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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// 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.
using System.Text;
using NUnit.Framework;
namespace Google.ProtocolBuffers {
[TestFixture]
public class ByteStringTest {
[Test]
public void EmptyByteStringHasZeroSize() {
Assert.AreEqual(0, ByteString.Empty.Length);
}
[Test]
public void CopyFromStringWithExplicitEncoding() {
ByteString bs = ByteString.CopyFrom("AB", Encoding.Unicode);
Assert.AreEqual(4, bs.Length);
Assert.AreEqual(65, bs[0]);
Assert.AreEqual(0, bs[1]);
Assert.AreEqual(66, bs[2]);
Assert.AreEqual(0, bs[3]);
}
[Test]
public void IsEmptyWhenEmpty() {
Assert.IsTrue(ByteString.CopyFromUtf8("").IsEmpty);
}
[Test]
public void IsEmptyWhenNotEmpty() {
Assert.IsFalse(ByteString.CopyFromUtf8("X").IsEmpty);
}
[Test]
public void CopyFromByteArrayCopiesContents() {
byte[] data = new byte[1];
data[0] = 10;
ByteString bs = ByteString.CopyFrom(data);
Assert.AreEqual(10, bs[0]);
data[0] = 5;
Assert.AreEqual(10, bs[0]);
}
[Test]
public void ToByteArrayCopiesContents() {
ByteString bs = ByteString.CopyFromUtf8("Hello");
byte[] data = bs.ToByteArray();
Assert.AreEqual('H', data[0]);
Assert.AreEqual('H', bs[0]);
data[0] = 0;
Assert.AreEqual(0, data[0]);
Assert.AreEqual('H', bs[0]);
}
[Test]
public void CopyFromUtf8UsesUtf8() {
ByteString bs = ByteString.CopyFromUtf8("\u20ac");
Assert.AreEqual(3, bs.Length);
Assert.AreEqual(0xe2, bs[0]);
Assert.AreEqual(0x82, bs[1]);
Assert.AreEqual(0xac, bs[2]);
}
[Test]
public void CopyFromPortion() {
byte[] data = new byte[]{0, 1, 2, 3, 4, 5, 6};
ByteString bs = ByteString.CopyFrom(data, 2, 3);
Assert.AreEqual(3, bs.Length);
Assert.AreEqual(2, bs[0]);
Assert.AreEqual(3, bs[1]);
}
[Test]
public void ToStringUtf8() {
ByteString bs = ByteString.CopyFromUtf8("\u20ac");
Assert.AreEqual("\u20ac", bs.ToStringUtf8());
}
[Test]
public void ToStringWithExplicitEncoding() {
ByteString bs = ByteString.CopyFrom("\u20ac", Encoding.Unicode);
Assert.AreEqual("\u20ac", bs.ToString(Encoding.Unicode));
}
}
}
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