1 // Copyright 2023 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 //////////////////////////////////////////////////////////////////////////////// 16 17 package com.google.crypto.tink.aead; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import org.junit.Test; 22 import org.junit.runner.RunWith; 23 import org.junit.runners.JUnit4; 24 25 @RunWith(JUnit4.class) 26 public final class XChaCha20Poly1305ParametersTest { 27 private static final XChaCha20Poly1305Parameters.Variant NO_PREFIX = 28 XChaCha20Poly1305Parameters.Variant.NO_PREFIX; 29 private static final XChaCha20Poly1305Parameters.Variant TINK = 30 XChaCha20Poly1305Parameters.Variant.TINK; 31 private static final XChaCha20Poly1305Parameters.Variant CRUNCHY = 32 XChaCha20Poly1305Parameters.Variant.CRUNCHY; 33 34 @Test buildParametersAndGetProperties()35 public void buildParametersAndGetProperties() throws Exception { 36 XChaCha20Poly1305Parameters parameters = XChaCha20Poly1305Parameters.create(); 37 assertThat(parameters.getVariant()).isEqualTo(NO_PREFIX); 38 assertThat(parameters.hasIdRequirement()).isFalse(); 39 } 40 41 @Test buildParameters_setVariantExplicitly()42 public void buildParameters_setVariantExplicitly() throws Exception { 43 XChaCha20Poly1305Parameters parameters = 44 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.NO_PREFIX); 45 assertThat(parameters.getVariant()).isEqualTo(NO_PREFIX); 46 assertThat(parameters.hasIdRequirement()).isFalse(); 47 } 48 49 @Test buildParameters_tink()50 public void buildParameters_tink() throws Exception { 51 XChaCha20Poly1305Parameters parameters = 52 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.TINK); 53 assertThat(parameters.getVariant()).isEqualTo(TINK); 54 assertThat(parameters.hasIdRequirement()).isTrue(); 55 } 56 57 @Test buildParameters_crunchy()58 public void buildParameters_crunchy() throws Exception { 59 XChaCha20Poly1305Parameters parameters = 60 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.CRUNCHY); 61 assertThat(parameters.getVariant()).isEqualTo(CRUNCHY); 62 assertThat(parameters.hasIdRequirement()).isTrue(); 63 } 64 65 @Test testEqualsAndEqualHashCode_noPrefix()66 public void testEqualsAndEqualHashCode_noPrefix() throws Exception { 67 XChaCha20Poly1305Parameters parametersNoPrefix0 = XChaCha20Poly1305Parameters.create(); 68 XChaCha20Poly1305Parameters parametersNoPrefix1 = 69 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.NO_PREFIX); 70 assertThat(parametersNoPrefix0).isEqualTo(parametersNoPrefix1); 71 assertThat(parametersNoPrefix0.hashCode()).isEqualTo(parametersNoPrefix1.hashCode()); 72 } 73 74 @Test testEqualsAndEqualHashCode_tink()75 public void testEqualsAndEqualHashCode_tink() throws Exception { 76 XChaCha20Poly1305Parameters parametersTink0 = 77 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.TINK); 78 XChaCha20Poly1305Parameters parametersTink1 = 79 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.TINK); 80 assertThat(parametersTink0).isEqualTo(parametersTink1); 81 assertThat(parametersTink0.hashCode()).isEqualTo(parametersTink1.hashCode()); 82 } 83 84 @Test testEqualsAndEqualHashCode_crunchy()85 public void testEqualsAndEqualHashCode_crunchy() throws Exception { 86 XChaCha20Poly1305Parameters parametersCrunchy0 = 87 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.CRUNCHY); 88 XChaCha20Poly1305Parameters parametersCrunchy1 = 89 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.CRUNCHY); 90 assertThat(parametersCrunchy0).isEqualTo(parametersCrunchy1); 91 assertThat(parametersCrunchy0.hashCode()).isEqualTo(parametersCrunchy1.hashCode()); 92 } 93 94 @Test testEqualsAndEqualHashCode_different()95 public void testEqualsAndEqualHashCode_different() throws Exception { 96 XChaCha20Poly1305Parameters parametersNoPrefix = XChaCha20Poly1305Parameters.create(); 97 98 XChaCha20Poly1305Parameters parametersTink = 99 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.TINK); 100 101 XChaCha20Poly1305Parameters parametersCrunchy = 102 XChaCha20Poly1305Parameters.create(XChaCha20Poly1305Parameters.Variant.CRUNCHY); 103 104 assertThat(parametersNoPrefix).isNotEqualTo(parametersTink); 105 assertThat(parametersNoPrefix.hashCode()).isNotEqualTo(parametersTink.hashCode()); 106 107 assertThat(parametersNoPrefix).isNotEqualTo(parametersCrunchy); 108 assertThat(parametersNoPrefix.hashCode()).isNotEqualTo(parametersCrunchy.hashCode()); 109 110 assertThat(parametersTink).isNotEqualTo(parametersNoPrefix); 111 assertThat(parametersTink.hashCode()).isNotEqualTo(parametersNoPrefix.hashCode()); 112 113 assertThat(parametersTink).isNotEqualTo(parametersCrunchy); 114 assertThat(parametersTink.hashCode()).isNotEqualTo(parametersCrunchy.hashCode()); 115 116 assertThat(parametersCrunchy).isNotEqualTo(parametersNoPrefix); 117 assertThat(parametersCrunchy.hashCode()).isNotEqualTo(parametersNoPrefix.hashCode()); 118 119 assertThat(parametersCrunchy).isNotEqualTo(parametersTink); 120 assertThat(parametersCrunchy.hashCode()).isNotEqualTo(parametersTink.hashCode()); 121 } 122 } 123