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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkSetGet.h"
#include "vtkVector.h"
//------------------------------------------------------------------------------
int TestVectorOperators(int, char*[])
{
vtkVector3i vec3i(0, 6, 9);
// Store up any errors, return non-zero if something fails.
int retVal = 0;
// Test out vtkVector3i and ensure the ostream operator is working.
cout << "vec3i -> " << vec3i << endl;
// Test the equality operator.
vtkVector3i vec3ia(0, 6, 9);
vtkVector3i vec3ib(0, 6, 8);
vtkVector<int, 3> vector3f(vec3i.GetData());
vector3f[0] = vector3f[2] = 6;
if (!(vec3i == vec3ia))
{
cerr << "vec3i == vec3ia failed (are equal, but reported not)." << endl
<< "vec3i = " << vec3i << ", vec3ia = " << vec3ia << endl;
++retVal;
}
if (vec3ia == vec3ib)
{
cerr << "vec3ia == vec3ib failed (are not equal, but reported equal)." << endl
<< "vec3i = " << vec3i << ", vec3ia = " << vec3ia << endl;
++retVal;
}
if (vector3f == vec3i)
{
cerr << "vector3f == vec3ib failed (are not equal, but reported equal)." << endl
<< "vec3i = " << vector3f << ", vec3ia = " << vec3ia << endl;
++retVal;
}
// Test the inequality operator.
if (vec3i != vec3ia)
{
cerr << "vec3i != vec3ia (reported as not equal, but are equal)." << endl
<< "vec3i = " << vec3i << ", vec3ia = " << vec3ia << endl;
++retVal;
}
// Does the + operator work as expected???
vtkVector3i result = vec3ia + vec3ib;
if (result != vtkVector3i(0, 12, 17))
{
cerr << "Vector addition operator failed." << endl;
cerr << vec3ia << " + " << vec3ib << " = " << result << endl;
++retVal;
}
// Test the - operator.
result = vec3ia - vec3ib;
if (result != vtkVector3i(0, 0, 1))
{
cerr << "Vector subtraction operator failed." << endl;
cerr << vec3ia << " - " << vec3ib << " = " << result << endl;
++retVal;
}
// Test the * operator.
result = vec3ia * vec3ib;
if (result != vtkVector3i(0, 36, 72))
{
cerr << "Vector multiplication operator failed." << endl;
cerr << vec3ia << " * " << vec3ib << " = " << result << endl;
++retVal;
}
// Test the / operator.
vec3i.SetX(1);
result = vec3ia / vec3i;
if (result != vtkVector3i(0, 1, 1))
{
cerr << "Vector division operator failed." << endl;
cerr << vec3ia << " / " << vec3i << " = " << result << endl;
++retVal;
}
// Test the * operator with a scalar.
result = vec3ia * 2;
if (result != vtkVector3i(0, 12, 18))
{
cerr << "Vector multiplication by scalar operator failed." << endl;
cerr << vec3ia << " * 2 = " << result << endl;
++retVal;
}
result = 2 * vec3ia;
if (result != vtkVector3i(0, 12, 18))
{
cerr << "Vector multiplication by scalar operator failed." << endl;
cerr << "2 * " << vec3ia << " = " << result << endl;
++retVal;
}
// Test the += operator
result = vec3ia;
result += vec3ib;
if (result != vtkVector3i(0, 12, 17))
{
cerr << "Vector += operator failed." << endl;
cerr << vec3ia << " + " << vec3ib << " = " << result << endl;
++retVal;
}
// Test the -= operator
result = vec3ia;
result -= vec3ib;
if (result != vtkVector3i(0, 0, 1))
{
cerr << "Vector -= operator failed." << endl;
cerr << vec3ia << " - " << vec3ib << " = " << result << endl;
++retVal;
}
return retVal;
}
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