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using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Framework;
using Google.ProtocolBuffers.TestProtos;
namespace Google.ProtocolBuffers
{
[TestFixture]
public class ReusableBuilderTest
{
[Test]
public void TestUnmodifiedDefaultInstance()
{
//Simply calling ToBuilder().Build() no longer creates a copy of the message
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void BuildMultipleWithoutChange()
{
//Calling Build() or BuildPartial() does not require a copy of the message
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
builder.SetDefaultBool(true);
TestAllTypes first = builder.BuildPartial();
//Still the same instance?
Assert.IsTrue(ReferenceEquals(first, builder.Build()));
//Still the same instance?
Assert.IsTrue(ReferenceEquals(first, builder.BuildPartial().ToBuilder().Build()));
}
[Test]
public void MergeFromDefaultInstance()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.MergeFrom(TestAllTypes.DefaultInstance);
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void BuildNewBuilderIsDefaultInstance()
{
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, new TestAllTypes.Builder().Build()));
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, TestAllTypes.CreateBuilder().Build()));
//last test, if you clear a builder it reverts to default instance
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance,
TestAllTypes.CreateBuilder().SetOptionalBool(true).Build().ToBuilder().Clear().Build()));
}
[Test]
public void CloneOnChangePrimitive()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.SetDefaultBool(true);
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnAddRepeatedBool()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.AddRepeatedBool(true);
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnChangeMessage()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.SetOptionalForeignMessage(new ForeignMessage.Builder());
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnClearMessage()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.ClearOptionalForeignMessage();
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnAddRepeatedForeignMessage()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.AddRepeatedForeignMessage(ForeignMessage.DefaultInstance);
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnChangeEnumValue()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.SetOptionalForeignEnum(ForeignEnum.FOREIGN_BAR);
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
[Test]
public void CloneOnAddRepeatedForeignEnum()
{
TestAllTypes.Builder builder = TestAllTypes.DefaultInstance.ToBuilder();
Assert.IsTrue(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
builder.AddRepeatedForeignEnum(ForeignEnum.FOREIGN_BAR);
Assert.IsFalse(ReferenceEquals(TestAllTypes.DefaultInstance, builder.Build()));
}
}
}
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