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Orthodox.h
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105 lines (82 loc) · 2.15 KB
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//
// Orthodox.h
//
// $Id: //poco/1.4/CppUnit/include/CppUnit/Orthodox.h#1 $
//
#ifndef CppUnit_Orthodox_INCLUDED
#define CppUnit_Orthodox_INCLUDED
#include "CppUnit/CppUnit.h"
#include "CppUnit/TestCase.h"
namespace CppUnit {
/*
* Orthodox performs a simple set of tests on an arbitary
* class to make sure that it supports at least the
* following operations:
*
* default construction - constructor
* equality/inequality - operator== && operator!=
* assignment - operator=
* negation - operator!
* safe passage - copy construction
*
* If operations for each of these are not declared
* the template will not instantiate. If it does
* instantiate, tests are performed to make sure
* that the operations have correct semantics.
*
* Adding an orthodox test to a suite is very
* easy:
*
* public: Test *suite () {
* TestSuite *suiteOfTests = new TestSuite;
* suiteOfTests->addTest (new ComplexNumberTest ("testAdd");
* suiteOfTests->addTest (new TestCaller<Orthodox<Complex> > ());
* return suiteOfTests;
* }
*
* Templated test cases be very useful when you are want to
* make sure that a group of classes have the same form.
*
* see TestSuite
*/
template <class ClassUnderTest>
class Orthodox: public TestCase
{
public:
Orthodox(): TestCase("Orthodox")
{
}
protected:
ClassUnderTest call(ClassUnderTest object);
void runTest ();
};
// Run an orthodoxy test
template <class ClassUnderTest>
void Orthodox<ClassUnderTest>::runTest()
{
// make sure we have a default constructor
ClassUnderTest a, b, c;
// make sure we have an equality operator
assert (a == b);
// check the inverse
b.operator= (a.operator! ());
assert (a != b);
// double inversion
b = !!a;
assert (a == b);
// invert again
b = !a;
// check calls
c = a;
assert (c == call (a));
c = b;
assert (c == call (b));
}
// Exercise a call
template <class ClassUnderTest>
ClassUnderTest Orthodox<ClassUnderTest>::call(ClassUnderTest object)
{
return object;
}
} // namespace CppUnit
#endif // CppUnit_Orthodox_INCLUDED