613 lines
18 KiB
C#
613 lines
18 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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[FlatBuffersTestClass]
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public class ByteBufferTests
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{
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[FlatBuffersTestMethod]
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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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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutByteCannotPutAtOffsetPastLength()
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{
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var uut = new ByteBuffer(1);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutByte(1, 99));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutShortCannotPutAtOffsetPastLength()
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{
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var uut = new ByteBuffer(2);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(2, 99));
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}
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#endif
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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutShortChecksLength()
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{
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var uut = new ByteBuffer(1);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(0, 99));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutShortChecksLengthAndOffset()
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{
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var uut = new ByteBuffer(2);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(1, 99));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutIntCannotPutAtOffsetPastLength()
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{
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var uut = new ByteBuffer(4);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutIntChecksLength()
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{
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var uut = new ByteBuffer(1);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(0, 0x0A0B0C0D));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutIntChecksLengthAndOffset()
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{
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var uut = new ByteBuffer(4);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutLongCannotPutAtOffsetPastLength()
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{
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var uut = new ByteBuffer(8);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutLongChecksLength()
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{
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var uut = new ByteBuffer(1);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(0, 0x010203040A0B0C0D));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_PutLongChecksLengthAndOffset()
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{
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var uut = new ByteBuffer(8);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetByteChecksOffset()
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{
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var uut = new ByteBuffer(1);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.Get(1));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetShortChecksOffset()
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{
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var uut = new ByteBuffer(2);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(2));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetShortChecksLength()
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{
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var uut = new ByteBuffer(2);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(1));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetIntChecksOffset()
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{
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var uut = new ByteBuffer(4);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(4));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetIntChecksLength()
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{
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var uut = new ByteBuffer(2);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(0));
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}
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#endif
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[FlatBuffersTestMethod]
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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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#if !BYTEBUFFER_NO_BOUNDS_CHECK
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetLongChecksOffset()
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{
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var uut = new ByteBuffer(8);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(8));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_GetLongChecksLength()
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{
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var uut = new ByteBuffer(7);
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Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(0));
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}
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#endif
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[FlatBuffersTestMethod]
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public void ByteBuffer_ReverseBytesUshort()
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{
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const ushort original = (ushort)0x1234U;
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var reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0x3412U, reverse);
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var rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_ReverseBytesUint()
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{
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const uint original = 0x12345678;
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var reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0x78563412U, reverse);
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var rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_ReverseBytesUlong()
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{
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const ulong original = 0x1234567890ABCDEFUL;
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var reverse = ByteBuffer.ReverseBytes(original);
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Assert.AreEqual(0xEFCDAB9078563412UL, reverse);
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var rereverse = ByteBuffer.ReverseBytes(reverse);
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Assert.AreEqual(original, rereverse);
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_ToFullArray_MatchesBuffer()
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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.ArrayEqual(buffer, uut.ToFullArray());
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_ToSizedArray_MatchesBuffer()
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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.ArrayEqual(buffer, uut.ToFullArray());
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Duplicate_MatchesBuffer()
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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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// Advance by two bytes
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uut.Position = 2; uut = uut.Duplicate();
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Assert.AreEqual(0x0A0B, uut.GetShort(2));
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// Advance by one more byte
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uut.Position = 1; uut = uut.Duplicate();
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Assert.AreEqual(0x0A, uut.Get(3));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_To_Array_Float()
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{
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const int len = 9;
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// Construct the data array
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var fData = new float[len];
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fData[0] = 1.0079F;
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fData[1] = 4.0026F;
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fData[2] = 6.941F;
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fData[3] = 9.0122F;
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fData[4] = 10.811F;
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fData[5] = 12.0107F;
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fData[6] = 14.0067F;
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fData[7] = 15.9994F;
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fData[8] = 18.9984F;
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// Tranfer it to a byte array
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var buffer = new byte[sizeof(float) * fData.Length];
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Buffer.BlockCopy(fData, 0, buffer, 0, buffer.Length);
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// Create the Byte Buffer from byte array
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var uut = new ByteBuffer(buffer);
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// Get the full array back out and ensure they are equivalent
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var bbArray = uut.ToArray<float>(0, len);
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Assert.ArrayEqual(fData, bbArray);
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// Get a portion of the full array back out and ensure the
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// subrange agrees
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var bbArray2 = uut.ToArray<float>(4, len - 1);
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Assert.AreEqual(bbArray2.Length, len - 1);
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for (int i = 1; i < len - 1; i++)
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{
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Assert.AreEqual(fData[i], bbArray2[i - 1]);
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}
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// Get a sub portion of the full array back out and ensure the
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// subrange agrees
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var bbArray3 = uut.ToArray<float>(8, len - 4);
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Assert.AreEqual(bbArray3.Length, len - 4);
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for (int i = 2; i < len - 4; i++)
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{
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Assert.AreEqual(fData[i], bbArray3[i - 2]);
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}
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}
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public void ByteBuffer_Put_Array_Helper<T>(T[] data, int typeSize)
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where T : struct
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{
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// Create the Byte Buffer
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var uut = new ByteBuffer(1024);
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// Put the data into the buffer and make sure the offset is
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// calculated correctly
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int nOffset = uut.Put(1024, data);
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Assert.AreEqual(1024 - typeSize * data.Length, nOffset);
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// Get the full array back out and ensure they are equivalent
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var bbArray = uut.ToArray<T>(nOffset, data.Length);
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Assert.ArrayEqual(data, bbArray);
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_Float()
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{
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const int len = 9;
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// Construct the data array
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var data = new float[len];
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data[0] = 1.0079F;
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data[1] = 4.0026F;
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data[2] = 6.941F;
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data[3] = 9.0122F;
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data[4] = 10.811F;
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data[5] = 12.0107F;
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data[6] = 14.0067F;
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data[7] = 15.9994F;
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data[8] = 18.9984F;
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ByteBuffer_Put_Array_Helper(data, sizeof(float));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_Double()
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{
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const int len = 9;
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// Construct the data array
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var data = new double[len];
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data[0] = 1.0079;
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data[1] = 4.0026;
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data[2] = 6.941;
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data[3] = 9.0122;
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data[4] = 10.811;
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data[5] = 12.0107;
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data[6] = 14.0067;
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data[7] = 15.9994;
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data[8] = 18.9984;
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ByteBuffer_Put_Array_Helper(data, sizeof(double));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_Int()
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{
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const int len = 9;
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// Construct the data array
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var data = new int[len];
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data[0] = 1;
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data[1] = 4;
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data[2] = 6;
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data[3] = 9;
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data[4] = 10;
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data[5] = 12;
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data[6] = 14;
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data[7] = 15;
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data[8] = 18;
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ByteBuffer_Put_Array_Helper(data, sizeof(int));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_UInt()
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{
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const int len = 9;
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// Construct the data array
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var data = new uint[len];
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data[0] = 1;
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data[1] = 4;
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data[2] = 6;
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data[3] = 9;
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data[4] = 10;
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data[5] = 12;
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data[6] = 14;
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data[7] = 15;
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data[8] = 18;
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ByteBuffer_Put_Array_Helper(data, sizeof(uint));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_Bool()
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{
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const int len = 9;
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// Construct the data array
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var data = new bool[len];
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data[0] = true;
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data[1] = true;
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data[2] = false;
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data[3] = true;
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data[4] = false;
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data[5] = true;
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data[6] = true;
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data[7] = true;
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data[8] = false;
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ByteBuffer_Put_Array_Helper(data, sizeof(bool));
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}
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[FlatBuffersTestMethod]
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public void ByteBuffer_Put_Array_Long()
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{
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const int len = 9;
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// Construct the data array
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var data = new long[len];
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data[0] = 1;
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data[1] = 4;
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data[2] = 6;
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data[3] = 9;
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data[4] = 10;
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data[5] = 12;
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data[6] = 14;
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data[7] = 15;
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data[8] = 18;
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|
|
|
ByteBuffer_Put_Array_Helper(data, sizeof(long));
|
|
}
|
|
|
|
[FlatBuffersTestMethod]
|
|
public void ByteBuffer_Put_Array_Byte()
|
|
{
|
|
const int len = 9;
|
|
|
|
// Construct the data array
|
|
var data = new byte[len];
|
|
data[0] = 1;
|
|
data[1] = 4;
|
|
data[2] = 6;
|
|
data[3] = 9;
|
|
data[4] = 10;
|
|
data[5] = 12;
|
|
data[6] = 14;
|
|
data[7] = 15;
|
|
data[8] = 18;
|
|
|
|
ByteBuffer_Put_Array_Helper(data, sizeof(byte));
|
|
}
|
|
|
|
[FlatBuffersTestMethod]
|
|
public void ByteBuffer_Put_Array_SByte()
|
|
{
|
|
const int len = 9;
|
|
|
|
// Construct the data array
|
|
var data = new sbyte[len];
|
|
data[0] = 1;
|
|
data[1] = 4;
|
|
data[2] = 6;
|
|
data[3] = 9;
|
|
data[4] = 10;
|
|
data[5] = 12;
|
|
data[6] = 14;
|
|
data[7] = 15;
|
|
data[8] = 18;
|
|
|
|
ByteBuffer_Put_Array_Helper(data, sizeof(sbyte));
|
|
}
|
|
|
|
[FlatBuffersTestMethod]
|
|
public void ByteBuffer_Put_Array_Null_Throws()
|
|
{
|
|
// Create the Byte Buffer
|
|
var uut = new ByteBuffer(1024);
|
|
|
|
// create a null array and try to put it into the buffer
|
|
float[] data = null;
|
|
Assert.Throws<ArgumentNullException>(() => uut.Put(1024, data));
|
|
}
|
|
|
|
[FlatBuffersTestMethod]
|
|
public void ByteBuffer_Put_Array_Empty_Throws()
|
|
{
|
|
// Create the Byte Buffer
|
|
var uut = new ByteBuffer(1024);
|
|
|
|
// create an array of length == 0, and try to put it into the buffer
|
|
float[] data = new float[0];
|
|
Assert.Throws<ArgumentException>(() => uut.Put(1024, data));
|
|
}
|
|
|
|
private struct dummyStruct
|
|
{
|
|
int a;
|
|
float b;
|
|
}
|
|
|
|
[FlatBuffersTestMethod]
|
|
public void ByteBuffer_Put_Array_IncorrectType_Throws()
|
|
{
|
|
// Create the Byte Buffer
|
|
var uut = new ByteBuffer(1024);
|
|
|
|
// Create an array of dummy structures that shouldn't be
|
|
// able to be put into the buffer
|
|
var data = new dummyStruct[10];
|
|
Assert.Throws<ArgumentException>(() => uut.Put(1024, data));
|
|
}
|
|
}
|
|
}
|