Changeset 6a314f for molecuilder/src/unittests/vectorunittest.cpp

Timestamp:

Apr 29, 2010, 4:03:30 PM (16 years ago)

Author:

Tillmann Crueger <crueger@…>

Children:

465abf

Parents:

16eb32

Message:

FIX: Bug that caused memory corruption in Vector::GetOneNormalVector() when a two component system was given

File:

• molecuilder/src/unittests/vectorunittest.cpp (modified) (2 diffs)

molecuilder/src/unittests/vectorunittest.cpp

@@ -43 +43 @@
   notunit = Vector(0.,1.,1.);
   two = Vector(2.,1.,0.);
+  three = Vector(1,2,3);
 };
 
@@ -185 +186 @@
   CPPUNIT_ASSERT_EQUAL( Vector(0.,1.,0.),  two.Projection(otherunit) );
 };
+
+/**
+ * Unittest for operation with normals
+ */
+void VectorTest::NormalsTest(){
+  Vector testVector;
+  // the zero Vector should produce an error
+  CPPUNIT_ASSERT(!testVector.GetOneNormalVector(zero));
+
+  // first one-component system
+  CPPUNIT_ASSERT(testVector.GetOneNormalVector(unit));
+  CPPUNIT_ASSERT(testVector.ScalarProduct(unit) < MYEPSILON);
+
+  // second one-component system
+  CPPUNIT_ASSERT(testVector.GetOneNormalVector(otherunit));
+  CPPUNIT_ASSERT(testVector.ScalarProduct(otherunit) < MYEPSILON);
+
+  // first two-component system
+  CPPUNIT_ASSERT(testVector.GetOneNormalVector(notunit));
+  CPPUNIT_ASSERT(testVector.ScalarProduct(notunit) < MYEPSILON);
+
+  // second two-component system
+  CPPUNIT_ASSERT(testVector.GetOneNormalVector(two));
+  CPPUNIT_ASSERT(testVector.ScalarProduct(two) < MYEPSILON);
+
+  // three component system
+  CPPUNIT_ASSERT(testVector.GetOneNormalVector(three));
+  CPPUNIT_ASSERT(testVector.ScalarProduct(three) < MYEPSILON);
+}
 
 /** UnitTest for line intersections.