273 lines
9.0 KiB
C#
273 lines
9.0 KiB
C#
/*
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* Copyright 2014 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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namespace FlatBuffers.Test
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{
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public class ByteBufferTests
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{
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public void ByteBuffer_Length_MatchesBufferLength()
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{
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var buffer = new byte[1000];
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var uut = new ByteBuffer(buffer);
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Assert.AreEqual(buffer.Length, uut.Length);
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}
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public void ByteBuffer_PutBytePopulatesBufferAtZeroOffset()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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uut.PutByte(0, (byte)99);
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Assert.AreEqual((byte)99, buffer[0]);
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}
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public void ByteBuffer_PutByteCannotPutAtOffsetPastLength()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutByte(1, 99));
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}
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public void ByteBuffer_PutShortPopulatesBufferCorrectly()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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uut.PutShort(0, (short)1);
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// Ensure Endianness was written correctly
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Assert.AreEqual((byte)1, buffer[0]);
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Assert.AreEqual((byte)0, buffer[1]);
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}
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public void ByteBuffer_PutShortCannotPutAtOffsetPastLength()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(2, 99));
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}
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public void ByteBuffer_PutShortChecksLength()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(0, 99));
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}
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public void ByteBuffer_PutShortChecksLengthAndOffset()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(1, 99));
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}
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public void ByteBuffer_PutIntPopulatesBufferCorrectly()
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{
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var buffer = new byte[4];
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var uut = new ByteBuffer(buffer);
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uut.PutInt(0, 0x0A0B0C0D);
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// Ensure Endianness was written correctly
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Assert.AreEqual(0x0D, buffer[0]);
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Assert.AreEqual(0x0C, buffer[1]);
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Assert.AreEqual(0x0B, buffer[2]);
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Assert.AreEqual(0x0A, buffer[3]);
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}
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public void ByteBuffer_PutIntCannotPutAtOffsetPastLength()
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{
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var buffer = new byte[4];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
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}
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public void ByteBuffer_PutIntChecksLength()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(0, 0x0A0B0C0D));
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}
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public void ByteBuffer_PutIntChecksLengthAndOffset()
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{
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var buffer = new byte[4];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
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}
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public void ByteBuffer_PutLongPopulatesBufferCorrectly()
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{
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var buffer = new byte[8];
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var uut = new ByteBuffer(buffer);
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uut.PutLong(0, 0x010203040A0B0C0D);
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// Ensure Endianness was written correctly
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Assert.AreEqual(0x0D, buffer[0]);
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Assert.AreEqual(0x0C, buffer[1]);
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Assert.AreEqual(0x0B, buffer[2]);
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Assert.AreEqual(0x0A, buffer[3]);
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Assert.AreEqual(0x04, buffer[4]);
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Assert.AreEqual(0x03, buffer[5]);
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Assert.AreEqual(0x02, buffer[6]);
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Assert.AreEqual(0x01, buffer[7]);
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}
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public void ByteBuffer_PutLongCannotPutAtOffsetPastLength()
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{
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var buffer = new byte[8];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
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}
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public void ByteBuffer_PutLongChecksLength()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(0, 0x010203040A0B0C0D));
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}
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public void ByteBuffer_PutLongChecksLengthAndOffset()
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{
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var buffer = new byte[8];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
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}
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public void ByteBuffer_GetByteReturnsCorrectData()
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{
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var buffer = new byte[1];
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buffer[0] = 99;
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var uut = new ByteBuffer(buffer);
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Assert.AreEqual((byte)99, uut.Get(0));
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}
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public void ByteBuffer_GetByteChecksOffset()
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{
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var buffer = new byte[1];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(()=>uut.Get(1));
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}
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public void ByteBuffer_GetShortReturnsCorrectData()
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{
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var buffer = new byte[2];
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buffer[0] = 1;
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buffer[1] = 0;
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var uut = new ByteBuffer(buffer);
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Assert.AreEqual(1, uut.GetShort(0));
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}
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public void ByteBuffer_GetShortChecksOffset()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(2));
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}
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public void ByteBuffer_GetShortChecksLength()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(1));
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}
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public void ByteBuffer_GetIntReturnsCorrectData()
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{
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var buffer = new byte[4];
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buffer[0] = 0x0D;
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buffer[1] = 0x0C;
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buffer[2] = 0x0B;
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buffer[3] = 0x0A;
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var uut = new ByteBuffer(buffer);
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Assert.AreEqual(0x0A0B0C0D, uut.GetInt(0));
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}
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public void ByteBuffer_GetIntChecksOffset()
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{
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var buffer = new byte[4];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(4));
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}
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public void ByteBuffer_GetIntChecksLength()
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{
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var buffer = new byte[2];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(0));
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}
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public void ByteBuffer_GetLongReturnsCorrectData()
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{
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var buffer = new byte[8];
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buffer[0] = 0x0D;
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buffer[1] = 0x0C;
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buffer[2] = 0x0B;
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buffer[3] = 0x0A;
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buffer[4] = 0x04;
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buffer[5] = 0x03;
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buffer[6] = 0x02;
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buffer[7] = 0x01;
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var uut = new ByteBuffer(buffer);
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Assert.AreEqual(0x010203040A0B0C0D, uut.GetLong(0));
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}
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public void ByteBuffer_GetLongChecksOffset()
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{
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var buffer = new byte[8];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(8));
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}
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public void ByteBuffer_GetLongChecksLength()
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{
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var buffer = new byte[7];
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var uut = new ByteBuffer(buffer);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(0));
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}
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public void ByteBuffer_ReverseBytesUshort()
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{
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ushort original = (ushort)0x1234U;
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ushort reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0x3412U, reverse);
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ushort rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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public void ByteBuffer_ReverseBytesUint()
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{
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uint original = 0x12345678;
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uint reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0x78563412U, reverse);
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uint rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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public void ByteBuffer_ReverseBytesUlong()
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{
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ulong original = 0x1234567890ABCDEFUL;
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ulong reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0xEFCDAB9078563412UL, reverse);
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ulong rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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}
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}
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