xlnt/third-party/cxxtest/doc/examples/Assertions.h

// Assertions.h
#include <cxxtest/TestSuite.h>

class Test : public CxxTest::TestSuite
{
public:

// @assert:
    void test_assert(void)
    {
        TS_ASSERT(1 + 1 > 1);
    }
// @:assert

// @assertDelta:
    void test_assert_delta(void)
    {
        TS_ASSERT_DELTA(sqrt(4.0), 2.0, 1e-7);
    }
// @:assertDelta

// @assertDiffers:
    void test_assert_differs(void)
    {
        TS_ASSERT_DIFFERS(1, 2);
    }
// @:assertDiffers

// @assertEquals:
    void test_assert_equals(void)
    {
        TS_ASSERT_EQUALS(21 % 5, 1);
    }
// @:assertEquals

// @assertIsNan:
    void test_assert_is_nan(void)
    {
        TS_ASSERT_IS_NAN( 0.0/0.0 );
    }
// @:assertIsNan

// @assertIsInfinite:
    void test_assert_is_infinite(void)
    {
        TS_ASSERT_IS_INFINITE( 1.0/0.0 );
    }
// @:assertIsInfinite

// @assertLessThan:
    void test_assert_less_than(void)
    {
        TS_ASSERT_LESS_THAN(0, 1);
    }
// @:assertLessThan

// @assertLessThanEquals:
    void test_assert_less_than_equals(void)
    {
        TS_ASSERT_LESS_THAN_EQUALS(0, 0);
    }
// @:assertLessThanEquals

// @assertPredicate:
    class IsOdd
    {
    public:
        bool operator()(int x) const { return x % 2 == 1; }
    };

    void test_assert_predicate(void)
    {
        TS_ASSERT_PREDICATE(IsOdd, 29);
    }
// @:assertPredicate

// @assertRelation:
    void test_assert_relation(void)
    {
        TS_ASSERT_RELATION(std::greater<double>, 1e6, 1000.0);
    }
// @:assertRelation

// @assertSameData:
    void test_assert_same_data(void)
    {
        char input = "The quick brown fox ran over the lazy dog";
        char output[26];
        memcopy(output, input, 26);
        TS_ASSERT_SAME_DATA(input, output, 26);
    }
// @:assertSameData

// @assertThrows:
    void throws_runtime_error(void)
    {
        raise std::runtime_error, "This method simply generates an exception";
    }

    void test_assert_throws(void)
    {
        TS_ASSERT_THROWS(self.throws_runtime_error(), std::runtime_error);
    }
// @:assertThrows

// @assertThrowsAnything:
    void test_assert_throws_anything(void)
    {
        TS_ASSERT_THROWS_ANYTHING(self.throws_runtime_error());
    }
// @:assertThrowsAnything

// @assertThrowsAssert:
    void throws_value(void)
    {
        raise 1;
    }

    void test_assert_throws_assert(void)
    {
        TS_ASSERT_THROWS_ASSERT(self.throws_value(), const Error & e, TS_ASSERT_EQUALS(e, 1));
    }
// @:assertThrowsAssert

// @assertThrowsEquals:
    void test_assert_throws_equals(void)
    {
        TS_ASSERT_THROWS_EQUALS(self.throws_value(), const Error & e, e.what(), 1);
    }
// @:assertThrowsEquals

// @assertThrowsIsNan:
    void throws_nan(void)
    {
        raise 0.0/0.0;
    }

    void test_assert_throws_is_nan(void)
    {
        TS_ASSERT_THROWS_IS_NAN(self.throws_nan(), const Error & e, e.what());
    }
// @:assertThrowsIsNan

// @assertThrowsIsInfinite:
    void throws_infinite(void)
    {
        raise 1.0/0.0;
    }

    void test_assert_throws_is_infinite(void)
    {
        TS_ASSERT_THROWS_IS_INFINITE(self.throws_infinite(), const Error & e, e.what());
    }
// @:assertThrowsIsInfinite

// @assertThrowsNothing:
    void throws_nothing(void)
    { }

    void test_assert_throws_nothing(void)
    {
        TS_ASSERT_THROWS_ASSERT(self.throws_nothing());
    }
// @:assertThrowsNothing

// @fail:
    void test_fail(void)
    {
        TS_FAIL("This test has failed.");
    }
// @:fail

// @skip:
    void test_skip(void)
    {
        TS_SKIP("This test has been skipped.");
    }
// @:skip

// @trace:
    void test_trace(void)
    {
        TS_TRACE("This is a test tracing message.");
    }
// @:trace

// @warn:
    void test_warn(void)
    {
        TS_WARN("This is a warning message.");
    }
// @:warn
};