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Diffstat (limited to 'csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections')
2 files changed, 1278 insertions, 0 deletions
diff --git a/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/MapFieldTest.cs b/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/MapFieldTest.cs new file mode 100644 index 00000000..9c845907 --- /dev/null +++ b/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/MapFieldTest.cs @@ -0,0 +1,532 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2015 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// 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. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#endregion + +using System; +using System.Collections.Generic; +using Google.Protobuf.TestProtos; +using NUnit.Framework; +using System.Collections; +using System.Linq; + +namespace Google.Protobuf.Collections +{ + /// <summary> + /// Tests for MapField which aren't reliant on the encoded format - + /// tests for serialization/deserialization are part of GeneratedMessageTest. + /// </summary> + public class MapFieldTest + { + [Test] + public void Clone_ClonesMessages() + { + var message = new ForeignMessage { C = 20 }; + var map = new MapField<string, ForeignMessage> { { "x", message } }; + var clone = map.Clone(); + map["x"].C = 30; + Assert.AreEqual(20, clone["x"].C); + } + + [Test] + public void NullValuesProhibited() + { + TestNullValues<int?>(0); + TestNullValues(""); + TestNullValues(new TestAllTypes()); + } + + private void TestNullValues<T>(T nonNullValue) + { + var map = new MapField<int, T>(); + var nullValue = (T) (object) null; + Assert.Throws<ArgumentNullException>(() => map.Add(0, nullValue)); + Assert.Throws<ArgumentNullException>(() => map[0] = nullValue); + map.Add(1, nonNullValue); + map[1] = nonNullValue; + } + + [Test] + public void Add_ForbidsNullKeys() + { + var map = new MapField<string, ForeignMessage>(); + Assert.Throws<ArgumentNullException>(() => map.Add(null, new ForeignMessage())); + } + + [Test] + public void Indexer_ForbidsNullKeys() + { + var map = new MapField<string, ForeignMessage>(); + Assert.Throws<ArgumentNullException>(() => map[null] = new ForeignMessage()); + } + + [Test] + public void AddPreservesInsertionOrder() + { + var map = new MapField<string, string>(); + map.Add("a", "v1"); + map.Add("b", "v2"); + map.Add("c", "v3"); + map.Remove("b"); + map.Add("d", "v4"); + CollectionAssert.AreEqual(new[] { "a", "c", "d" }, map.Keys); + CollectionAssert.AreEqual(new[] { "v1", "v3", "v4" }, map.Values); + } + + [Test] + public void EqualityIsOrderInsensitive() + { + var map1 = new MapField<string, string>(); + map1.Add("a", "v1"); + map1.Add("b", "v2"); + + var map2 = new MapField<string, string>(); + map2.Add("b", "v2"); + map2.Add("a", "v1"); + + EqualityTester.AssertEquality(map1, map2); + } + + [Test] + public void EqualityIsKeySensitive() + { + var map1 = new MapField<string, string>(); + map1.Add("first key", "v1"); + map1.Add("second key", "v2"); + + var map2 = new MapField<string, string>(); + map2.Add("third key", "v1"); + map2.Add("fourth key", "v2"); + + EqualityTester.AssertInequality(map1, map2); + } + + [Test] + public void Equality_Simple() + { + var map = new MapField<string, string>(); + EqualityTester.AssertEquality(map, map); + EqualityTester.AssertInequality(map, null); + Assert.IsFalse(map.Equals(new object())); + } + + [Test] + public void EqualityIsValueSensitive() + { + // Note: Without some care, it's a little easier than one might + // hope to see hash collisions, but only in some environments... + var map1 = new MapField<string, string>(); + map1.Add("a", "first value"); + map1.Add("b", "second value"); + + var map2 = new MapField<string, string>(); + map2.Add("a", "third value"); + map2.Add("b", "fourth value"); + + EqualityTester.AssertInequality(map1, map2); + } + + [Test] + public void Add_Dictionary() + { + var map1 = new MapField<string, string> + { + { "x", "y" }, + { "a", "b" } + }; + var map2 = new MapField<string, string> + { + { "before", "" }, + map1, + { "after", "" } + }; + var expected = new MapField<string, string> + { + { "before", "" }, + { "x", "y" }, + { "a", "b" }, + { "after", "" } + }; + Assert.AreEqual(expected, map2); + CollectionAssert.AreEqual(new[] { "before", "x", "a", "after" }, map2.Keys); + } + + // General IDictionary<TKey, TValue> behavior tests + [Test] + public void Add_KeyAlreadyExists() + { + var map = new MapField<string, string>(); + map.Add("foo", "bar"); + Assert.Throws<ArgumentException>(() => map.Add("foo", "baz")); + } + + [Test] + public void Add_Pair() + { + var map = new MapField<string, string>(); + ICollection<KeyValuePair<string, string>> collection = map; + collection.Add(NewKeyValuePair("x", "y")); + Assert.AreEqual("y", map["x"]); + Assert.Throws<ArgumentException>(() => collection.Add(NewKeyValuePair("x", "z"))); + } + + [Test] + public void Contains_Pair() + { + var map = new MapField<string, string> { { "x", "y" } }; + ICollection<KeyValuePair<string, string>> collection = map; + Assert.IsTrue(collection.Contains(NewKeyValuePair("x", "y"))); + Assert.IsFalse(collection.Contains(NewKeyValuePair("x", "z"))); + Assert.IsFalse(collection.Contains(NewKeyValuePair("z", "y"))); + } + + [Test] + public void Remove_Key() + { + var map = new MapField<string, string>(); + map.Add("foo", "bar"); + Assert.AreEqual(1, map.Count); + Assert.IsFalse(map.Remove("missing")); + Assert.AreEqual(1, map.Count); + Assert.IsTrue(map.Remove("foo")); + Assert.AreEqual(0, map.Count); + Assert.Throws<ArgumentNullException>(() => map.Remove(null)); + } + + [Test] + public void Remove_Pair() + { + var map = new MapField<string, string>(); + map.Add("foo", "bar"); + ICollection<KeyValuePair<string, string>> collection = map; + Assert.AreEqual(1, map.Count); + Assert.IsFalse(collection.Remove(NewKeyValuePair("wrong key", "bar"))); + Assert.AreEqual(1, map.Count); + Assert.IsFalse(collection.Remove(NewKeyValuePair("foo", "wrong value"))); + Assert.AreEqual(1, map.Count); + Assert.IsTrue(collection.Remove(NewKeyValuePair("foo", "bar"))); + Assert.AreEqual(0, map.Count); + Assert.Throws<ArgumentException>(() => collection.Remove(new KeyValuePair<string, string>(null, ""))); + } + + [Test] + public void CopyTo_Pair() + { + var map = new MapField<string, string>(); + map.Add("foo", "bar"); + ICollection<KeyValuePair<string, string>> collection = map; + KeyValuePair<string, string>[] array = new KeyValuePair<string, string>[3]; + collection.CopyTo(array, 1); + Assert.AreEqual(NewKeyValuePair("foo", "bar"), array[1]); + } + + [Test] + public void Clear() + { + var map = new MapField<string, string> { { "x", "y" } }; + Assert.AreEqual(1, map.Count); + map.Clear(); + Assert.AreEqual(0, map.Count); + map.Add("x", "y"); + Assert.AreEqual(1, map.Count); + } + + [Test] + public void Indexer_Get() + { + var map = new MapField<string, string> { { "x", "y" } }; + Assert.AreEqual("y", map["x"]); + Assert.Throws<KeyNotFoundException>(() => { var ignored = map["z"]; }); + } + + [Test] + public void Indexer_Set() + { + var map = new MapField<string, string>(); + map["x"] = "y"; + Assert.AreEqual("y", map["x"]); + map["x"] = "z"; // This won't throw, unlike Add. + Assert.AreEqual("z", map["x"]); + } + + [Test] + public void GetEnumerator_NonGeneric() + { + IEnumerable map = new MapField<string, string> { { "x", "y" } }; + CollectionAssert.AreEqual(new[] { new KeyValuePair<string, string>("x", "y") }, + map.Cast<object>().ToList()); + } + + // Test for the explicitly-implemented non-generic IDictionary interface + [Test] + public void IDictionary_GetEnumerator() + { + IDictionary map = new MapField<string, string> { { "x", "y" } }; + var enumerator = map.GetEnumerator(); + + // Commented assertions show an ideal situation - it looks like + // the LinkedList enumerator doesn't throw when you ask for the current entry + // at an inappropriate time; fixing this would be more work than it's worth. + // Assert.Throws<InvalidOperationException>(() => enumerator.Current.GetHashCode()); + Assert.IsTrue(enumerator.MoveNext()); + Assert.AreEqual("x", enumerator.Key); + Assert.AreEqual("y", enumerator.Value); + Assert.AreEqual(new DictionaryEntry("x", "y"), enumerator.Current); + Assert.AreEqual(new DictionaryEntry("x", "y"), enumerator.Entry); + Assert.IsFalse(enumerator.MoveNext()); + // Assert.Throws<InvalidOperationException>(() => enumerator.Current.GetHashCode()); + enumerator.Reset(); + // Assert.Throws<InvalidOperationException>(() => enumerator.Current.GetHashCode()); + Assert.IsTrue(enumerator.MoveNext()); + Assert.AreEqual("x", enumerator.Key); // Assume the rest are okay + } + + [Test] + public void IDictionary_Add() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + dictionary.Add("a", "b"); + Assert.AreEqual("b", map["a"]); + Assert.Throws<ArgumentException>(() => dictionary.Add("a", "duplicate")); + Assert.Throws<InvalidCastException>(() => dictionary.Add(new object(), "key is bad")); + Assert.Throws<InvalidCastException>(() => dictionary.Add("value is bad", new object())); + } + + [Test] + public void IDictionary_Contains() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + + Assert.IsFalse(dictionary.Contains("a")); + Assert.IsFalse(dictionary.Contains(5)); + // Surprising, but IDictionary.Contains is only about keys. + Assert.IsFalse(dictionary.Contains(new DictionaryEntry("x", "y"))); + Assert.IsTrue(dictionary.Contains("x")); + } + + [Test] + public void IDictionary_Remove() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + dictionary.Remove("a"); + Assert.AreEqual(1, dictionary.Count); + dictionary.Remove(5); + Assert.AreEqual(1, dictionary.Count); + dictionary.Remove(new DictionaryEntry("x", "y")); + Assert.AreEqual(1, dictionary.Count); + dictionary.Remove("x"); + Assert.AreEqual(0, dictionary.Count); + Assert.Throws<ArgumentNullException>(() => dictionary.Remove(null)); + } + + [Test] + public void IDictionary_CopyTo() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + var array = new DictionaryEntry[3]; + dictionary.CopyTo(array, 1); + CollectionAssert.AreEqual(new[] { default(DictionaryEntry), new DictionaryEntry("x", "y"), default(DictionaryEntry) }, + array); + var objectArray = new object[3]; + dictionary.CopyTo(objectArray, 1); + CollectionAssert.AreEqual(new object[] { null, new DictionaryEntry("x", "y"), null }, + objectArray); + } + + [Test] + public void IDictionary_IsFixedSize() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + Assert.IsFalse(dictionary.IsFixedSize); + } + + [Test] + public void IDictionary_Keys() + { + IDictionary dictionary = new MapField<string, string> { { "x", "y" } }; + CollectionAssert.AreEqual(new[] { "x" }, dictionary.Keys); + } + + [Test] + public void IDictionary_Values() + { + IDictionary dictionary = new MapField<string, string> { { "x", "y" } }; + CollectionAssert.AreEqual(new[] { "y" }, dictionary.Values); + } + + [Test] + public void IDictionary_IsSynchronized() + { + IDictionary dictionary = new MapField<string, string> { { "x", "y" } }; + Assert.IsFalse(dictionary.IsSynchronized); + } + + [Test] + public void IDictionary_SyncRoot() + { + IDictionary dictionary = new MapField<string, string> { { "x", "y" } }; + Assert.AreSame(dictionary, dictionary.SyncRoot); + } + + [Test] + public void IDictionary_Indexer_Get() + { + IDictionary dictionary = new MapField<string, string> { { "x", "y" } }; + Assert.AreEqual("y", dictionary["x"]); + Assert.IsNull(dictionary["a"]); + Assert.IsNull(dictionary[5]); + Assert.Throws<ArgumentNullException>(() => dictionary[null].GetHashCode()); + } + + [Test] + public void IDictionary_Indexer_Set() + { + var map = new MapField<string, string> { { "x", "y" } }; + IDictionary dictionary = map; + map["a"] = "b"; + Assert.AreEqual("b", map["a"]); + map["a"] = "c"; + Assert.AreEqual("c", map["a"]); + Assert.Throws<InvalidCastException>(() => dictionary[5] = "x"); + Assert.Throws<InvalidCastException>(() => dictionary["x"] = 5); + Assert.Throws<ArgumentNullException>(() => dictionary[null] = "z"); + Assert.Throws<ArgumentNullException>(() => dictionary["x"] = null); + } + + [Test] + public void KeysReturnsLiveView() + { + var map = new MapField<string, string>(); + var keys = map.Keys; + CollectionAssert.AreEqual(new string[0], keys); + map["foo"] = "bar"; + map["x"] = "y"; + CollectionAssert.AreEqual(new[] { "foo", "x" }, keys); + } + + [Test] + public void ValuesReturnsLiveView() + { + var map = new MapField<string, string>(); + var values = map.Values; + CollectionAssert.AreEqual(new string[0], values); + map["foo"] = "bar"; + map["x"] = "y"; + CollectionAssert.AreEqual(new[] { "bar", "y" }, values); + } + + // Just test keys - we know the implementation is the same for values + [Test] + public void ViewsAreReadOnly() + { + var map = new MapField<string, string>(); + var keys = map.Keys; + Assert.IsTrue(keys.IsReadOnly); + Assert.Throws<NotSupportedException>(() => keys.Clear()); + Assert.Throws<NotSupportedException>(() => keys.Remove("a")); + Assert.Throws<NotSupportedException>(() => keys.Add("a")); + } + + // Just test keys - we know the implementation is the same for values + [Test] + public void ViewCopyTo() + { + var map = new MapField<string, string> { { "foo", "bar" }, { "x", "y" } }; + var keys = map.Keys; + var array = new string[4]; + Assert.Throws<ArgumentException>(() => keys.CopyTo(array, 3)); + Assert.Throws<ArgumentOutOfRangeException>(() => keys.CopyTo(array, -1)); + keys.CopyTo(array, 1); + CollectionAssert.AreEqual(new[] { null, "foo", "x", null }, array); + } + + // Just test keys - we know the implementation is the same for values + [Test] + public void NonGenericViewCopyTo() + { + IDictionary map = new MapField<string, string> { { "foo", "bar" }, { "x", "y" } }; + ICollection keys = map.Keys; + // Note the use of the Array type here rather than string[] + Array array = new string[4]; + Assert.Throws<ArgumentException>(() => keys.CopyTo(array, 3)); + Assert.Throws<ArgumentOutOfRangeException>(() => keys.CopyTo(array, -1)); + keys.CopyTo(array, 1); + CollectionAssert.AreEqual(new[] { null, "foo", "x", null }, array); + } + + [Test] + public void KeysContains() + { + var map = new MapField<string, string> { { "foo", "bar" }, { "x", "y" } }; + var keys = map.Keys; + Assert.IsTrue(keys.Contains("foo")); + Assert.IsFalse(keys.Contains("bar")); // It's a value! + Assert.IsFalse(keys.Contains("1")); + // Keys can't be null, so we should prevent contains check + Assert.Throws<ArgumentNullException>(() => keys.Contains(null)); + } + + [Test] + public void ValuesContains() + { + var map = new MapField<string, string> { { "foo", "bar" }, { "x", "y" } }; + var values = map.Values; + Assert.IsTrue(values.Contains("bar")); + Assert.IsFalse(values.Contains("foo")); // It's a key! + Assert.IsFalse(values.Contains("1")); + // Values can be null, so this makes sense + Assert.IsFalse(values.Contains(null)); + } + + [Test] + public void ToString_StringToString() + { + var map = new MapField<string, string> { { "foo", "bar" }, { "x", "y" } }; + Assert.AreEqual("{ \"foo\": \"bar\", \"x\": \"y\" }", map.ToString()); + } + + [Test] + public void ToString_UnsupportedKeyType() + { + var map = new MapField<byte, string> { { 10, "foo" } }; + Assert.Throws<ArgumentException>(() => map.ToString()); + } + + private static KeyValuePair<TKey, TValue> NewKeyValuePair<TKey, TValue>(TKey key, TValue value) + { + return new KeyValuePair<TKey, TValue>(key, value); + } + } +} diff --git a/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/RepeatedFieldTest.cs b/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/RepeatedFieldTest.cs new file mode 100644 index 00000000..6852f75f --- /dev/null +++ b/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/Collections/RepeatedFieldTest.cs @@ -0,0 +1,746 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2015 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// 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. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#endregion + +using System; +using System.Collections; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; +using Google.Protobuf.TestProtos; +using Google.Protobuf.WellKnownTypes; +using NUnit.Framework; + +namespace Google.Protobuf.Collections +{ + public class RepeatedFieldTest + { + [Test] + public void NullValuesRejected() + { + var list = new RepeatedField<string>(); + Assert.Throws<ArgumentNullException>(() => list.Add((string)null)); + Assert.Throws<ArgumentNullException>(() => list.Add((IEnumerable<string>)null)); + Assert.Throws<ArgumentNullException>(() => list.Add((RepeatedField<string>)null)); + Assert.Throws<ArgumentNullException>(() => list.Contains(null)); + Assert.Throws<ArgumentNullException>(() => list.IndexOf(null)); + } + + [Test] + public void Add_SingleItem() + { + var list = new RepeatedField<string>(); + list.Add("foo"); + Assert.AreEqual(1, list.Count); + Assert.AreEqual("foo", list[0]); + } + + [Test] + public void Add_Sequence() + { + var list = new RepeatedField<string>(); + list.Add(new[] { "foo", "bar" }); + Assert.AreEqual(2, list.Count); + Assert.AreEqual("foo", list[0]); + Assert.AreEqual("bar", list[1]); + } + + [Test] + public void AddRange_SlowPath() + { + var list = new RepeatedField<string>(); + list.AddRange(new[] { "foo", "bar" }.Select(x => x)); + Assert.AreEqual(2, list.Count); + Assert.AreEqual("foo", list[0]); + Assert.AreEqual("bar", list[1]); + } + + [Test] + public void AddRange_SlowPath_NullsProhibited_ReferenceType() + { + var list = new RepeatedField<string>(); + // It's okay for this to throw ArgumentNullException if necessary. + // It's not ideal, but not awful. + Assert.Catch<ArgumentException>(() => list.AddRange(new[] { "foo", null }.Select(x => x))); + } + + [Test] + public void AddRange_SlowPath_NullsProhibited_NullableValueType() + { + var list = new RepeatedField<int?>(); + // It's okay for this to throw ArgumentNullException if necessary. + // It's not ideal, but not awful. + Assert.Catch<ArgumentException>(() => list.AddRange(new[] { 20, (int?)null }.Select(x => x))); + } + + [Test] + public void AddRange_Optimized_NonNullableValueType() + { + var list = new RepeatedField<int>(); + list.AddRange(new List<int> { 20, 30 }); + Assert.AreEqual(2, list.Count); + Assert.AreEqual(20, list[0]); + Assert.AreEqual(30, list[1]); + } + + [Test] + public void AddRange_Optimized_ReferenceType() + { + var list = new RepeatedField<string>(); + list.AddRange(new List<string> { "foo", "bar" }); + Assert.AreEqual(2, list.Count); + Assert.AreEqual("foo", list[0]); + Assert.AreEqual("bar", list[1]); + } + + [Test] + public void AddRange_Optimized_NullableValueType() + { + var list = new RepeatedField<int?>(); + list.AddRange(new List<int?> { 20, 30 }); + Assert.AreEqual(2, list.Count); + Assert.AreEqual((int?) 20, list[0]); + Assert.AreEqual((int?) 30, list[1]); + } + + [Test] + public void AddRange_Optimized_NullsProhibited_ReferenceType() + { + // We don't just trust that a collection with a nullable element type doesn't contain nulls + var list = new RepeatedField<string>(); + // It's okay for this to throw ArgumentNullException if necessary. + // It's not ideal, but not awful. + Assert.Catch<ArgumentException>(() => list.AddRange(new List<string> { "foo", null })); + } + + [Test] + public void AddRange_Optimized_NullsProhibited_NullableValueType() + { + // We don't just trust that a collection with a nullable element type doesn't contain nulls + var list = new RepeatedField<int?>(); + // It's okay for this to throw ArgumentNullException if necessary. + // It's not ideal, but not awful. + Assert.Catch<ArgumentException>(() => list.AddRange(new List<int?> { 20, null })); + } + + [Test] + public void AddRange_AlreadyNotEmpty() + { + var list = new RepeatedField<int> { 1, 2, 3 }; + list.AddRange(new List<int> { 4, 5, 6 }); + CollectionAssert.AreEqual(new[] { 1, 2, 3, 4, 5, 6 }, list); + } + + [Test] + public void AddRange_RepeatedField() + { + var list = new RepeatedField<string> { "original" }; + list.AddRange(new RepeatedField<string> { "foo", "bar" }); + Assert.AreEqual(3, list.Count); + Assert.AreEqual("original", list[0]); + Assert.AreEqual("foo", list[1]); + Assert.AreEqual("bar", list[2]); + } + + [Test] + public void RemoveAt_Valid() + { + var list = new RepeatedField<string> { "first", "second", "third" }; + list.RemoveAt(1); + CollectionAssert.AreEqual(new[] { "first", "third" }, list); + // Just check that these don't throw... + list.RemoveAt(list.Count - 1); // Now the count will be 1... + list.RemoveAt(0); + Assert.AreEqual(0, list.Count); + } + + [Test] + public void RemoveAt_Invalid() + { + var list = new RepeatedField<string> { "first", "second", "third" }; + Assert.Throws<ArgumentOutOfRangeException>(() => list.RemoveAt(-1)); + Assert.Throws<ArgumentOutOfRangeException>(() => list.RemoveAt(3)); + } + + [Test] + public void Insert_Valid() + { + var list = new RepeatedField<string> { "first", "second" }; + list.Insert(1, "middle"); + CollectionAssert.AreEqual(new[] { "first", "middle", "second" }, list); + list.Insert(3, "end"); + CollectionAssert.AreEqual(new[] { "first", "middle", "second", "end" }, list); + list.Insert(0, "start"); + CollectionAssert.AreEqual(new[] { "start", "first", "middle", "second", "end" }, list); + } + + [Test] + public void Insert_Invalid() + { + var list = new RepeatedField<string> { "first", "second" }; + Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(-1, "foo")); + Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(3, "foo")); + Assert.Throws<ArgumentNullException>(() => list.Insert(0, null)); + } + + [Test] + public void Equals_RepeatedField() + { + var list = new RepeatedField<string> { "first", "second" }; + Assert.IsFalse(list.Equals((RepeatedField<string>) null)); + Assert.IsTrue(list.Equals(list)); + Assert.IsFalse(list.Equals(new RepeatedField<string> { "first", "third" })); + Assert.IsFalse(list.Equals(new RepeatedField<string> { "first" })); + Assert.IsTrue(list.Equals(new RepeatedField<string> { "first", "second" })); + } + + [Test] + public void Equals_Object() + { + var list = new RepeatedField<string> { "first", "second" }; + Assert.IsFalse(list.Equals((object) null)); + Assert.IsTrue(list.Equals((object) list)); + Assert.IsFalse(list.Equals((object) new RepeatedField<string> { "first", "third" })); + Assert.IsFalse(list.Equals((object) new RepeatedField<string> { "first" })); + Assert.IsTrue(list.Equals((object) new RepeatedField<string> { "first", "second" })); + Assert.IsFalse(list.Equals(new object())); + } + + [Test] + public void GetEnumerator_GenericInterface() + { + IEnumerable<string> list = new RepeatedField<string> { "first", "second" }; + // Select gets rid of the optimizations in ToList... + CollectionAssert.AreEqual(new[] { "first", "second" }, list.Select(x => x).ToList()); + } + + [Test] + public void GetEnumerator_NonGenericInterface() + { + IEnumerable list = new RepeatedField<string> { "first", "second" }; + CollectionAssert.AreEqual(new[] { "first", "second" }, list.Cast<object>().ToList()); + } + + [Test] + public void CopyTo() + { + var list = new RepeatedField<string> { "first", "second" }; + string[] stringArray = new string[4]; + list.CopyTo(stringArray, 1); + CollectionAssert.AreEqual(new[] { null, "first", "second", null }, stringArray); + } + + [Test] + public void Indexer_Get() + { + var list = new RepeatedField<string> { "first", "second" }; + Assert.AreEqual("first", list[0]); + Assert.AreEqual("second", list[1]); + Assert.Throws<ArgumentOutOfRangeException>(() => list[-1].GetHashCode()); + Assert.Throws<ArgumentOutOfRangeException>(() => list[2].GetHashCode()); + } + + [Test] + public void Indexer_Set() + { + var list = new RepeatedField<string> { "first", "second" }; + list[0] = "changed"; + Assert.AreEqual("changed", list[0]); + Assert.Throws<ArgumentNullException>(() => list[0] = null); + Assert.Throws<ArgumentOutOfRangeException>(() => list[-1] = "bad"); + Assert.Throws<ArgumentOutOfRangeException>(() => list[2] = "bad"); + } + + [Test] + public void Clone_ReturnsMutable() + { + var list = new RepeatedField<int> { 0 }; + var clone = list.Clone(); + clone[0] = 1; + } + + [Test] + public void Enumerator() + { + var list = new RepeatedField<string> { "first", "second" }; + using (var enumerator = list.GetEnumerator()) + { + Assert.IsTrue(enumerator.MoveNext()); + Assert.AreEqual("first", enumerator.Current); + Assert.IsTrue(enumerator.MoveNext()); + Assert.AreEqual("second", enumerator.Current); + Assert.IsFalse(enumerator.MoveNext()); + Assert.IsFalse(enumerator.MoveNext()); + } + } + + [Test] + public void AddEntriesFrom_PackedInt32() + { + uint packedTag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + var length = CodedOutputStream.ComputeInt32Size(10) + + CodedOutputStream.ComputeInt32Size(999) + + CodedOutputStream.ComputeInt32Size(-1000); + output.WriteTag(packedTag); + output.WriteRawVarint32((uint) length); + output.WriteInt32(10); + output.WriteInt32(999); + output.WriteInt32(-1000); + output.Flush(); + stream.Position = 0; + + // Deliberately "expecting" a non-packed tag, but we detect that the data is + // actually packed. + uint nonPackedTag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var field = new RepeatedField<int>(); + var input = new CodedInputStream(stream); + input.AssertNextTag(packedTag); + field.AddEntriesFrom(input, FieldCodec.ForInt32(nonPackedTag)); + CollectionAssert.AreEqual(new[] { 10, 999, -1000 }, field); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void AddEntriesFrom_NonPackedInt32() + { + uint nonPackedTag = WireFormat.MakeTag(10, WireFormat.WireType.Varint); + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + output.WriteTag(nonPackedTag); + output.WriteInt32(10); + output.WriteTag(nonPackedTag); + output.WriteInt32(999); + output.WriteTag(nonPackedTag); + output.WriteInt32(-1000); // Just for variety... + output.Flush(); + stream.Position = 0; + + // Deliberately "expecting" a packed tag, but we detect that the data is + // actually not packed. + uint packedTag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var field = new RepeatedField<int>(); + var input = new CodedInputStream(stream); + input.AssertNextTag(nonPackedTag); + field.AddEntriesFrom(input, FieldCodec.ForInt32(packedTag)); + CollectionAssert.AreEqual(new[] { 10, 999, -1000 }, field); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void AddEntriesFrom_String() + { + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + output.WriteTag(tag); + output.WriteString("Foo"); + output.WriteTag(tag); + output.WriteString(""); + output.WriteTag(tag); + output.WriteString("Bar"); + output.Flush(); + stream.Position = 0; + + var field = new RepeatedField<string>(); + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + field.AddEntriesFrom(input, FieldCodec.ForString(tag)); + CollectionAssert.AreEqual(new[] { "Foo", "", "Bar" }, field); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void AddEntriesFrom_Message() + { + var message1 = new ForeignMessage { C = 2000 }; + var message2 = new ForeignMessage { C = -250 }; + + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + output.WriteTag(tag); + output.WriteMessage(message1); + output.WriteTag(tag); + output.WriteMessage(message2); + output.Flush(); + stream.Position = 0; + + var field = new RepeatedField<ForeignMessage>(); + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + field.AddEntriesFrom(input, FieldCodec.ForMessage(tag, ForeignMessage.Parser)); + CollectionAssert.AreEqual(new[] { message1, message2}, field); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void WriteTo_PackedInt32() + { + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var field = new RepeatedField<int> { 10, 1000, 1000000 }; + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + field.WriteTo(output, FieldCodec.ForInt32(tag)); + output.Flush(); + stream.Position = 0; + + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + var length = input.ReadLength(); + Assert.AreEqual(10, input.ReadInt32()); + Assert.AreEqual(1000, input.ReadInt32()); + Assert.AreEqual(1000000, input.ReadInt32()); + Assert.IsTrue(input.IsAtEnd); + Assert.AreEqual(1 + CodedOutputStream.ComputeLengthSize(length) + length, stream.Length); + } + + [Test] + public void WriteTo_NonPackedInt32() + { + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.Varint); + var field = new RepeatedField<int> { 10, 1000, 1000000}; + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + field.WriteTo(output, FieldCodec.ForInt32(tag)); + output.Flush(); + stream.Position = 0; + + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + Assert.AreEqual(10, input.ReadInt32()); + input.AssertNextTag(tag); + Assert.AreEqual(1000, input.ReadInt32()); + input.AssertNextTag(tag); + Assert.AreEqual(1000000, input.ReadInt32()); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void WriteTo_String() + { + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var field = new RepeatedField<string> { "Foo", "", "Bar" }; + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + field.WriteTo(output, FieldCodec.ForString(tag)); + output.Flush(); + stream.Position = 0; + + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + Assert.AreEqual("Foo", input.ReadString()); + input.AssertNextTag(tag); + Assert.AreEqual("", input.ReadString()); + input.AssertNextTag(tag); + Assert.AreEqual("Bar", input.ReadString()); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void WriteTo_Message() + { + var message1 = new ForeignMessage { C = 20 }; + var message2 = new ForeignMessage { C = 25 }; + uint tag = WireFormat.MakeTag(10, WireFormat.WireType.LengthDelimited); + var field = new RepeatedField<ForeignMessage> { message1, message2 }; + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + field.WriteTo(output, FieldCodec.ForMessage(tag, ForeignMessage.Parser)); + output.Flush(); + stream.Position = 0; + + var input = new CodedInputStream(stream); + input.AssertNextTag(tag); + Assert.AreEqual(message1, input.ReadMessage(ForeignMessage.Parser)); + input.AssertNextTag(tag); + Assert.AreEqual(message2, input.ReadMessage(ForeignMessage.Parser)); + Assert.IsTrue(input.IsAtEnd); + } + + [Test] + public void CalculateSize_VariableSizeNonPacked() + { + var list = new RepeatedField<int> { 1, 500, 1 }; + var tag = WireFormat.MakeTag(1, WireFormat.WireType.Varint); + // 2 bytes for the first entry, 3 bytes for the second, 2 bytes for the third + Assert.AreEqual(7, list.CalculateSize(FieldCodec.ForInt32(tag))); + } + + [Test] + public void CalculateSize_FixedSizeNonPacked() + { + var list = new RepeatedField<int> { 1, 500, 1 }; + var tag = WireFormat.MakeTag(1, WireFormat.WireType.Fixed32); + // 5 bytes for the each entry + Assert.AreEqual(15, list.CalculateSize(FieldCodec.ForSFixed32(tag))); + } + + [Test] + public void CalculateSize_VariableSizePacked() + { + var list = new RepeatedField<int> { 1, 500, 1}; + var tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited); + // 1 byte for the tag, 1 byte for the length, + // 1 byte for the first entry, 2 bytes for the second, 1 byte for the third + Assert.AreEqual(6, list.CalculateSize(FieldCodec.ForInt32(tag))); + } + + [Test] + public void CalculateSize_FixedSizePacked() + { + var list = new RepeatedField<int> { 1, 500, 1 }; + var tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited); + // 1 byte for the tag, 1 byte for the length, 4 bytes per entry + Assert.AreEqual(14, list.CalculateSize(FieldCodec.ForSFixed32(tag))); + } + + [Test] + public void TestNegativeEnumArray() + { + int arraySize = 1 + 1 + (11 * 5); + int msgSize = arraySize; + byte[] bytes = new byte[msgSize]; + CodedOutputStream output = new CodedOutputStream(bytes); + uint tag = WireFormat.MakeTag(8, WireFormat.WireType.Varint); + for (int i = 0; i >= -5; i--) + { + output.WriteTag(tag); + output.WriteEnum(i); + } + + Assert.AreEqual(0, output.SpaceLeft); + + CodedInputStream input = new CodedInputStream(bytes); + tag = input.ReadTag(); + + RepeatedField<SampleEnum> values = new RepeatedField<SampleEnum>(); + values.AddEntriesFrom(input, FieldCodec.ForEnum(tag, x => (int)x, x => (SampleEnum)x)); + + Assert.AreEqual(6, values.Count); + Assert.AreEqual(SampleEnum.None, values[0]); + Assert.AreEqual(((SampleEnum)(-1)), values[1]); + Assert.AreEqual(SampleEnum.NegativeValue, values[2]); + Assert.AreEqual(((SampleEnum)(-3)), values[3]); + Assert.AreEqual(((SampleEnum)(-4)), values[4]); + Assert.AreEqual(((SampleEnum)(-5)), values[5]); + } + + + [Test] + public void TestNegativeEnumPackedArray() + { + int arraySize = 1 + (10 * 5); + int msgSize = 1 + 1 + arraySize; + byte[] bytes = new byte[msgSize]; + CodedOutputStream output = new CodedOutputStream(bytes); + // Length-delimited to show we want the packed representation + uint tag = WireFormat.MakeTag(8, WireFormat.WireType.LengthDelimited); + output.WriteTag(tag); + int size = 0; + for (int i = 0; i >= -5; i--) + { + size += CodedOutputStream.ComputeEnumSize(i); + } + output.WriteRawVarint32((uint)size); + for (int i = 0; i >= -5; i--) + { + output.WriteEnum(i); + } + Assert.AreEqual(0, output.SpaceLeft); + + CodedInputStream input = new CodedInputStream(bytes); + tag = input.ReadTag(); + + RepeatedField<SampleEnum> values = new RepeatedField<SampleEnum>(); + values.AddEntriesFrom(input, FieldCodec.ForEnum(tag, x => (int)x, x => (SampleEnum)x)); + + Assert.AreEqual(6, values.Count); + Assert.AreEqual(SampleEnum.None, values[0]); + Assert.AreEqual(((SampleEnum)(-1)), values[1]); + Assert.AreEqual(SampleEnum.NegativeValue, values[2]); + Assert.AreEqual(((SampleEnum)(-3)), values[3]); + Assert.AreEqual(((SampleEnum)(-4)), values[4]); + Assert.AreEqual(((SampleEnum)(-5)), values[5]); + } + + // Fairly perfunctory tests for the non-generic IList implementation + [Test] + public void IList_Indexer() + { + var field = new RepeatedField<string> { "first", "second" }; + IList list = field; + Assert.AreEqual("first", list[0]); + list[1] = "changed"; + Assert.AreEqual("changed", field[1]); + } + + [Test] + public void IList_Contains() + { + IList list = new RepeatedField<string> { "first", "second" }; + Assert.IsTrue(list.Contains("second")); + Assert.IsFalse(list.Contains("third")); + Assert.IsFalse(list.Contains(new object())); + } + + [Test] + public void IList_Add() + { + IList list = new RepeatedField<string> { "first", "second" }; + list.Add("third"); + CollectionAssert.AreEqual(new[] { "first", "second", "third" }, list); + } + + [Test] + public void IList_Remove() + { + IList list = new RepeatedField<string> { "first", "second" }; + list.Remove("third"); // No-op, no exception + list.Remove(new object()); // No-op, no exception + list.Remove("first"); + CollectionAssert.AreEqual(new[] { "second" }, list); + } + + [Test] + public void IList_IsFixedSize() + { + var field = new RepeatedField<string> { "first", "second" }; + IList list = field; + Assert.IsFalse(list.IsFixedSize); + } + + [Test] + public void IList_IndexOf() + { + IList list = new RepeatedField<string> { "first", "second" }; + Assert.AreEqual(1, list.IndexOf("second")); + Assert.AreEqual(-1, list.IndexOf("third")); + Assert.AreEqual(-1, list.IndexOf(new object())); + } + + [Test] + public void IList_SyncRoot() + { + IList list = new RepeatedField<string> { "first", "second" }; + Assert.AreSame(list, list.SyncRoot); + } + + [Test] + public void IList_CopyTo() + { + IList list = new RepeatedField<string> { "first", "second" }; + string[] stringArray = new string[4]; + list.CopyTo(stringArray, 1); + CollectionAssert.AreEqual(new[] { null, "first", "second", null }, stringArray); + + object[] objectArray = new object[4]; + list.CopyTo(objectArray, 1); + CollectionAssert.AreEqual(new[] { null, "first", "second", null }, objectArray); + + Assert.Throws<ArrayTypeMismatchException>(() => list.CopyTo(new StringBuilder[4], 1)); + Assert.Throws<ArrayTypeMismatchException>(() => list.CopyTo(new int[4], 1)); + } + + [Test] + public void IList_IsSynchronized() + { + IList list = new RepeatedField<string> { "first", "second" }; + Assert.IsFalse(list.IsSynchronized); + } + + [Test] + public void IList_Insert() + { + IList list = new RepeatedField<string> { "first", "second" }; + list.Insert(1, "middle"); + CollectionAssert.AreEqual(new[] { "first", "middle", "second" }, list); + } + + [Test] + public void ToString_Integers() + { + var list = new RepeatedField<int> { 5, 10, 20 }; + var text = list.ToString(); + Assert.AreEqual("[ 5, 10, 20 ]", text); + } + + [Test] + public void ToString_Strings() + { + var list = new RepeatedField<string> { "x", "y", "z" }; + var text = list.ToString(); + Assert.AreEqual("[ \"x\", \"y\", \"z\" ]", text); + } + + [Test] + public void ToString_Messages() + { + var list = new RepeatedField<TestAllTypes> { new TestAllTypes { SingleDouble = 1.5 }, new TestAllTypes { SingleInt32 = 10 } }; + var text = list.ToString(); + Assert.AreEqual("[ { \"singleDouble\": 1.5 }, { \"singleInt32\": 10 } ]", text); + } + + [Test] + public void ToString_Empty() + { + var list = new RepeatedField<TestAllTypes> { }; + var text = list.ToString(); + Assert.AreEqual("[ ]", text); + } + + [Test] + public void ToString_InvalidElementType() + { + var list = new RepeatedField<decimal> { 15m }; + Assert.Throws<ArgumentException>(() => list.ToString()); + } + + [Test] + public void ToString_Timestamp() + { + var list = new RepeatedField<Timestamp> { Timestamp.FromDateTime(new DateTime(2015, 10, 1, 12, 34, 56, DateTimeKind.Utc)) }; + var text = list.ToString(); + Assert.AreEqual("[ \"2015-10-01T12:34:56Z\" ]", text); + } + + [Test] + public void ToString_Struct() + { + var message = new Struct { Fields = { { "foo", new Value { NumberValue = 20 } } } }; + var list = new RepeatedField<Struct> { message }; + var text = list.ToString(); + Assert.AreEqual(text, "[ { \"foo\": 20 } ]", message.ToString()); + } + } +} |