/* * Copyright (c) 2006-2016, openmetaverse.co * All rights reserved. * * - Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * - Neither the name of the openmetaverse.co nor the names * of its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ using System; using System.Collections; using System.Collections.Generic; using OpenMetaverse; using OpenMetaverse.Packets; using OpenMetaverse.StructuredData; using NUnit.Framework; namespace OpenMetaverse.Tests { [TestFixture] public class TypeTests : Assert { [Test] public void UUIDs() { // Creation UUID a = new UUID(); byte[] bytes = a.GetBytes(); for (int i = 0; i < 16; i++) Assert.IsTrue(bytes[i] == 0x00); // Comparison a = new UUID(new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0xFF, 0xFF }, 0); UUID b = new UUID(new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }, 0); Assert.IsTrue(a == b, "UUID comparison operator failed, " + a.ToString() + " should equal " + b.ToString()); // From string a = new UUID(new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }, 0); string zeroonetwo = "00010203-0405-0607-0809-0a0b0c0d0e0f"; b = new UUID(zeroonetwo); Assert.IsTrue(a == b, "UUID hyphenated string constructor failed, should have " + a.ToString() + " but we got " + b.ToString()); // ToString() Assert.IsTrue(a == b); Assert.IsTrue(a == (UUID)zeroonetwo); // TODO: CRC test } [Test] public void Vector3ApproxEquals() { Vector3 a = new Vector3(1f, 0f, 0f); Vector3 b = new Vector3(0f, 0f, 0f); Assert.IsFalse(a.ApproxEquals(b, 0.9f), "ApproxEquals failed (1)"); Assert.IsTrue(a.ApproxEquals(b, 1.0f), "ApproxEquals failed (2)"); a = new Vector3(-1f, 0f, 0f); b = new Vector3(1f, 0f, 0f); Assert.IsFalse(a.ApproxEquals(b, 1.9f), "ApproxEquals failed (3)"); Assert.IsTrue(a.ApproxEquals(b, 2.0f), "ApproxEquals failed (4)"); a = new Vector3(0f, -1f, 0f); b = new Vector3(0f, -1.1f, 0f); Assert.IsFalse(a.ApproxEquals(b, 0.09f), "ApproxEquals failed (5)"); Assert.IsTrue(a.ApproxEquals(b, 0.11f), "ApproxEquals failed (6)"); a = new Vector3(0f, 0f, 0.00001f); b = new Vector3(0f, 0f, 0f); Assert.IsFalse(b.ApproxEquals(a, Single.Epsilon), "ApproxEquals failed (6)"); Assert.IsTrue(b.ApproxEquals(a, 0.0001f), "ApproxEquals failed (7)"); } [Test] public void VectorCasting() { Dictionary testNumbers; testNumbers = new Dictionary(); testNumbers["1.0"] = 1.0; testNumbers["1.1"] = 1.1; testNumbers["1.01"] = 1.01; testNumbers["1.001"] = 1.001; testNumbers["1.0001"] = 1.0001; testNumbers["1.00001"] = 1.00001; testNumbers["1.000001"] = 1.000001; testNumbers["1.0000001"] = 1.0000001; testNumbers["1.00000001"] = 1.00000001; foreach (KeyValuePair kvp in testNumbers) { double testNumber = kvp.Value; double testNumber2 = (double)((float)testNumber); bool noPrecisionLoss = testNumber == testNumber2; Vector3 a = new Vector3( (float)testNumber, (float)testNumber, (float)testNumber); Vector3d b = new Vector3d(testNumber, testNumber, testNumber); Vector3 c = (Vector3)b; Vector3d d = a; if (noPrecisionLoss) { Console.Error.WriteLine("Unsuitable test value used-" + " test number should have precision loss when" + " cast to float ({0}).", kvp.Key); } else { Assert.IsFalse(a == b, string.Format( "Vector casting failed, precision loss should" + " have occurred. " + "{0}: {1}, {2}", kvp.Key, a.X, b.X)); Assert.IsFalse(b == d, string.Format( "Vector casting failed, explicit cast of double" + " to float should result in precision loss" + " whichwas should not magically disappear when" + " Vector3 is implicitly cast to Vector3d." + " {0}: {1}, {2}", kvp.Key, b.X, d.X)); } Assert.IsTrue(a == c, string.Format( "Vector casting failed, Vector3 compared to" + " explicit cast of Vector3d to Vector3 should" + " result in identical precision loss." + " {0}: {1}, {2}", kvp.Key, a.X, c.X)); Assert.IsTrue(a == d, string.Format( "Vector casting failed, implicit cast of Vector3" + " to Vector3d should not result in precision loss." + " {0}: {1}, {2}", kvp.Key, a.X, d.X)); } } [Test] public void Quaternions() { Quaternion a = new Quaternion(1, 0, 0, 0); Quaternion b = new Quaternion(1, 0, 0, 0); Assert.IsTrue(a == b, "Quaternion comparison operator failed"); Quaternion expected = new Quaternion(0, 0, 0, -1); Quaternion result = a * b; Assert.IsTrue(result == expected, a.ToString() + " * " + b.ToString() + " produced " + result.ToString() + " instead of " + expected.ToString()); a = new Quaternion(1, 0, 0, 0); b = new Quaternion(0, 1, 0, 0); expected = new Quaternion(0, 0, 1, 0); result = a * b; Assert.IsTrue(result == expected, a.ToString() + " * " + b.ToString() + " produced " + result.ToString() + " instead of " + expected.ToString()); a = new Quaternion(0, 0, 1, 0); b = new Quaternion(0, 1, 0, 0); expected = new Quaternion(-1, 0, 0, 0); result = a * b; Assert.IsTrue(result == expected, a.ToString() + " * " + b.ToString() + " produced " + result.ToString() + " instead of " + expected.ToString()); } [Test] public void testMatrix() { Matrix4 matrix = new Matrix4(0, 0, 74, 1, 0, 435, 0, 1, 345, 0, 34, 1, 0, 0, 0, 0); /* determinant of singular matrix returns zero */ Assert.AreEqual(0d, (double)matrix.Determinant(), 0.001d); /* inverse of identity matrix is the identity matrix */ Assert.IsTrue(Matrix4.Identity == Matrix4.Inverse(Matrix4.Identity)); /* inverse of non-singular matrix returns True And InverseMatrix */ matrix = new Matrix4(1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1); Matrix4 expectedInverse = new Matrix4(0, 1,-1, 0, 1,-1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 1); Assert.AreEqual(expectedInverse, Matrix4.Inverse(matrix)); } //[Test] //public void VectorQuaternionMath() //{ // // Convert a vector to a quaternion and back // Vector3 a = new Vector3(1f, 0.5f, 0.75f); // Quaternion b = a.ToQuaternion(); // Vector3 c; // b.GetEulerAngles(out c.X, out c.Y, out c.Z); // Assert.IsTrue(a == c, c.ToString() + " does not equal " + a.ToString()); //} [Test] public void FloatsToTerseStrings() { float f = 1.20f; string a = String.Empty; string b = "1.2"; a = Helpers.FloatToTerseString(f); Assert.IsTrue(a == b, f.ToString() + " converted to " + a + ", expecting " + b); f = 24.00f; b = "24"; a = Helpers.FloatToTerseString(f); Assert.IsTrue(a == b, f.ToString() + " converted to " + a + ", expecting " + b); f = -0.59f; b = "-.59"; a = Helpers.FloatToTerseString(f); Assert.IsTrue(a == b, f.ToString() + " converted to " + a + ", expecting " + b); f = 0.59f; b = ".59"; a = Helpers.FloatToTerseString(f); Assert.IsTrue(a == b, f.ToString() + " converted to " + a + ", expecting " + b); } [Test] public void BitUnpacking() { byte[] data = new byte[] { 0x80, 0x00, 0x0F, 0x50, 0x83, 0x7D }; BitPack bitpacker = new BitPack(data, 0); int b = bitpacker.UnpackBits(1); Assert.IsTrue(b == 1, "Unpacked " + b + " instead of 1"); b = bitpacker.UnpackBits(1); Assert.IsTrue(b == 0, "Unpacked " + b + " instead of 0"); bitpacker = new BitPack(data, 2); b = bitpacker.UnpackBits(4); Assert.IsTrue(b == 0, "Unpacked " + b + " instead of 0"); b = bitpacker.UnpackBits(8); Assert.IsTrue(b == 0xF5, "Unpacked " + b + " instead of 0xF5"); b = bitpacker.UnpackBits(4); Assert.IsTrue(b == 0, "Unpacked " + b + " instead of 0"); b = bitpacker.UnpackBits(10); Assert.IsTrue(b == 0x0183, "Unpacked " + b + " instead of 0x0183"); } [Test] public void BitPacking() { byte[] packedBytes = new byte[12]; BitPack bitpacker = new BitPack(packedBytes, 0); bitpacker.PackBits(0x0ABBCCDD, 32); bitpacker.PackBits(25, 5); bitpacker.PackFloat(123.321f); bitpacker.PackBits(1000, 16); bitpacker = new BitPack(packedBytes, 0); int b = bitpacker.UnpackBits(32); Assert.IsTrue(b == 0x0ABBCCDD, "Unpacked " + b + " instead of 2864434397"); b = bitpacker.UnpackBits(5); Assert.IsTrue(b == 25, "Unpacked " + b + " instead of 25"); float f = bitpacker.UnpackFloat(); Assert.IsTrue(f == 123.321f, "Unpacked " + f + " instead of 123.321"); b = bitpacker.UnpackBits(16); Assert.IsTrue(b == 1000, "Unpacked " + b + " instead of 1000"); packedBytes = new byte[1]; bitpacker = new BitPack(packedBytes, 0); bitpacker.PackBit(true); bitpacker = new BitPack(packedBytes, 0); b = bitpacker.UnpackBits(1); Assert.IsTrue(b == 1, "Unpacked " + b + " instead of 1"); packedBytes = new byte[1] { Byte.MaxValue }; bitpacker = new BitPack(packedBytes, 0); bitpacker.PackBit(false); bitpacker = new BitPack(packedBytes, 0); b = bitpacker.UnpackBits(1); Assert.IsTrue(b == 0, "Unpacked " + b + " instead of 0"); } [Test] public void LLSDTerseParsing() { string testOne = "[r0.99967899999999998428,r-0.025334599999999998787,r0]"; string testTwo = "[[r1,r1,r1],r0]"; string testThree = "{'region_handle':[r255232, r256512], 'position':[r33.6, r33.71, r43.13], 'look_at':[r34.6, r33.71, r43.13]}"; OSD obj = OSDParser.DeserializeLLSDNotation(testOne); Assert.IsInstanceOf(obj, "Expected SDArray, got " + obj.GetType().ToString()); OSDArray array = (OSDArray)obj; Assert.IsTrue(array.Count == 3, "Expected three contained objects, got " + array.Count); Assert.IsTrue(array[0].AsReal() > 0.9d && array[0].AsReal() < 1.0d, "Unexpected value for first real " + array[0].AsReal()); Assert.IsTrue(array[1].AsReal() < 0.0d && array[1].AsReal() > -0.03d, "Unexpected value for second real " + array[1].AsReal()); Assert.IsTrue(array[2].AsReal() == 0.0d, "Unexpected value for third real " + array[2].AsReal()); obj = OSDParser.DeserializeLLSDNotation(testTwo); Assert.IsInstanceOf(obj, "Expected SDArray, got " + obj.GetType().ToString()); array = (OSDArray)obj; Assert.IsTrue(array.Count == 2, "Expected two contained objects, got " + array.Count); Assert.IsTrue(array[1].AsReal() == 0.0d, "Unexpected value for real " + array[1].AsReal()); obj = array[0]; Assert.IsInstanceOf(obj, "Expected ArrayList, got " + obj.GetType().ToString()); array = (OSDArray)obj; Assert.IsTrue(array[0].AsReal() == 1.0d && array[1].AsReal() == 1.0d && array[2].AsReal() == 1.0d, "Unexpected value(s) for nested array: " + array[0].AsReal() + ", " + array[1].AsReal() + ", " + array[2].AsReal()); obj = OSDParser.DeserializeLLSDNotation(testThree); Assert.IsInstanceOf(obj, "Expected LLSDMap, got " + obj.GetType().ToString()); OSDMap hashtable = (OSDMap)obj; Assert.IsTrue(hashtable.Count == 3, "Expected three contained objects, got " + hashtable.Count); Assert.IsInstanceOf(hashtable["region_handle"]); Assert.IsTrue(((OSDArray)hashtable["region_handle"]).Count == 2); Assert.IsInstanceOf(hashtable["position"]); Assert.IsTrue(((OSDArray)hashtable["position"]).Count == 3); Assert.IsInstanceOf(hashtable["look_at"]); Assert.IsTrue(((OSDArray)hashtable["look_at"]).Count == 3); } } }