  @DataPoints("AllParameters")
  public static final HybridParameters[] TEMPLATES =
      new HybridParameters[] {
        PredefinedHybridParameters.ECIES_P256_HKDF_HMAC_SHA256_AES128_GCM,
        PredefinedHybridParameters.ECIES_P256_HKDF_HMAC_SHA256_AES128_GCM_COMPRESSED_WITHOUT_PREFIX,
        PredefinedHybridParameters.ECIES_P256_HKDF_HMAC_SHA256_AES128_CTR_HMAC_SHA256,
      };

  @Theory
  public void testInstantiation(@FromDataPoints("AllParameters") HybridParameters parameters)
      throws Exception {
    Key key = KeysetHandle.generateNew(parameters).getAt(0).getKey();
    assertThat(key.getParameters()).isEqualTo(parameters);
  }

  @Test
  public void testTypes() throws Exception {
    assertThat(PredefinedHybridParameters.ECIES_P256_HKDF_HMAC_SHA256_AES128_GCM).isNotNull();
    assertThat(
            PredefinedHybridParameters
                .ECIES_P256_HKDF_HMAC_SHA256_AES128_GCM_COMPRESSED_WITHOUT_PREFIX)
        .isNotNull();
    assertThat(PredefinedHybridParameters.ECIES_P256_HKDF_HMAC_SHA256_AES128_CTR_HMAC_SHA256)
        .isNotNull();
  }
}