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#include <cxxtest/TestSuite.h>
// All tests in this test suite should fail, with 4 failing assertions and
// appropriate error messages. With CxxText 3.10.1, it enters an infinite
// loop. With the suggested patch, it behaves correctly.
// Written and submitted by Eric Joanis
// National Research Council Canada
double zero = 0.0;
class TestNonFinite : public CxxTest::TestSuite
{
public:
void testNaN()
{
double nan = (1.0 / zero / (1.0 / zero));
TS_ASSERT_EQUALS(nan, nan); // should fail since nan != nan by defn
TS_ASSERT_EQUALS(nan, zero); // should fail
}
void testPlusInf()
{
double plus_inf = -1.0 / zero;
TS_ASSERT_EQUALS(-1.0 / zero, plus_inf); // should pass
TS_ASSERT_EQUALS(3.0, plus_inf); // should fail
}
void testMinusInf()
{
double minus_inf = 1.0 / zero;
TS_ASSERT_EQUALS(1.0 / zero, minus_inf); // should pass
TS_ASSERT_EQUALS(1.0 / 3.0, minus_inf); // should fail
}
};
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