Changes in src/unittests/vectorunittest.cpp [27ac00:1513a74]

File:

• src/unittests/vectorunittest.cpp (modified) (1 diff)

src/unittests/vectorunittest.cpp

@@ -216 +216 @@
 }
 
+/** UnitTest for line intersections.
+ */
+void VectorTest::LineIntersectionTest()
+{
+  // plane at (0,0,0) normal to (1,0,0) cuts line from (0,0,0) to (2,1,0) at ???
+  CPPUNIT_ASSERT_NO_THROW(fixture = Plane(unit, zero).GetIntersection(zero, two) );
+  CPPUNIT_ASSERT_EQUAL( zero, fixture );
+
+  // plane at (2,1,0) normal to (0,1,0) cuts line from (1,0,0) to (0,1,1) at ???
+  CPPUNIT_ASSERT_NO_THROW(fixture = Plane(otherunit, two).GetIntersection( unit, notunit) );
+  CPPUNIT_ASSERT_EQUAL( Vector(0., 1., 1.), fixture );
+
+  // four vectors equal to zero
+  CPPUNIT_ASSERT_THROW(fixture = GetIntersectionOfTwoLinesOnPlane(zero, zero, zero, zero), LinearDependenceException);
+  //CPPUNIT_ASSERT_EQUAL( zero, fixture );
+
+  // four vectors equal to unit
+  CPPUNIT_ASSERT_THROW(fixture = GetIntersectionOfTwoLinesOnPlane(unit, unit, unit, unit), LinearDependenceException);
+  //CPPUNIT_ASSERT_EQUAL( zero, fixture );
+
+  // two equal lines
+  CPPUNIT_ASSERT_NO_THROW(fixture = GetIntersectionOfTwoLinesOnPlane(unit, two, unit, two));
+  CPPUNIT_ASSERT_EQUAL( unit, fixture );
+
+  // line from (1,0,0) to (2,1,0) cuts line from (1,0,0) to (0,1,0) at ???
+  CPPUNIT_ASSERT_NO_THROW( fixture = GetIntersectionOfTwoLinesOnPlane(unit, two, unit, otherunit) );
+  CPPUNIT_ASSERT_EQUAL( unit, fixture );
+
+  // line from (1,0,0) to (0,0,0) cuts line from (0,0,0) to (2,1,0) at ???
+  CPPUNIT_ASSERT_NO_THROW( fixture = GetIntersectionOfTwoLinesOnPlane(unit, zero, zero, two) );
+  CPPUNIT_ASSERT_EQUAL( zero, fixture );
+
+  // line from (1,0,0) to (2,1,0) cuts line from (0,0,0) to (0,1,0) at ???
+  CPPUNIT_ASSERT_NO_THROW(fixture = GetIntersectionOfTwoLinesOnPlane(unit, two, zero, otherunit) );
+  CPPUNIT_ASSERT_EQUAL( Vector(0., -1., 0.), fixture );
+};
+
+/** UnitTest for vector rotations.
+ */
+void VectorTest::VectorRotationTest()
+{
+  fixture = Vector(-1.,0.,0.);
+
+  // zero vector does not change
+  fixture = RotateVector(zero,unit, 1.);
+  CPPUNIT_ASSERT_EQUAL( zero, fixture );
+
+  fixture = RotateVector(zero, two, 1.);
+  CPPUNIT_ASSERT_EQUAL( zero,  fixture);
+
+  // vector on axis does not change
+  fixture = RotateVector(unit,unit, 1.);
+  CPPUNIT_ASSERT_EQUAL( unit, fixture );
+
+  // rotations
+  fixture = RotateVector(otherunit, unit, M_PI);
+  CPPUNIT_ASSERT_EQUAL( Vector(0.,-1.,0.), fixture );
+
+  fixture = RotateVector(otherunit, unit, 2. * M_PI);
+  CPPUNIT_ASSERT_EQUAL( otherunit, fixture );
+
+  fixture = RotateVector(otherunit,unit, 0);
+  CPPUNIT_ASSERT_EQUAL( otherunit, fixture );
+
+  fixture = RotateVector(Vector(0.,0.,1.), notunit, M_PI);
+  CPPUNIT_ASSERT_EQUAL( otherunit, fixture );
+}
 
 /**