Add some simple vector tests

tests/testvector.cpp

@@ -0,0 +1,46 @@
+/*******************************************************************************
+Copyright (c) 2010 Matt Williams
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+    claim that you wrote the original software. If you use this software
+    in a product, an acknowledgment in the product documentation would be
+    appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must not be
+    misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+    distribution.
+*******************************************************************************/
+
+#include "testvector.h"
+
+#include <Vector.h>
+
+#include <QtTest>
+
+using namespace PolyVox;
+
+void TestVector::testLength()
+{
+	Vector3DInt8 vec(3, 4, 5);
+	QCOMPARE(vec.lengthSquared(), double(3*3+4*4+5*5));
+}
+
+void TestVector::testDotProduct()
+{
+	Vector3DInt8 vecxy(3, 4, 0);
+	Vector3DInt8 vecz(0, 0, 1);
+	
+	QCOMPARE(vecxy.dot(vecz), PolyVox::int8_t(0)); //QCOMPARE is very strict on the types matching
+}
+
+QTEST_MAIN(TestVector)