Squashed 'third_party/flatbuffers/' content from commit acc9990ab
Change-Id: I48550d40d78fea996ebe74e9723a5d1f910de491
git-subtree-dir: third_party/flatbuffers
git-subtree-split: acc9990abd2206491480291b0f85f925110102ea
diff --git a/tests/FlatBuffers.Test/ByteBufferTests.cs b/tests/FlatBuffers.Test/ByteBufferTests.cs
new file mode 100644
index 0000000..1c33a2f
--- /dev/null
+++ b/tests/FlatBuffers.Test/ByteBufferTests.cs
@@ -0,0 +1,612 @@
+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * 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;
+
+namespace FlatBuffers.Test
+{
+ [FlatBuffersTestClass]
+ public class ByteBufferTests
+ {
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Length_MatchesBufferLength()
+ {
+ var buffer = new byte[1000];
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual(buffer.Length, uut.Length);
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutBytePopulatesBufferAtZeroOffset()
+ {
+ var buffer = new byte[1];
+ var uut = new ByteBuffer(buffer);
+ uut.PutByte(0, (byte)99);
+
+ Assert.AreEqual((byte)99, buffer[0]);
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutByteCannotPutAtOffsetPastLength()
+ {
+ var uut = new ByteBuffer(1);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutByte(1, 99));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutShortPopulatesBufferCorrectly()
+ {
+ var buffer = new byte[2];
+ var uut = new ByteBuffer(buffer);
+ uut.PutShort(0, (short)1);
+
+ // Ensure Endianness was written correctly
+ Assert.AreEqual((byte)1, buffer[0]);
+ Assert.AreEqual((byte)0, buffer[1]);
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutShortCannotPutAtOffsetPastLength()
+ {
+ var uut = new ByteBuffer(2);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(2, 99));
+ }
+#endif
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutShortChecksLength()
+ {
+ var uut = new ByteBuffer(1);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(0, 99));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutShortChecksLengthAndOffset()
+ {
+ var uut = new ByteBuffer(2);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(1, 99));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutIntPopulatesBufferCorrectly()
+ {
+ var buffer = new byte[4];
+ var uut = new ByteBuffer(buffer);
+ uut.PutInt(0, 0x0A0B0C0D);
+
+ // Ensure Endianness was written correctly
+ Assert.AreEqual(0x0D, buffer[0]);
+ Assert.AreEqual(0x0C, buffer[1]);
+ Assert.AreEqual(0x0B, buffer[2]);
+ Assert.AreEqual(0x0A, buffer[3]);
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutIntCannotPutAtOffsetPastLength()
+ {
+ var uut = new ByteBuffer(4);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutIntChecksLength()
+ {
+ var uut = new ByteBuffer(1);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(0, 0x0A0B0C0D));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutIntChecksLengthAndOffset()
+ {
+ var uut = new ByteBuffer(4);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutLongPopulatesBufferCorrectly()
+ {
+ var buffer = new byte[8];
+ var uut = new ByteBuffer(buffer);
+ uut.PutLong(0, 0x010203040A0B0C0D);
+
+ // Ensure Endianness was written correctly
+ Assert.AreEqual(0x0D, buffer[0]);
+ Assert.AreEqual(0x0C, buffer[1]);
+ Assert.AreEqual(0x0B, buffer[2]);
+ Assert.AreEqual(0x0A, buffer[3]);
+ Assert.AreEqual(0x04, buffer[4]);
+ Assert.AreEqual(0x03, buffer[5]);
+ Assert.AreEqual(0x02, buffer[6]);
+ Assert.AreEqual(0x01, buffer[7]);
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutLongCannotPutAtOffsetPastLength()
+ {
+ var uut = new ByteBuffer(8);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutLongChecksLength()
+ {
+ var uut = new ByteBuffer(1);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(0, 0x010203040A0B0C0D));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_PutLongChecksLengthAndOffset()
+ {
+ var uut = new ByteBuffer(8);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetByteReturnsCorrectData()
+ {
+ var buffer = new byte[1];
+ buffer[0] = 99;
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual((byte)99, uut.Get(0));
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetByteChecksOffset()
+ {
+ var uut = new ByteBuffer(1);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.Get(1));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetShortReturnsCorrectData()
+ {
+ var buffer = new byte[2];
+ buffer[0] = 1;
+ buffer[1] = 0;
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual(1, uut.GetShort(0));
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetShortChecksOffset()
+ {
+ var uut = new ByteBuffer(2);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(2));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetShortChecksLength()
+ {
+ var uut = new ByteBuffer(2);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(1));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetIntReturnsCorrectData()
+ {
+ var buffer = new byte[4];
+ buffer[0] = 0x0D;
+ buffer[1] = 0x0C;
+ buffer[2] = 0x0B;
+ buffer[3] = 0x0A;
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual(0x0A0B0C0D, uut.GetInt(0));
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetIntChecksOffset()
+ {
+ var uut = new ByteBuffer(4);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(4));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetIntChecksLength()
+ {
+ var uut = new ByteBuffer(2);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(0));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetLongReturnsCorrectData()
+ {
+ var buffer = new byte[8];
+ buffer[0] = 0x0D;
+ buffer[1] = 0x0C;
+ buffer[2] = 0x0B;
+ buffer[3] = 0x0A;
+ buffer[4] = 0x04;
+ buffer[5] = 0x03;
+ buffer[6] = 0x02;
+ buffer[7] = 0x01;
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual(0x010203040A0B0C0D, uut.GetLong(0));
+ }
+
+#if !BYTEBUFFER_NO_BOUNDS_CHECK
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetLongChecksOffset()
+ {
+ var uut = new ByteBuffer(8);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(8));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_GetLongChecksLength()
+ {
+ var uut = new ByteBuffer(7);
+ Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(0));
+ }
+#endif
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_ReverseBytesUshort()
+ {
+ const ushort original = (ushort)0x1234U;
+ var reverse = ByteBuffer.ReverseBytes(original);
+ Assert.AreEqual(0x3412U, reverse);
+
+ var rereverse = ByteBuffer.ReverseBytes(reverse);
+ Assert.AreEqual(original, rereverse);
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_ReverseBytesUint()
+ {
+ const uint original = 0x12345678;
+ var reverse = ByteBuffer.ReverseBytes(original);
+ Assert.AreEqual(0x78563412U, reverse);
+
+ var rereverse = ByteBuffer.ReverseBytes(reverse);
+ Assert.AreEqual(original, rereverse);
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_ReverseBytesUlong()
+ {
+ const ulong original = 0x1234567890ABCDEFUL;
+ var reverse = ByteBuffer.ReverseBytes(original);
+ Assert.AreEqual(0xEFCDAB9078563412UL, reverse);
+
+ var rereverse = ByteBuffer.ReverseBytes(reverse);
+ Assert.AreEqual(original, rereverse);
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_ToFullArray_MatchesBuffer()
+ {
+ var buffer = new byte[4];
+ buffer[0] = 0x0D;
+ buffer[1] = 0x0C;
+ buffer[2] = 0x0B;
+ buffer[3] = 0x0A;
+ var uut = new ByteBuffer(buffer);
+ Assert.ArrayEqual(buffer, uut.ToFullArray());
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_ToSizedArray_MatchesBuffer()
+ {
+ var buffer = new byte[4];
+ buffer[0] = 0x0D;
+ buffer[1] = 0x0C;
+ buffer[2] = 0x0B;
+ buffer[3] = 0x0A;
+ var uut = new ByteBuffer(buffer);
+ Assert.ArrayEqual(buffer, uut.ToFullArray());
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Duplicate_MatchesBuffer()
+ {
+ var buffer = new byte[4];
+ buffer[0] = 0x0D;
+ buffer[1] = 0x0C;
+ buffer[2] = 0x0B;
+ buffer[3] = 0x0A;
+ var uut = new ByteBuffer(buffer);
+ Assert.AreEqual(0x0A0B0C0D, uut.GetInt(0));
+
+ // Advance by two bytes
+ uut.Position = 2; uut = uut.Duplicate();
+ Assert.AreEqual(0x0A0B, uut.GetShort(2));
+
+ // Advance by one more byte
+ uut.Position = 1; uut = uut.Duplicate();
+ Assert.AreEqual(0x0A, uut.Get(3));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_To_Array_Float()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var fData = new float[len];
+ fData[0] = 1.0079F;
+ fData[1] = 4.0026F;
+ fData[2] = 6.941F;
+ fData[3] = 9.0122F;
+ fData[4] = 10.811F;
+ fData[5] = 12.0107F;
+ fData[6] = 14.0067F;
+ fData[7] = 15.9994F;
+ fData[8] = 18.9984F;
+
+ // Tranfer it to a byte array
+ var buffer = new byte[sizeof(float) * fData.Length];
+ Buffer.BlockCopy(fData, 0, buffer, 0, buffer.Length);
+
+ // Create the Byte Buffer from byte array
+ var uut = new ByteBuffer(buffer);
+
+ // Get the full array back out and ensure they are equivalent
+ var bbArray = uut.ToArray<float>(0, len);
+ Assert.ArrayEqual(fData, bbArray);
+
+ // Get a portion of the full array back out and ensure the
+ // subrange agrees
+ var bbArray2 = uut.ToArray<float>(4, len - 1);
+ Assert.AreEqual(bbArray2.Length, len - 1);
+ for (int i = 1; i < len - 1; i++)
+ {
+ Assert.AreEqual(fData[i], bbArray2[i - 1]);
+ }
+
+ // Get a sub portion of the full array back out and ensure the
+ // subrange agrees
+ var bbArray3 = uut.ToArray<float>(8, len - 4);
+ Assert.AreEqual(bbArray3.Length, len - 4);
+ for (int i = 2; i < len - 4; i++)
+ {
+ Assert.AreEqual(fData[i], bbArray3[i - 2]);
+ }
+ }
+
+ public void ByteBuffer_Put_Array_Helper<T>(T[] data, int typeSize)
+ where T : struct
+ {
+ // Create the Byte Buffer
+ var uut = new ByteBuffer(1024);
+
+ // Put the data into the buffer and make sure the offset is
+ // calculated correctly
+ int nOffset = uut.Put(1024, data);
+ Assert.AreEqual(1024 - typeSize * data.Length, nOffset);
+
+ // Get the full array back out and ensure they are equivalent
+ var bbArray = uut.ToArray<T>(nOffset, data.Length);
+ Assert.ArrayEqual(data, bbArray);
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_Float()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new float[len];
+ data[0] = 1.0079F;
+ data[1] = 4.0026F;
+ data[2] = 6.941F;
+ data[3] = 9.0122F;
+ data[4] = 10.811F;
+ data[5] = 12.0107F;
+ data[6] = 14.0067F;
+ data[7] = 15.9994F;
+ data[8] = 18.9984F;
+
+ ByteBuffer_Put_Array_Helper(data, sizeof(float));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_Double()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new double[len];
+ data[0] = 1.0079;
+ data[1] = 4.0026;
+ data[2] = 6.941;
+ data[3] = 9.0122;
+ data[4] = 10.811;
+ data[5] = 12.0107;
+ data[6] = 14.0067;
+ data[7] = 15.9994;
+ data[8] = 18.9984;
+
+ ByteBuffer_Put_Array_Helper(data, sizeof(double));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_Int()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new int[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(int));
+ }
+
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_UInt()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new uint[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(uint));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_Bool()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new bool[len];
+ data[0] = true;
+ data[1] = true;
+ data[2] = false;
+ data[3] = true;
+ data[4] = false;
+ data[5] = true;
+ data[6] = true;
+ data[7] = true;
+ data[8] = false;
+
+ ByteBuffer_Put_Array_Helper(data, sizeof(bool));
+ }
+
+ [FlatBuffersTestMethod]
+ public void ByteBuffer_Put_Array_Long()
+ {
+ const int len = 9;
+
+ // Construct the data array
+ var data = new long[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(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));
+ }
+ }
+}