diff options
Diffstat (limited to 'csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs')
| -rw-r--r-- | csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs b/csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs index 26165428..f8668662 100644 --- a/csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs +++ b/csharp/src/ProtocolBuffers.Test/GeneratedMessageTest.cs @@ -1,4 +1,5 @@ using System;
+using System.IO;
using Google.Protobuf.TestProtos;
using NUnit.Framework;
@@ -10,6 +11,15 @@ namespace Google.Protobuf public class GeneratedMessageTest
{
[Test]
+ public void EmptyMessageFieldDistinctFromMissingMessageField()
+ {
+ // This demonstrates what we're really interested in...
+ var message1 = new TestAllTypes { SingleForeignMessage = new ForeignMessage() };
+ var message2 = new TestAllTypes(); // SingleForeignMessage is null
+ EqualityTester.AssertInequality(message1, message2);
+ }
+
+ [Test]
public void DefaultValues()
{
// Single fields
@@ -146,6 +156,206 @@ namespace Google.Protobuf Assert.AreEqual(message, parsed);
}
+ // Note that not every map within map_unittest_proto3 is used. They all go through very
+ // similar code paths. The fact that all maps are present is validation that we have codecs
+ // for every type.
+ [Test]
+ public void RoundTrip_Maps()
+ {
+ var message = new TestMap
+ {
+ MapBoolBool = {
+ { false, true },
+ { true, false }
+ },
+ MapInt32Bytes = {
+ { 5, ByteString.CopyFrom(6, 7, 8) },
+ { 25, ByteString.CopyFrom(1, 2, 3, 4, 5) },
+ { 10, ByteString.Empty }
+ },
+ MapInt32ForeignMessage = {
+ { 0, new ForeignMessage { C = 10 } },
+ { 5, null },
+ },
+ MapInt32Enum = {
+ { 1, MapEnum.MAP_ENUM_BAR },
+ { 2000, MapEnum.MAP_ENUM_FOO }
+ }
+ };
+
+ byte[] bytes = message.ToByteArray();
+ TestMap parsed = TestMap.Parser.ParseFrom(bytes);
+ Assert.AreEqual(message, parsed);
+ }
+
+ [Test]
+ public void MapWithEmptyEntry()
+ {
+ var message = new TestMap
+ {
+ MapInt32Bytes = { { 0, ByteString.Empty } }
+ };
+
+ byte[] bytes = message.ToByteArray();
+ Assert.AreEqual(2, bytes.Length); // Tag for field entry (1 byte), length of entry (0; 1 byte)
+
+ var parsed = TestMap.Parser.ParseFrom(bytes);
+ Assert.AreEqual(1, parsed.MapInt32Bytes.Count);
+ Assert.AreEqual(ByteString.Empty, parsed.MapInt32Bytes[0]);
+ }
+
+ [Test]
+ public void MapWithOnlyValue()
+ {
+ // Hand-craft the stream to contain a single entry with just a value.
+ var memoryStream = new MemoryStream();
+ var output = CodedOutputStream.CreateInstance(memoryStream);
+ output.WriteTag(TestMap.MapInt32ForeignMessageFieldNumber, WireFormat.WireType.LengthDelimited);
+ var nestedMessage = new ForeignMessage { C = 20 };
+ // Size of the entry (tag, size written by WriteMessage, data written by WriteMessage)
+ output.WriteRawVarint32((uint)(nestedMessage.CalculateSize() + 3));
+ output.WriteTag(2, WireFormat.WireType.LengthDelimited);
+ output.WriteMessage(nestedMessage);
+ output.Flush();
+
+ var parsed = TestMap.Parser.ParseFrom(memoryStream.ToArray());
+ Assert.AreEqual(nestedMessage, parsed.MapInt32ForeignMessage[0]);
+ }
+
+ [Test]
+ public void MapIgnoresExtraFieldsWithinEntryMessages()
+ {
+ // Hand-craft the stream to contain a single entry with three fields
+ var memoryStream = new MemoryStream();
+ var output = CodedOutputStream.CreateInstance(memoryStream);
+
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+
+ var key = 10; // Field 1
+ var value = 20; // Field 2
+ var extra = 30; // Field 3
+
+ // Each field can be represented in a single byte, with a single byte tag.
+ // Total message size: 6 bytes.
+ output.WriteRawVarint32(6);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value);
+ output.WriteTag(3, WireFormat.WireType.Varint);
+ output.WriteInt32(extra);
+ output.Flush();
+
+ var parsed = TestMap.Parser.ParseFrom(memoryStream.ToArray());
+ Assert.AreEqual(value, parsed.MapInt32Int32[key]);
+ }
+
+ [Test]
+ public void MapFieldOrderIsIrrelevant()
+ {
+ var memoryStream = new MemoryStream();
+ var output = CodedOutputStream.CreateInstance(memoryStream);
+
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+
+ var key = 10;
+ var value = 20;
+
+ // Each field can be represented in a single byte, with a single byte tag.
+ // Total message size: 4 bytes.
+ output.WriteRawVarint32(4);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key);
+ output.Flush();
+
+ var parsed = TestMap.Parser.ParseFrom(memoryStream.ToArray());
+ Assert.AreEqual(value, parsed.MapInt32Int32[key]);
+ }
+
+ [Test]
+ public void MapNonContiguousEntries()
+ {
+ var memoryStream = new MemoryStream();
+ var output = CodedOutputStream.CreateInstance(memoryStream);
+
+ // Message structure:
+ // Entry for MapInt32Int32
+ // Entry for MapStringString
+ // Entry for MapInt32Int32
+
+ // First entry
+ var key1 = 10;
+ var value1 = 20;
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+ output.WriteRawVarint32(4);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key1);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value1);
+
+ // Second entry
+ var key2 = "a";
+ var value2 = "b";
+ output.WriteTag(TestMap.MapStringStringFieldNumber, WireFormat.WireType.LengthDelimited);
+ output.WriteRawVarint32(6); // 3 bytes per entry: tag, size, character
+ output.WriteTag(1, WireFormat.WireType.LengthDelimited);
+ output.WriteString(key2);
+ output.WriteTag(2, WireFormat.WireType.LengthDelimited);
+ output.WriteString(value2);
+
+ // Third entry
+ var key3 = 15;
+ var value3 = 25;
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+ output.WriteRawVarint32(4);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key3);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value3);
+
+ output.Flush();
+ var parsed = TestMap.Parser.ParseFrom(memoryStream.ToArray());
+ var expected = new TestMap
+ {
+ MapInt32Int32 = { { key1, value1 }, { key3, value3 } },
+ MapStringString = { { key2, value2 } }
+ };
+ Assert.AreEqual(expected, parsed);
+ }
+
+ [Test]
+ public void DuplicateKeys_LastEntryWins()
+ {
+ var memoryStream = new MemoryStream();
+ var output = CodedOutputStream.CreateInstance(memoryStream);
+
+ var key = 10;
+ var value1 = 20;
+ var value2 = 30;
+
+ // First entry
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+ output.WriteRawVarint32(4);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value1);
+
+ // Second entry - same key, different value
+ output.WriteTag(TestMap.MapInt32Int32FieldNumber, WireFormat.WireType.LengthDelimited);
+ output.WriteRawVarint32(4);
+ output.WriteTag(1, WireFormat.WireType.Varint);
+ output.WriteInt32(key);
+ output.WriteTag(2, WireFormat.WireType.Varint);
+ output.WriteInt32(value2);
+ output.Flush();
+
+ var parsed = TestMap.Parser.ParseFrom(memoryStream.ToArray());
+ Assert.AreEqual(value2, parsed.MapInt32Int32[key]);
+ }
+
[Test]
public void CloneSingleNonMessageValues()
{
|