1 files changed, 244 insertions, 0 deletions
diff --git a/tests/FlatBuffers.Test/ByteBufferTests.cs b/tests/FlatBuffers.Test/ByteBufferTests.cs
new file mode 100644
index 00000000..b3c1811c
--- /dev/null
+++ b/tests/FlatBuffers.Test/ByteBufferTests.cs
@@ -0,0 +1,244 @@
+/*
+ * 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
+{
+    public class ByteBufferTests
+    {
+
+        public void ByteBuffer_Length_MatchesBufferLength()
+        {
+            var buffer = new byte[1000];
+            var uut = new ByteBuffer(buffer);
+            Assert.AreEqual(buffer.Length, uut.Length);
+        }
+
+        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]);
+        }
+
+        public void ByteBuffer_PutByteCannotPutAtOffsetPastLength()
+        {
+            var buffer = new byte[1];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutByte(1, 99));
+        }
+
+        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]);
+        }
+
+        public void ByteBuffer_PutShortCannotPutAtOffsetPastLength()
+        {
+            var buffer = new byte[2];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(2, 99));
+        }
+
+        public void ByteBuffer_PutShortChecksLength()
+        {
+            var buffer = new byte[1];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(0, 99));
+        }
+
+        public void ByteBuffer_PutShortChecksLengthAndOffset()
+        {
+            var buffer = new byte[2];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutShort(1, 99));
+        }
+
+        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]);
+        }
+
+        public void ByteBuffer_PutIntCannotPutAtOffsetPastLength()
+        {
+            var buffer = new byte[4];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
+        }
+
+        public void ByteBuffer_PutIntChecksLength()
+        {
+            var buffer = new byte[1];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(0, 0x0A0B0C0D));
+        }
+
+        public void ByteBuffer_PutIntChecksLengthAndOffset()
+        {
+            var buffer = new byte[4];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutInt(2, 0x0A0B0C0D));
+        }
+
+        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]);
+        }
+
+        public void ByteBuffer_PutLongCannotPutAtOffsetPastLength()
+        {
+            var buffer = new byte[8];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
+        }
+
+        public void ByteBuffer_PutLongChecksLength()
+        {
+            var buffer = new byte[1];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(0, 0x010203040A0B0C0D));
+        }
+
+        public void ByteBuffer_PutLongChecksLengthAndOffset()
+        {
+            var buffer = new byte[8];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.PutLong(2, 0x010203040A0B0C0D));
+        }
+
+        public void ByteBuffer_GetByteReturnsCorrectData()
+        {
+            var buffer = new byte[1];
+            buffer[0] = 99;
+            var uut = new ByteBuffer(buffer);
+            Assert.AreEqual((byte)99, uut.Get(0));
+        }
+
+        public void ByteBuffer_GetByteChecksOffset()
+        {
+            var buffer = new byte[1];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(()=>uut.Get(1));
+        }
+
+        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));
+        }
+
+        public void ByteBuffer_GetShortChecksOffset()
+        {
+            var buffer = new byte[2];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(2));
+        }
+
+        public void ByteBuffer_GetShortChecksLength()
+        {
+            var buffer = new byte[2];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetShort(1));
+        }
+
+        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));
+        }
+
+        public void ByteBuffer_GetIntChecksOffset()
+        {
+            var buffer = new byte[4];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(4));
+        }
+
+        public void ByteBuffer_GetIntChecksLength()
+        {
+            var buffer = new byte[2];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetInt(0));
+        }
+
+        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));
+        }
+
+        public void ByteBuffer_GetLongChecksOffset()
+        {
+            var buffer = new byte[8];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(8));
+        }
+
+        public void ByteBuffer_GetLongChecksLength()
+        {
+            var buffer = new byte[7];
+            var uut = new ByteBuffer(buffer);
+            Assert.Throws<ArgumentOutOfRangeException>(() => uut.GetLong(0));
+        }
+
+    }
+}