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#include "math/VectorTestCase.hpp" |
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// Registers the fixture into the 'registry' |
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CPPUNIT_TEST_SUITE_REGISTRATION( VectorTestCase ); |
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|
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void VectorTestCase::setUp(){ |
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zero[0] = 0.0; |
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zero[1] = 0.0; |
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zero[2] = 0.0; |
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zero[3] = 0.0; |
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|
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one[0] = 1.0; |
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one[1] = 1.0; |
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one[2] = 1.0; |
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one[3] = 1.0; |
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|
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two[0] = 2.0; |
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two[1] = 2.0; |
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two[2] = 2.0; |
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two[3] = 2.0; |
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|
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|
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v1[0] = 3.0; |
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v1[1] = 0.0; |
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v1[2] = 2.0; |
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v1[3] = 1.0; |
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|
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v2[0] = -3.0; |
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v2[1] = 0.0; |
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v2[2] = -2.0; |
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v2[3] = -1.0; |
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|
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v3[0] = 4.0; |
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v3[1] = 1.0; |
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v3[2] = 3.0; |
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v3[3] = 2.0; |
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|
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s1 = 1.0; |
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s2 = 2.0; |
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|
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} |
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void VectorTestCase::testConstructors(){ |
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Vec4 a0; |
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Vec4 a1(1); |
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Vec4 a2(2); |
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|
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CPPUNIT_ASSERT( a0 == zero); |
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CPPUNIT_ASSERT( a1 == one); |
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CPPUNIT_ASSERT( a2 == two); |
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|
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CPPUNIT_ASSERT( a1 != two); |
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|
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//test copy constructor |
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Vec4 b1(v1); |
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CPPUNIT_ASSERT( b1 == v1); |
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|
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//test operator = |
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b1 = v2; |
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CPPUNIT_ASSERT( b1 == v2); |
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|
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//test constructor from an array |
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double tempArray[] = {1.0, 2.0, 5.0, 8.0}; |
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Vec4 tempV; |
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tempV[0] = 1.0; |
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tempV[1] = 2.0; |
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tempV[2] = 5.0; |
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tempV[3] = 8.0; |
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|
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Vec4 b2(tempV); |
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CPPUNIT_ASSERT( b2 == tempArray); |
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|
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} |
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|
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void VectorTestCase::testArithmetic(){ |
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//test negate |
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Vec4 a0 = v2; |
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a0.negate(); |
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CPPUNIT_ASSERT (a0 == v1); |
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|
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Vec4 a1; |
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a1.negate(v2); |
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CPPUNIT_ASSERT(a1 == v1); |
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|
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//test add |
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Vec4 a2; |
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a2 = v1; |
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a2.add(v2); |
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CPPUNIT_ASSERT( a2 == zero); |
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|
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Vec4 a3; |
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a3.add(v2, v3); |
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CPPUNIT_ASSERT( a3 == one); |
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|
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//test sub |
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Vec4 a4; |
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a4 = two; |
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a4.sub(one); |
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CPPUNIT_ASSERT( a4 == one); |
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|
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Vec4 a5; |
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a5.sub(two, one); |
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CPPUNIT_ASSERT( a5 == one); |
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|
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//test mul |
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Vec4 a6; |
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a6 = one; |
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a6.mul(2.0); |
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CPPUNIT_ASSERT( a6 == two); |
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|
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Vec4 a7; |
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a7.mul(one, 2.0); |
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CPPUNIT_ASSERT( a7 == two); |
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Vec4 a8; |
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a7.mul(zero, 2.0); |
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CPPUNIT_ASSERT( a7 == zero); |
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|
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//test div |
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Vec4 a9; |
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a9 = two; |
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a9.div(2.0); |
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CPPUNIT_ASSERT( a9 == one); |
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|
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Vec4 a10; |
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a10.div(two, 2.0); |
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CPPUNIT_ASSERT( a10 == one); |
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Vec4 a11; |
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a11.mul(zero, 2.0); |
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CPPUNIT_ASSERT( a11 == zero); |
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|
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} |
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void VectorTestCase::testOperators(){ |
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//test unary minus |
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Vec4 a0 = v2; |
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a0 = - a0; |
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CPPUNIT_ASSERT (a0 == v1); |
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|
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//test add |
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Vec4 a1; |
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a1 = v1; |
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a1 += v2; |
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CPPUNIT_ASSERT( a1 == zero); |
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|
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Vec4 a2; |
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a2 = v2 + v3; |
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CPPUNIT_ASSERT( a2 == one); |
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|
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//test sub |
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Vec4 a3; |
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a3 = two; |
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a3 -= one; |
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CPPUNIT_ASSERT( a3 == one); |
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|
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Vec4 a4; |
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a4 = two - one; |
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CPPUNIT_ASSERT( a4 == one); |
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Vec4 a5; |
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a5.sub(two, one); |
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CPPUNIT_ASSERT( a5 == one); |
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|
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//test mul |
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Vec4 a6; |
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a6 = one; |
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a6 *= 2.0; |
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CPPUNIT_ASSERT( a6 == two); |
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|
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Vec4 a7; |
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a7 = one * 2.0; |
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CPPUNIT_ASSERT( a7 == two); |
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a7 = 2.0 * one; |
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CPPUNIT_ASSERT( a7 == two); |
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|
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//test div |
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Vec4 a8; |
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a8 = two; |
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a8 /= 2.0; |
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CPPUNIT_ASSERT( a8 == one); |
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a8 = two /2.0; |
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CPPUNIT_ASSERT( a8 == one); |
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} |
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void VectorTestCase::testAccessEntries(){ |
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//test [] operator |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(zero[0], 0.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(one[0] , 1.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(v3[0] , 4.0, oopse::epsilon); |
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//test () operator |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(v3(0) , 4.0, oopse::epsilon); |
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Vec4 a1; |
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double *pa1 = a1.getArrayPointer(); |
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pa1[0] = 4.0; |
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pa1[1] = 1.0; |
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pa1[2] = 3.0; |
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pa1[3] = 2.0; |
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CPPUNIT_ASSERT(a1 == v3); |
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} |
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void VectorTestCase::testOtherMemberFunctions(){ |
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//test length() |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(zero.length(), 0.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(one.length(), 2.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(v2.length(), sqrt(14.0), oopse::epsilon); |
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|
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//test lengthSquare() |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(zero.lengthSquare(), 0.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(one.lengthSquare(), 4.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(v2.lengthSquare(), 14.0, oopse::epsilon); |
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//test normalize() |
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Vec4 a1 = one; |
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Vec4 a2 = two; |
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a1.normalize(); |
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a2.normalize(); |
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CPPUNIT_ASSERT(a1 == a2); |
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|
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//test isNormalized(); |
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CPPUNIT_ASSERT(a1.isNormalized()); |
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CPPUNIT_ASSERT(!one.isNormalized()); |
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|
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//test getArray |
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double tempV[4]; |
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v3.getArray(tempV); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(tempV[0], v3[0], oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(tempV[1], v3[1], oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(tempV[2], v3[2], oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(tempV[3], v3[3], oopse::epsilon); |
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} |
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void VectorTestCase::testOtherTemplateFunctions(){ |
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//test dot |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(dot(one, two), 8.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(dot(v1, v3), 20.0, oopse::epsilon); |
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|
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//test distance |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(distance(one, two), 2.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(distance(v1, v2), sqrt(56.0), oopse::epsilon); |
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|
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//test distanceSquare |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(distanceSquare(one, two), 4.0, oopse::epsilon); |
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CPPUNIT_ASSERT_DOUBLES_EQUAL(distanceSquare(v1, v2), 56, oopse::epsilon); |
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|
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} |
